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54 Commits

Author SHA1 Message Date
Markus Fröschle
69c982c795 moved FPGA config GPIO initialization into init_fpga.c to enable external JTAG FPGA configuration 2014-06-20 12:02:11 +00:00
David Gálvez
4d40bd775a make PCI memory non-cacheable 2014-05-25 19:13:45 +00:00
David Gálvez
d98727a182 add missing parameter initialization 2014-05-25 17:00:19 +00:00
Markus Fröschle
927833d601 eliminated wrong types warning when calling memcpy() 2014-05-12 07:40:55 +00:00
Markus Fröschle
65a7986e34 reformatted 2014-05-11 20:38:33 +00:00
Markus Fröschle
ccec42e55c modified dbg() in several files 2014-05-11 20:31:57 +00:00
Markus Fröschle
dc646c75ad reformatted assembler code 2014-05-11 14:08:27 +00:00
Markus Fröschle
b0fb7b8df3 fixed wrong MMU mapping of emulated Falcon video memory (phys and virt
where the wrong way round)
2014-05-11 06:57:09 +00:00
Markus Fröschle
fb9c4aaa1d modified project to support Qt Creator inferior debugging through BDM. 2014-05-11 06:40:48 +00:00
Markus Fröschle
2f311aedbf modified dbg() macro
corrected irq6 handler
reimplemented MFP interrupt LED blinker in C
2014-05-10 13:21:11 +00:00
Markus Fröschle
5a836c6ca7 reformatted assembly 2014-04-22 10:47:36 +00:00
Markus Fröschle
e94becff75 added to QtCreator 2014-04-22 10:44:56 +00:00
Markus Fröschle
dee448549c translated copy loop to C 2014-02-04 20:06:29 +00:00
Markus Fröschle
fcd3b885ce started "translating" MMU update code for video pages 2014-02-04 07:17:51 +00:00
Markus Fröschle
91ae86a487 completed page loop 2014-02-03 21:42:25 +00:00
Markus Fröschle
25f66ae7f9 more conversion to C 2014-02-02 22:27:10 +00:00
Markus Fröschle
fe5b7d466d translated more of the assembler code into C 2014-02-02 21:35:46 +00:00
Markus Fröschle
ff3514c2d0 added missing include file to SVN 2014-02-02 10:16:16 +00:00
Markus Fröschle
90371bb3c9 optimized for size - reduces codesize by half 2014-02-01 23:54:32 +00:00
Markus Fröschle
5a557524b0 moved PSC3 interrupt handler to C code 2014-02-01 23:37:30 +00:00
Markus Fröschle
1fb6c756ae modified to throw errors if an unknown machine type is detected 2014-01-28 15:49:05 +00:00
Markus Fröschle
8a1da417e7 modified ACR settings 2014-01-28 14:11:08 +00:00
Markus Fröschle
703352fc9d added m54455 (Freescale EVB) platform 2014-01-21 14:52:46 +00:00
Markus Fröschle
6a6e7cf84e fixed: compare virtual address instead of physical in lookup_mapping() 2014-01-21 12:43:32 +00:00
Markus Fröschle
430f03a8ed fixed bug in determining if access error hit in TLB (checked bit 0 instead of 1). 2014-01-20 14:23:55 +00:00
Markus Fröschle
d3fb521ad1 modified MMU mapping table to use symbolic constants from include file 2014-01-19 19:26:52 +00:00
Markus Fröschle
bf8cea26ab simplified MMU code. Still hangs somewhere in EmuTOS 2014-01-19 18:27:05 +00:00
Markus Fröschle
0f5942436a removed locked MMU pages 2014-01-18 20:59:42 +00:00
Markus Fröschle
8544307830 removed inlining in wait.c, added (simple) map-based MMU handling 2014-01-18 14:03:25 +00:00
Markus Fröschle
386a921f84 modified to map memory dynamically based on a static memory map 2014-01-18 08:04:44 +00:00
Markus Fröschle
58418f2436 moved ACR register handling macros to include file 2014-01-17 06:45:33 +00:00
Markus Fröschle
8025af85dd modified access_error to do all MMU mappings dynamically 2014-01-16 20:42:04 +00:00
Markus Fröschle
1c316ec11b extended mmu_map_page() by size and flags args 2014-01-16 16:29:29 +00:00
Markus Fröschle
3779d1cb2e modified ACRs to cover complete SDRAM 2014-01-16 16:18:43 +00:00
Markus Fröschle
c9c76a4757 test using ACR0 & ACR2 to provide supervisor stack access 2014-01-15 16:03:54 +00:00
Markus Fröschle
afa9490c1e fixed typo in strcmp() 2014-01-15 07:17:21 +00:00
Markus Fröschle
26cadc699a fixed formatting 2014-01-14 21:39:05 +00:00
Markus Fröschle
9da82d046b modified comments 2014-01-14 21:15:56 +00:00
Markus Fröschle
4112590363 moved page alignment responsibility to caller 2014-01-14 20:28:13 +00:00
Markus Fröschle
fdf945c702 fixed missing parameter in debug print 2014-01-14 18:18:20 +00:00
Markus Fröschle
9b89377caf removed type field from isr_register_handler() and friends 2014-01-14 07:48:38 +00:00
Markus Fröschle
3966bfd6ec fixed comments 2014-01-13 22:05:20 +00:00
Markus Fröschle
bdf5cd6c0d added vim modeline to asm sources. Needs "set modeline:set modeline=5" in .vimrc 2014-01-13 21:34:24 +00:00
Markus Fröschle
ba1a951952 cleaned up debug printouts 2014-01-13 21:30:39 +00:00
Markus Fröschle
fcb5204fc8 renamed mmutr_miss() to mmu_map_page() (that's what its doing) 2014-01-13 21:26:42 +00:00
Markus Fröschle
63b19853a9 corrected FASTRAM_END comparision 2014-01-13 21:20:24 +00:00
Markus Fröschle
be94d72097 refactored assembler routines from exceptions.S into mmu.c (access exception handler). Seems to be better, but still hang. 2014-01-13 19:39:42 +00:00
Markus Fröschle
9b099d935c implemented safe stack for access exception handler 2014-01-13 15:13:29 +00:00
Markus Fröschle
a97469a53d switch to a safe stack in access_exception.
Assembles, but not tested yet.
2014-01-13 07:19:09 +00:00
Markus Fröschle
3a1c07a2e8 added better matching descriptive text to debug messages 2014-01-08 13:57:35 +00:00
Markus Fröschle
4f29f6af80 FEC interrupts to level 1 2014-01-08 09:59:44 +00:00
Markus Fröschle
8d53a1feb9 fixed - carelessly choosen - interrupt level for FEC interrupts 2014-01-08 09:01:43 +00:00
Markus Fröschle
99e5352807 changed MAC address to original address dbug assigns 2014-01-07 10:50:22 +00:00
Markus Fröschle
785ca43b11 cleaned up 2014-01-07 05:57:17 +00:00
21 changed files with 1071 additions and 3846 deletions

1689
Doxyfile

File diff suppressed because it is too large Load Diff

View File

@@ -124,7 +124,6 @@ CSRCS= \
radeon_accel.c \
radeon_cursor.c \
radeon_monitor.c \
fnt_st_8x16.c \
\
x86decode.c \
x86sys.c \
@@ -144,8 +143,7 @@ ASRCS= \
startcf.S \
printf_helper.S \
exceptions.S \
xhdi_vec.S \
pci_wrappers.S
xhdi_vec.S
SRCS=$(ASRCS) $(CSRCS)
COBJS=$(patsubst %.c,%.o,$(CSRCS))

View File

@@ -23,7 +23,7 @@ MEMORY
*/
bas_ram (WX) : ORIGIN = SDRAM_START + SDRAM_SIZE - 0x00200000, LENGTH = 0x00100000
/*
* driver_ram is an uncached, reserved memory area for drivers (e.g. USB) that need this type of memory
* driver_ram is an uncached, reserved memory area for drivers (e.g. USB) that need this type of memory
*/
driver_ram (WX) : ORIGIN = SDRAM_START + SDRAM_SIZE - 0x00100000, LENGTH = 0x00100000
}
@@ -44,11 +44,10 @@ SECTIONS
OBJDIR/exceptions.o(.text)
OBJDIR/driver_vec.o(.text)
OBJDIR/interrupts.o(.text)
OBJDIR/mmu.o(.text)
OBJDIR/mmu.o(.text)
OBJDIR/BaS.o(.text)
OBJDIR/pci.o(.text)
OBJDIR/pci_wrappers.o(.text)
OBJDIR/usb.o(.text)
OBJDIR/driver_mem.o(.text)
OBJDIR/usb_mouse.o(.text)
@@ -109,7 +108,7 @@ SECTIONS
OBJDIR/xhdi_sd.o(.text)
OBJDIR/xhdi_interface.o(.text)
OBJDIR/xhdi_vec.o(.text)
#ifdef COMPILE_RAM
/*
* if we compile to RAM anyway, there is no need to copy anything
@@ -119,7 +118,7 @@ SECTIONS
*(.data)
__BAS_DATA_END = .;
__BAS_BSS_START = .;
*(.bss)
*(.bss)
__BAS_BSS_END = .;
#endif /* COMPILE_RAM */
@@ -141,7 +140,7 @@ SECTIONS
*(.data)
__BAS_DATA_END = .;
__BAS_BSS_START = .;
*(.bss)
*(.bss)
__BAS_BSS_END = .;
. = ALIGN(16);
@@ -154,16 +153,16 @@ SECTIONS
_driver_mem_buffer = .;
//. = . + DRIVER_MEM_BUFFER_SIZE;
} > driver_ram
/*
* Global memory map
*/
/* SDRAM Initialization */
___SDRAM = SDRAM_START;
___SDRAM_SIZE = SDRAM_SIZE;
___SDRAM = SDRAM_START;
___SDRAM_SIZE = SDRAM_SIZE;
_SDRAM_VECTOR_TABLE = ___SDRAM;
/* ST-RAM */
__STRAM = ___SDRAM;
__STRAM_END = __TOS;
@@ -174,7 +173,7 @@ SECTIONS
/* FastRAM */
__FASTRAM = 0x10000000;
__TARGET_ADDRESS = TARGET_ADDRESS;
#if TARGET_ADDRESS == BOOTFLASH_BASE_ADDRESS
__FASTRAM_END = __BAS_IN_RAM;
#else
@@ -184,7 +183,7 @@ SECTIONS
/* Init CS0 (BootFLASH @ E000_0000 - E07F_FFFF 8Mbytes) */
___BOOT_FLASH = BOOTFLASH_BASE_ADDRESS;
___BOOT_FLASH_SIZE = BOOTFLASH_SIZE;
___BOOT_FLASH_SIZE = BOOTFLASH_SIZE;
#if TARGET_ADDRESS == BOOTFLASH_BASE_ADDRESS
/* BaS */
@@ -204,40 +203,35 @@ SECTIONS
__EMUTOS_SIZE = 0x00100000;
/* where FPGA data lives in flash */
__FPGA_CONFIG = 0xe0700000;
__FPGA_CONFIG_SIZE = 0x100000;
__FPGA_FLASH_DATA = 0xe0700000;
__FPGA_FLASH_DATA_SIZE = 0x100000;
/* VIDEO RAM BASIS */
__VRAM = 0x60000000;
/* Memory mapped registers */
__MBAR = 0xFF000000;
__MBAR = 0xFF000000;
/* 32KB on-chip System SRAM */
__SYS_SRAM = __MBAR + 0x10000;
__SYS_SRAM = __MBAR + 0x10000;
__SYS_SRAM_SIZE = 0x00008000;
/* MMU memory mapped registers */
__MMUBAR = 0xFF040000;
__MMUBAR = 0xFF040000;
/*
* 4KB on-chip Core SRAM0: -> exception table
* 4KB on-chip Core SRAM0: -> exception table
*/
__RAMBAR0 = 0xFF100000;
__RAMBAR0_SIZE = 0x00001000;
__RAMBAR0 = 0xFF100000;
__RAMBAR0_SIZE = 0x00001000;
/* 4KB on-chip Core SRAM1 */
__RAMBAR1 = 0xFF101000;
__RAMBAR1_SIZE = 0x00001000;
__SUP_SP = __RAMBAR1 + __RAMBAR1_SIZE - 4;
__RAMBAR1 = 0xFF101000;
__RAMBAR1_SIZE = 0x00001000;
__SUP_SP = __RAMBAR0 + __RAMBAR0_SIZE - 4;
/*
* this flag (if 1) indicates that FPGA configuration has been loaded through JTAG
* and shouldn't be overwritten on boot
*/
__FPGA_JTAG_LOADED = __RAMBAR1;
/* system variables */
/* RAMBAR0 0 to 0x7FF -> exception vectors */
_rt_mod = __RAMBAR0 + 0x800;
_rt_ssp = __RAMBAR0 + 0x804;

View File

@@ -39,7 +39,7 @@
#error "unknown machine!"
#endif /* MACHINE_FIREBEE */
// #define DBG_DMA
#define DBG_DMA
#ifdef DBG_DMA
#define dbg(format, arg...) do { xprintf("DEBUG: " format, ##arg); } while (0)
#else
@@ -58,13 +58,13 @@ struct dma_channel
static char used_reqs[32] =
{
DMA_ALWAYS, DMA_DSPI_RXFIFO, DMA_DSPI_TXFIFO, DMA_DREQ0,
DMA_PSC0_RX, DMA_PSC0_TX, DMA_USB_EP0, DMA_USB_EP1,
DMA_USB_EP2, DMA_USB_EP3, DMA_PCI_TX, DMA_PCI_RX,
DMA_PSC1_RX, DMA_PSC1_TX, DMA_I2C_RX, DMA_I2C_TX,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0
DMA_PSC0_RX, DMA_PSC0_TX, DMA_USB_EP0, DMA_USB_EP1,
DMA_USB_EP2, DMA_USB_EP3, DMA_PCI_TX, DMA_PCI_RX,
DMA_PSC1_RX, DMA_PSC1_TX, DMA_I2C_RX, DMA_I2C_TX,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0
};
static struct dma_channel dma_channel[NCHANNELS] =
@@ -225,7 +225,7 @@ int dma_set_initiator(int initiator)
else /* No empty slots */
{
dbg("%s: no free slot\r\n", __FUNCTION__);
return 1;
}
break;
@@ -530,7 +530,7 @@ int dma_get_channel(int requestor)
}
/*
* Remove the channel being initiated by the given requestor from
* Remove the channel being initiated by the given requestor from
* the active list
*
* Parameters:
@@ -551,8 +551,8 @@ void dma_free_channel(int requestor)
}
}
/*
* This is the catch-all interrupt handler for the mult-channel DMA
/*
* This is the catch-all interrupt handler for the mult-channel DMA
*/
int dma_interrupt_handler(void *arg1, void *arg2)
{
@@ -560,8 +560,8 @@ int dma_interrupt_handler(void *arg1, void *arg2)
(void) set_ipl(7);
/*
* Determine which interrupt(s) triggered by AND'ing the
/*
* Determine which interrupt(s) triggered by AND'ing the
* pending interrupts with those that aren't masked.
*/
interrupts = MCF_DMA_DIPR & ~MCF_DMA_DIMR;
@@ -598,9 +598,9 @@ void *dma_memcpy(void *dst, void *src, size_t n)
int ret;
#ifdef DBG_DMA
int32_t time;
int32_t start;
int32_t end;
int32_t time;
int32_t start;
int32_t end;
start = MCF_SLT0_SCNT;
#endif /* DBG_DMA */

View File

@@ -1,4 +1,4 @@
#!/usr/local/bin/bdmctrl -D2
#!/usr/local/bin/bdmctrl
#
# firebee board initialization for bdmctrl
#
@@ -21,32 +21,32 @@ write 0xFF000508 0x00001180 4
write 0xFF000504 0x007F0001 4
# SDRAM Initialization @ 0000_0000 - 1FFF_FFFF 512Mbytes
#write 0xFF000004 0x000002AA 4 # SDRAMDS configuration
#write 0xFF000020 0x0000001A 4 # SDRAM CS0 configuration (128Mbytes 0000_0000 - 07FF_FFFF)
#write 0xFF000024 0x0800001A 4 # SDRAM CS1 configuration (128Mbytes 0800_0000 - 0FFF_FFFF)
#write 0xFF000028 0x1000001A 4 # SDRAM CS2 configuration (128Mbytes 1000_0000 - 17FF_FFFF)
#write 0xFF00002C 0x1800001A 4 # SDRAM CS3 configuration (128Mbytes 1800_0000 - 1FFF_FFFF)
#write 0xFF000108 0x73622830 4 # SDCFG1
#write 0xFF00010C 0x46770000 4 # SDCFG2
write 0xFF000004 0x000002AA 4 # SDRAMDS configuration
write 0xFF000020 0x0000001A 4 # SDRAM CS0 configuration (128Mbytes 0000_0000 - 07FF_FFFF)
write 0xFF000024 0x0800001A 4 # SDRAM CS1 configuration (128Mbytes 0800_0000 - 0FFF_FFFF)
write 0xFF000028 0x1000001A 4 # SDRAM CS2 configuration (128Mbytes 1000_0000 - 17FF_FFFF)
write 0xFF00002C 0x1800001A 4 # SDRAM CS3 configuration (128Mbytes 1800_0000 - 1FFF_FFFF)
write 0xFF000108 0x73622830 4 # SDCFG1
write 0xFF00010C 0x46770000 4 # SDCFG2
#write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
#write 0xFF000100 0x40010000 4 # SDMR (write to LEMR)
#write 0xFF000100 0x048D0000 4 # SDMR (write to LMR)
#sleep 100
#write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
#write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
#write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
#write 0xFF000100 0x008D0000 4 # SDMR (write to LMR)
#write 0xFF000104 0x710D0F00 4 # SDCR (lock SDMR and enable refresh)
#sleep 10
write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
write 0xFF000100 0x40010000 4 # SDMR (write to LEMR)
write 0xFF000100 0x048D0000 4 # SDMR (write to LMR)
sleep 100
write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
write 0xFF000100 0x008D0000 4 # SDMR (write to LMR)
write 0xFF000104 0x710D0F00 4 # SDCR (lock SDMR and enable refresh)
sleep 10
# use system sdram as flashlib scratch area.
# TODO: plugin flashing seems to work o.k. now for smaller binaries, while it doesn't for larger ones (EmuTOS) yet.
# This seems to be related to large flash buffers and PC-relative adressing of the plugin
#flash-plugin 0x1000 0xf000 flash29-5475.plugin
flash-plugin 0x1000 0xf000 flash29.plugin
# notify flashlib that we have flash at address 0xE0000000, length 0x7FFFFF, plugin is flash29
flash 0xe0000000
flash 0xE0000000
# Erase flash from 0xE0000000 to 0xE00FFFFF (reserved space for BaS)
#
@@ -55,44 +55,17 @@ flash 0xe0000000
#
# contrary to documentation, it seems we need to erase-wait after each sector
erase 0xe0000000 0
erase-wait 0xe0000000
erase 0xe0000000 0x1000
erase-wait 0xe0000000
erase 0xe0000000 0x2000
erase-wait 0xe0000000
erase 0xe0000000 0x3000
erase-wait 0xe0000000
erase 0xe0000000 0x4000
erase-wait 0xe0000000
erase 0xe0000000 0x5000
erase-wait 0xe0000000
erase 0xe0000000 0x6000
erase-wait 0xe0000000
erase 0xe0000000 0x7000
erase-wait 0xe0000000
erase 0xe0000000 0x8000
erase-wait 0xe0000000
erase 0xe0000000 0x10000
erase-wait 0xe0000000
erase 0xe0000000 0x18000
erase-wait 0xe0000000
erase 0xe0000000 0x20000
erase-wait 0xe0000000
erase 0xe0000000 0x28000
erase-wait 0xe0000000
erase 0xe0000000 0x30000
erase-wait 0xe0000000
erase 0xe0000000 0x38000
erase-wait 0xe0000000
erase 0xe0000000 0x40000
erase-wait 0xe0000000
erase 0xe0000000 0x48000
erase-wait 0xe0000000
erase 0xe0000000 0x50000
erase-wait 0xe0000000
erase 0xe0000000 0x58000
erase-wait 0xe0000000
erase 0xE0000000 0
erase 0xE0000000 1
erase 0xE0000000 2
erase 0xE0000000 3
erase 0xE0000000 4
erase 0xE0000000 5
erase 0xE0000000 7
erase 0xE0000000 8
erase 0xE0000000 9
erase 0xE0000000 10
erase-wait 0xE0000000
load -v ../firebee/bas.elf
wait

View File

@@ -30,7 +30,6 @@
#include "dma.h"
#include "driver_vec.h"
#include "driver_mem.h"
#include "pci.h"
/*
* driver interface struct for the SD card BaS driver
@@ -70,58 +69,6 @@ static struct dma_driver_interface dma_interface =
extern const struct fb_info *info_fb;
/*
* driver interface struct for the PCI_BIOS BaS driver
*/
static struct pci_bios_interface pci_interface =
{
.subjar = 0,
.version = 0x00010000,
.find_pci_device = wrapper_find_pci_device,
.find_pci_classcode = wrapper_find_pci_classcode,
.read_config_byte = wrapper_read_config_byte,
.read_config_word = wrapper_read_config_word,
.read_config_longword = wrapper_read_config_longword,
.fast_read_config_byte = wrapper_fast_read_config_byte,
.fast_read_config_word = wrapper_fast_read_config_word,
.fast_read_config_longword = wrapper_fast_read_config_longword,
.write_config_byte = wrapper_write_config_byte,
.write_config_word = wrapper_write_config_word,
.write_config_longword = wrapper_write_config_longword,
.hook_interrupt = wrapper_hook_interrupt,
.unhook_interrupt = wrapper_unhook_interrupt,
.special_cycle = wrapper_special_cycle,
.get_routing = wrapper_get_routing,
.set_interrupt = wrapper_set_interrupt,
.get_resource = wrapper_get_resource,
.get_card_used = wrapper_get_card_used,
.set_card_used = wrapper_set_card_used,
.read_mem_byte = wrapper_read_mem_byte,
.read_mem_word = wrapper_read_mem_word,
.read_mem_longword = wrapper_read_mem_longword,
.fast_read_mem_byte = wrapper_fast_read_mem_byte,
.fast_read_mem_word = wrapper_fast_read_mem_word,
.fast_read_mem_longword = wrapper_fast_read_mem_longword,
.write_mem_byte = wrapper_write_mem_byte,
.write_mem_word = wrapper_write_mem_word,
.write_mem_longword = wrapper_write_mem_longword,
.read_io_byte = wrapper_read_io_byte,
.read_io_word = wrapper_read_io_word,
.read_io_longword = wrapper_read_io_longword,
.fast_read_io_byte = wrapper_fast_read_io_byte,
.fast_read_io_word = wrapper_fast_read_io_word,
.fast_read_io_longword = wrapper_fast_read_io_longword,
.write_io_byte = wrapper_write_io_byte,
.write_io_word = wrapper_write_io_word,
.write_io_longword = wrapper_write_io_longword,
.get_machine_id = wrapper_get_machine_id,
.get_pagesize = wrapper_get_pagesize,
.virt_to_bus = wrapper_virt_to_bus,
.bus_to_virt = wrapper_bus_to_virt,
.virt_to_phys = wrapper_virt_to_phys,
.phys_to_virt = wrapper_phys_to_virt,
};
/*
* driver interface struct for the BaS framebuffer video driver
*/
@@ -158,14 +105,7 @@ static struct generic_interface interfaces[] =
.revision = 1,
.interface.fb = &framebuffer_interface,
},
{
.type = PCI_DRIVER,
.name = "PCI",
.description = "BaS PCI_BIOS driver",
.version = 0,
.revision = 1,
.interface.pci = &pci_interface,
},
/* insert new drivers here */
{

View File

@@ -27,17 +27,15 @@
#include "xhdi_sd.h"
#include "MCD_dma.h"
#include "pci.h"
enum driver_type
{
// BLOCKDEV_DRIVER,
// CHARDEV_DRIVER,
END_OF_DRIVERS, /* marks end of driver list */
BLOCKDEV_DRIVER,
CHARDEV_DRIVER,
VIDEO_DRIVER,
XHDI_DRIVER,
MCD_DRIVER,
VIDEO_DRIVER,
PCI_DRIVER,
END_OF_DRIVERS, /* marks end of driver list */
};
struct generic_driver_interface
@@ -206,66 +204,12 @@ struct framebuffer_driver_interface
struct fb_info **framebuffer_info; /* pointer to an fb_info struct (defined in include/fb.h) */
};
struct pci_bios_interface {
uint32_t subjar;
uint32_t version;
/* Although we declare this functions as standard gcc functions (cdecl),
* they expect paramenters inside registers (fastcall) unsupported by gcc m68k.
* Caller will take care of parameters passing convention.
*/
int32_t (*find_pci_device) (uint32_t id, uint16_t index);
int32_t (*find_pci_classcode) (uint32_t class, uint16_t index);
int32_t (*read_config_byte) (int32_t handle, uint16_t reg, uint8_t *address);
int32_t (*read_config_word) (int32_t handle, uint16_t reg, uint16_t *address);
int32_t (*read_config_longword) (int32_t handle, uint16_t reg, uint32_t *address);
uint8_t (*fast_read_config_byte) (int32_t handle, uint16_t reg);
uint16_t (*fast_read_config_word) (int32_t handle, uint16_t reg);
uint32_t (*fast_read_config_longword) (int32_t handle, uint16_t reg);
int32_t (*write_config_byte) (int32_t handle, uint16_t reg, uint16_t val);
int32_t (*write_config_word) (int32_t handle, uint16_t reg, uint16_t val);
int32_t (*write_config_longword) (int32_t handle, uint16_t reg, uint32_t val);
int32_t (*hook_interrupt) (int32_t handle, uint32_t *routine, uint32_t *parameter);
int32_t (*unhook_interrupt) (int32_t handle);
int32_t (*special_cycle) (uint16_t bus, uint32_t data);
int32_t (*get_routing) (int32_t handle);
int32_t (*set_interrupt) (int32_t handle);
int32_t (*get_resource) (int32_t handle);
int32_t (*get_card_used) (int32_t handle, uint32_t *address);
int32_t (*set_card_used) (int32_t handle, uint32_t *callback);
int32_t (*read_mem_byte) (int32_t handle, uint32_t offset, uint8_t *address);
int32_t (*read_mem_word) (int32_t handle, uint32_t offset, uint16_t *address);
int32_t (*read_mem_longword) (int32_t handle, uint32_t offset, uint32_t *address);
uint8_t (*fast_read_mem_byte) (int32_t handle, uint32_t offset);
uint16_t (*fast_read_mem_word) (int32_t handle, uint32_t offset);
uint32_t (*fast_read_mem_longword) (int32_t handle, uint32_t offset);
int32_t (*write_mem_byte) (int32_t handle, uint32_t offset, uint16_t val);
int32_t (*write_mem_word) (int32_t handle, uint32_t offset, uint16_t val);
int32_t (*write_mem_longword) (int32_t handle, uint32_t offset, uint32_t val);
int32_t (*read_io_byte) (int32_t handle, uint32_t offset, uint8_t *address);
int32_t (*read_io_word) (int32_t handle, uint32_t offset, uint16_t *address);
int32_t (*read_io_longword) (int32_t handle, uint32_t offset, uint32_t *address);
uint8_t (*fast_read_io_byte) (int32_t handle, uint32_t offset);
uint16_t (*fast_read_io_word) (int32_t handle, uint32_t offset);
uint32_t (*fast_read_io_longword) (int32_t handle, uint32_t offset);
int32_t (*write_io_byte) (int32_t handle, uint32_t offset, uint16_t val);
int32_t (*write_io_word) (int32_t handle, uint32_t offset, uint16_t val);
int32_t (*write_io_longword) (int32_t handle, uint32_t offset, uint32_t val);
int32_t (*get_machine_id) (void);
int32_t (*get_pagesize) (void);
int32_t (*virt_to_bus) (int32_t handle, uint32_t address, PCI_CONV_ADR *pointer);
int32_t (*bus_to_virt) (int32_t handle, uint32_t address, PCI_CONV_ADR *pointer);
int32_t (*virt_to_phys) (uint32_t address, PCI_CONV_ADR *pointer);
int32_t (*phys_to_virt) (uint32_t address, PCI_CONV_ADR *pointer);
// int32_t reserved[2];
};
union interface
{
struct generic_driver_interface *gdi;
struct xhdi_driver_interface *xhdi;
struct dma_driver_interface *dma;
struct framebuffer_driver_interface *fb;
struct pci_bios_interface *pci;
};
struct generic_interface

View File

@@ -1,98 +0,0 @@
/*
* font.h - font specific definitions
*
* Copyright (c) 2001 Lineo, Inc.
* Copyright (c) 2004 by Authors:
*
* Authors:
* MAD Martin Doering
*
* This file is distributed under the GPL, version 2 or at your
* option any later version. See doc/license.txt for details.
*/
#ifndef FONT_H
#define FONT_H
#include <stdint.h>
/* font header flags */
#define F_DEFAULT 1 /* this is the default font (face and size) */
#define F_HORZ_OFF 2 /* there are left and right offset tables */
#define F_STDFORM 4 /* is the font in standard format */
#define F_MONOSPACE 8 /* is the font monospaced */
/* font style bits */
#define F_THICKEN 1
#define F_LIGHT 2
#define F_SKEW 4
#define F_UNDER 8
#define F_OUTLINE 16
#define F_SHADOW 32
/* font specific linea variables */
extern const uint16_t *v_fnt_ad; /* address of current monospace font */
extern const uint16_t *v_off_ad; /* address of font offset table */
extern uint16_t v_fnt_nd; /* ascii code of last cell in font */
extern uint16_t v_fnt_st; /* ascii code of first cell in font */
extern uint16_t v_fnt_wr; /* font cell wrap */
/* character cell specific linea variables */
extern uint16_t v_cel_ht; /* cell height (width is 8) */
extern uint16_t v_cel_mx; /* needed by MiNT: columns on the screen minus 1 */
extern uint16_t v_cel_my; /* needed by MiNT: rows on the screen minus 1 */
extern uint16_t v_cel_wr; /* needed by MiNT: length (in int8_ts) of a line of characters */
/*
* font_ring is a struct of four pointers, each of which points to
* a list of font headers linked together to form a string.
*/
extern struct font_head *font_ring[4]; /* Ring of available fonts */
extern int16_t font_count; /* all three fonts and NULL */
/* the font header descibes a font */
struct font_head {
int16_t font_id;
int16_t point;
int8_t name[32];
uint16_t first_ade;
uint16_t last_ade;
uint16_t top;
uint16_t ascent;
uint16_t half;
uint16_t descent;
uint16_t bottom;
uint16_t max_char_width;
uint16_t max_cell_width;
uint16_t left_offset; /* amount character slants left when skewed */
uint16_t right_offset; /* amount character slants right */
uint16_t thicken; /* number of pixels to smear */
uint16_t ul_size; /* size of the underline */
uint16_t lighten; /* mask to and with to lighten */
uint16_t skew; /* mask for skewing */
uint16_t flags;
const uint8_t *hor_table; /* horizontal offsets */
const uint16_t *off_table; /* character offsets */
const uint16_t *dat_table; /* character definitions */
uint16_t form_width;
uint16_t form_height;
struct font_head *next_font;/* pointer to next font */
uint16_t font_seg;
};
/* prototypes */
void font_init(void); /* initialize BIOS font ring */
void font_set_default(void); /* choose the default font */
#endif /* FONT_H */

View File

@@ -243,94 +243,10 @@ extern int32_t pci_write_config_longword(int32_t handle, int offset, uint32_t va
extern int32_t pci_write_config_word(int32_t handle, int offset, uint16_t value);
extern int32_t pci_write_config_byte(int32_t handle, int offset, uint8_t value);
extern struct pci_rd *pci_get_resource(int32_t handle);
extern int32_t pci_hook_interrupt(int32_t handle, void *interrupt_handler, void *parameter);
extern int32_t pci_unhook_interrupt(int32_t handle);
extern struct pci_rd *pci_get_resource(int32_t handle);
/*
* Not implemented PCI_BIOS functions
*/
extern uint8_t pci_fast_read_config_byte(int32_t handle, uint16_t reg);
extern uint16_t pci_fast_read_config_word(int32_t handle, uint16_t reg);
extern uint32_t pci_fast_read_config_longword(int32_t handle, uint16_t reg);
extern int32_t pci_special_cycle(uint16_t bus, uint32_t data);
extern int32_t pci_get_routing(int32_t handle);
extern int32_t pci_set_interrupt(int32_t handle);
extern int32_t pci_get_card_used(int32_t handle, uint32_t *address);
extern int32_t pci_set_card_used(int32_t handle, uint32_t *callback);
extern int32_t pci_read_mem_byte(int32_t handle, uint32_t offset, uint8_t *address);
extern int32_t pci_read_mem_word(int32_t handle, uint32_t offset, uint16_t *address);
extern int32_t pci_read_mem_longword(int32_t handle, uint32_t offset, uint32_t *address);
extern uint8_t pci_fast_read_mem_byte(int32_t handle, uint32_t offset);
extern uint16_t pci_fast_read_mem_word(int32_t handle, uint32_t offset);
extern uint32_t pci_fast_read_mem_longword(int32_t handle, uint32_t offset);
extern int32_t pci_write_mem_byte(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t pci_write_mem_word(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t pci_write_mem_longword(int32_t handle, uint32_t offset, uint32_t val);
extern int32_t pci_read_io_byte(int32_t handle, uint32_t offset, uint8_t *address);
extern int32_t pci_read_io_word(int32_t handle, uint32_t offset, uint16_t *address);
extern int32_t pci_read_io_longword(int32_t handle, uint32_t offset, uint32_t *address);
extern uint8_t pci_fast_read_io_byte(int32_t handle, uint32_t offset);
extern uint16_t pci_fast_read_io_word(int32_t handle, uint32_t offset);
extern uint32_t pci_fast_read_io_longword(int32_t handle, uint32_t offset);
extern int32_t pci_write_io_byte(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t pci_write_io_word(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t pci_write_io_longword(int32_t handle, uint32_t offset, uint32_t val);
extern int32_t pci_get_machine_id(void);
extern int32_t pci_get_pagesize(void);
extern int32_t pci_virt_to_bus(int32_t handle, uint32_t address, PCI_CONV_ADR *pointer);
extern int32_t pci_bus_to_virt(int32_t handle, uint32_t address, PCI_CONV_ADR *pointer);
extern int32_t pci_virt_to_phys(uint32_t address, PCI_CONV_ADR *pointer);
extern int32_t pci_phys_to_virt(uint32_t address, PCI_CONV_ADR *pointer);
/*
* prototypes for PCI wrapper routines
*/
extern int32_t wrapper_find_pci_device(uint32_t id, uint16_t index);
extern int32_t wrapper_find_pci_classcode(uint32_t class, uint16_t index);
extern int32_t wrapper_read_config_byte(int32_t handle, uint16_t reg, uint8_t *address);
extern int32_t wrapper_read_config_word(int32_t handle, uint16_t reg, uint16_t *address);
extern int32_t wrapper_read_config_longword(int32_t handle, uint16_t reg, uint32_t *address);
extern uint8_t wrapper_fast_read_config_byte(int32_t handle, uint16_t reg);
extern uint16_t wrapper_fast_read_config_word(int32_t handle, uint16_t reg);
extern uint32_t wrapper_fast_read_config_longword(int32_t handle, uint16_t reg);
extern int32_t wrapper_write_config_byte(int32_t handle, uint16_t reg, uint16_t val);
extern int32_t wrapper_write_config_word(int32_t handle, uint16_t reg, uint16_t val);
extern int32_t wrapper_write_config_longword(int32_t handle, uint16_t reg, uint32_t val);
extern int32_t wrapper_hook_interrupt(int32_t handle, uint32_t *routine, uint32_t *parameter);
extern int32_t wrapper_unhook_interrupt(int32_t handle);
extern int32_t wrapper_special_cycle(uint16_t bus, uint32_t data);
extern int32_t wrapper_get_routing(int32_t handle);
extern int32_t wrapper_set_interrupt(int32_t handle);
extern int32_t wrapper_get_resource(int32_t handle);
extern int32_t wrapper_get_card_used(int32_t handle, uint32_t *address);
extern int32_t wrapper_set_card_used(int32_t handle, uint32_t *callback);
extern int32_t wrapper_read_mem_byte(int32_t handle, uint32_t offset, uint8_t *address);
extern int32_t wrapper_read_mem_word(int32_t handle, uint32_t offset, uint16_t *address);
extern int32_t wrapper_read_mem_longword(int32_t handle, uint32_t offset, uint32_t *address);
extern uint8_t wrapper_fast_read_mem_byte(int32_t handle, uint32_t offset);
extern uint16_t wrapper_fast_read_mem_word(int32_t handle, uint32_t offset);
extern uint32_t wrapper_fast_read_mem_longword(int32_t handle, uint32_t offset);
extern int32_t wrapper_write_mem_byte(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t wrapper_write_mem_word(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t wrapper_write_mem_longword(int32_t handle, uint32_t offset, uint32_t val);
extern int32_t wrapper_read_io_byte(int32_t handle, uint32_t offset, uint8_t *address);
extern int32_t wrapper_read_io_word(int32_t handle, uint32_t offset, uint16_t *address);
extern int32_t wrapper_read_io_longword(int32_t handle, uint32_t offset, uint32_t *address);
extern uint8_t wrapper_fast_read_io_byte(int32_t handle, uint32_t offset);
extern uint16_t wrapper_fast_read_io_word(int32_t handle, uint32_t offset);
extern uint32_t wrapper_fast_read_io_longword(int32_t handle, uint32_t offset);
extern int32_t wrapper_write_io_byte(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t wrapper_write_io_word(int32_t handle, uint32_t offset, uint16_t val);
extern int32_t wrapper_write_io_longword(int32_t handle, uint32_t offset, uint32_t val);
extern int32_t wrapper_get_machine_id(void);
extern int32_t wrapper_get_pagesize(void);
extern int32_t wrapper_virt_to_bus(int32_t handle, uint32_t address, PCI_CONV_ADR *pointer);
extern int32_t wrapper_bus_to_virt(int32_t handle, uint32_t address, PCI_CONV_ADR *pointer);
extern int32_t wrapper_virt_to_phys(uint32_t address, PCI_CONV_ADR *pointer);
extern int32_t wrapper_phys_to_virt(uint32_t address, PCI_CONV_ADR *pointer);
#define PCI_MK_CONF_ADDR(bus, device, function) (MCF_PCI_PCICAR_E | \
((bus) << 16) | \
((device << 8) | \

View File

@@ -29,7 +29,7 @@
*/
#define MAJOR_VERSION 0
#define MINOR_VERSION 85
#define MINOR_VERSION 84
#endif /* VERSION_H_ */

215
net/fec.c
View File

@@ -32,7 +32,7 @@
#error Unknown machine!
#endif
// #define DBG_FEC
#define DBG_FEC
#ifdef DBG_FEC
#define dbg(format, arg...) do { xprintf("DEBUG: %s(): " format, __FUNCTION__, ##arg); } while (0)
#else
@@ -237,33 +237,33 @@ void fec_log_init(uint8_t ch)
*/
void fec_log_dump(uint8_t ch)
{
dbg("\r\n FEC%d Log\r\n", __FUNCTION__, ch);
dbg(" ---------------\r\n", __FUNCTION__);
dbg(" Total: %4d\r\n", fec_log[ch].total);
dbg(" hberr: %4d\r\n", fec_log[ch].hberr);
dbg(" babr: %4d\r\n", fec_log[ch].babr);
dbg(" babt: %4d\r\n", fec_log[ch].babt);
dbg(" gra: %4d\r\n", fec_log[ch].gra);
dbg(" txf: %4d\r\n", fec_log[ch].txf);
dbg(" mii: %4d\r\n", fec_log[ch].mii);
dbg(" lc: %4d\r\n", fec_log[ch].lc);
dbg(" rl: %4d\r\n", fec_log[ch].rl);
dbg(" xfun: %4d\r\n", fec_log[ch].xfun);
dbg(" xferr: %4d\r\n", fec_log[ch].xferr);
dbg(" rferr: %4d\r\n", fec_log[ch].rferr);
dbg(" dtxf: %4d\r\n", fec_log[ch].dtxf);
dbg(" drxf: %4d\r\n", fec_log[ch].drxf);
dbg(" \r\nRFSW:\r\n");
dbg(" inv: %4d\r\n", fec_log[ch].rfsw_inv);
dbg(" m: %4d\r\n", fec_log[ch].rfsw_m);
dbg(" bc: %4d\r\n", fec_log[ch].rfsw_bc);
dbg(" mc: %4d\r\n", fec_log[ch].rfsw_mc);
dbg(" lg: %4d\r\n", fec_log[ch].rfsw_lg);
dbg(" no: %4d\r\n", fec_log[ch].rfsw_no);
dbg(" cr: %4d\r\n", fec_log[ch].rfsw_cr);
dbg(" ov: %4d\r\n", fec_log[ch].rfsw_ov);
dbg(" tr: %4d\r\n", fec_log[ch].rfsw_tr);
dbg(" ---------------\r\n\r\n");
dbg("\r\n FEC%d Log\r\n", __FUNCTION__, ch);
dbg(" ---------------\r\n", __FUNCTION__);
dbg(" Total: %4d\r\n", fec_log[ch].total);
dbg(" hberr: %4d\r\n", fec_log[ch].hberr);
dbg(" babr: %4d\r\n", fec_log[ch].babr);
dbg(" babt: %4d\r\n", fec_log[ch].babt);
dbg(" gra: %4d\r\n", fec_log[ch].gra);
dbg(" txf: %4d\r\n", fec_log[ch].txf);
dbg(" mii: %4d\r\n", fec_log[ch].mii);
dbg(" lc: %4d\r\n", fec_log[ch].lc);
dbg(" rl: %4d\r\n", fec_log[ch].rl);
dbg(" xfun: %4d\r\n", fec_log[ch].xfun);
dbg(" xferr: %4d\r\n", fec_log[ch].xferr);
dbg(" rferr: %4d\r\n", fec_log[ch].rferr);
dbg(" dtxf: %4d\r\n", fec_log[ch].dtxf);
dbg(" drxf: %4d\r\n", fec_log[ch].drxf);
dbg(" \r\nRFSW:\r\n");
dbg(" inv: %4d\r\n", fec_log[ch].rfsw_inv);
dbg(" m: %4d\r\n", fec_log[ch].rfsw_m);
dbg(" bc: %4d\r\n", fec_log[ch].rfsw_bc);
dbg(" mc: %4d\r\n", fec_log[ch].rfsw_mc);
dbg(" lg: %4d\r\n", fec_log[ch].rfsw_lg);
dbg(" no: %4d\r\n", fec_log[ch].rfsw_no);
dbg(" cr: %4d\r\n", fec_log[ch].rfsw_cr);
dbg(" ov: %4d\r\n", fec_log[ch].rfsw_ov);
dbg(" tr: %4d\r\n", fec_log[ch].rfsw_tr);
dbg(" ---------------\r\n\r\n");
}
/*
@@ -538,26 +538,19 @@ void fec_rx_start(uint8_t ch, int8_t *rxbd)
{
uint32_t initiator;
int channel;
#ifdef DBG_FEC
int res;
#endif
/*
* Make the initiator assignment
*/
#if defined(DBG_FEC)
res =
#else
(void)
#endif
dma_set_initiator(DMA_FEC_RX(ch));
dbg("dma_set_initiator(DMA_FEC_RX(%d)): %d\r\n", ch, res);
res = dma_set_initiator(DMA_FEC_RX(ch));
dbg("dma_set_initiator(DMA_FEC_RX(%d)): %d\r\n", ch, res);
/*
* Grab the initiator number
*/
initiator = dma_get_initiator(DMA_FEC_RX(ch));
dbg("dma_get_initiator(DMA_FEC_RX(%d)) = %d\r\n", ch, initiator);
dbg("dma_get_initiator(DMA_FEC_RX(%d)) = %d\r\n", ch, initiator);
/*
* Determine the DMA channel running the task for the
@@ -565,7 +558,7 @@ void fec_rx_start(uint8_t ch, int8_t *rxbd)
*/
channel = dma_set_channel(DMA_FEC_RX(ch),
(ch == 0) ? fec0_rx_frame : fec1_rx_frame);
dbg("DMA channel for FEC%1d: %d\r\n", ch, channel);
dbg("DMA channel for FEC%1d: %d\r\n", ch, channel);
/*
* Start the Rx DMA task
@@ -579,18 +572,18 @@ void fec_rx_start(uint8_t ch, int8_t *rxbd)
0,
initiator,
FECRX_DMA_PRI(ch),
0
| MCD_FECRX_DMA
0
| MCD_FECRX_DMA
| MCD_INTERRUPT
| MCD_TT_FLAGS_CW
| MCD_TT_FLAGS_CW
| MCD_TT_FLAGS_RL
| MCD_TT_FLAGS_SP
,
0
0
| MCD_NO_CSUM
| MCD_NO_BYTE_SWAP
);
dbg("Rx DMA task for FEC%1d started\r\n", ch);
dbg("Rx DMA task for FEC%1d started\r\n", ch);
}
/*
@@ -614,13 +607,13 @@ void fec_rx_continue(uint8_t ch)
*/
channel = dma_get_channel(DMA_FEC_RX(ch));
dbg("RX DMA channel for FEC%1d is %d\r\n", ch, channel);
dbg("RX DMA channel for FEC%1d is %d\r\n", ch, channel);
/*
* Continue/restart the DMA task
*/
MCD_continDma(channel);
dbg("RX dma on channel %d continued\r\n", channel);
dbg("RX dma on channel %d continued\r\n", channel);
}
/*
@@ -649,9 +642,9 @@ void fec_rx_stop (uint8_t ch)
/* Kill the FEC Rx DMA task */
MCD_killDma(channel);
/*
* Free up the FEC requestor from the software maintained
* initiator list
/*
* Free up the FEC requestor from the software maintained
* initiator list
*/
dma_free_initiator(DMA_FEC_RX(ch));
@@ -663,7 +656,7 @@ void fec_rx_stop (uint8_t ch)
}
/*
* Receive Frame interrupt handler - this handler is called by the
* Receive Frame interrupt handler - this handler is called by the
* DMA interrupt handler indicating that a packet was successfully
* transferred out of the Rx FIFO.
*
@@ -678,7 +671,7 @@ void fec_rx_frame(uint8_t ch, NIF *nif)
NBUF *cur_nbuf, *new_nbuf;
int keep;
dbg("started\r\n");
dbg("started\r\n");
while ((pRxBD = fecbd_rx_alloc(ch)) != NULL)
{
@@ -691,7 +684,7 @@ void fec_rx_frame(uint8_t ch, NIF *nif)
* - No undefined bits should be set
* - The upper 5 bits of the length should be cleared
*/
if (!(pRxBD->status & RX_BD_L) || (pRxBD->status & 0x0608)
if (!(pRxBD->status & RX_BD_L) || (pRxBD->status & 0x0608)
|| (pRxBD->length & 0xF800))
{
keep = false;
@@ -723,8 +716,8 @@ void fec_rx_frame(uint8_t ch, NIF *nif)
if (keep)
{
/*
* Pull the network buffer off the Rx ring queue
/*
* Pull the network buffer off the Rx ring queue
*/
cur_nbuf = nbuf_remove(NBUF_RX_RING);
@@ -740,7 +733,7 @@ void fec_rx_frame(uint8_t ch, NIF *nif)
new_nbuf = nbuf_alloc();
if (new_nbuf == NULL)
{
dbg("nbuf_alloc() failed\n");
dbg("nbuf_alloc() failed\n");
/*
* Can't allocate a new network buffer, so we
@@ -774,7 +767,7 @@ void fec_rx_frame(uint8_t ch, NIF *nif)
/*
* Let the DMA know that there is a new Rx BD (in case the
* Let the DMA know that there is a new Rx BD (in case the
* ring was full and the DMA was waiting for an empty one)
*/
fec_rx_continue(ch);
@@ -785,7 +778,7 @@ void fec_rx_frame(uint8_t ch, NIF *nif)
eth_hdr = (ETH_HDR *) cur_nbuf->data;
/*
* Pass the received packet up the network stack if the
* Pass the received packet up the network stack if the
* protocol is supported in our network interface (NIF)
*/
if (nif_protocol_exist(nif, eth_hdr->type))
@@ -796,12 +789,12 @@ void fec_rx_frame(uint8_t ch, NIF *nif)
else
{
nbuf_free(cur_nbuf);
dbg("got unsupported packet %d, trashed it\r\n", eth_hdr->type);
dbg("got unsupported packet %d, trashed it\r\n", eth_hdr->type);
}
}
else
else
{
/*
/*
* This frame isn't a keeper
* Reset the status and length, but don't need to get another
* buffer since we are trashing the data in the current one
@@ -811,7 +804,7 @@ void fec_rx_frame(uint8_t ch, NIF *nif)
pRxBD->status |= RX_BD_E;
/*
* Move the current buffer from the beginning to the end of the
* Move the current buffer from the beginning to the end of the
* Rx ring queue
*/
cur_nbuf = nbuf_remove(NBUF_RX_RING);
@@ -851,28 +844,22 @@ void fec_tx_start(uint8_t ch, int8_t *txbd)
{
uint32_t initiator;
int channel;
int result;
void fec0_tx_frame(void);
void fec1_tx_frame(void);
#ifdef DBG_FEC
int res;
#endif
/*
* Make the initiator assignment
*/
#ifdef DBG_FEC
res =
#else
(void)
#endif
dma_set_initiator(DMA_FEC_TX(ch));
dbg("dma_set_initiator(%d) = %d\r\n", ch, res);
res = dma_set_initiator(DMA_FEC_TX(ch));
dbg("dma_set_initiator(%d) = %d\r\n", ch, res);
/*
* Grab the initiator number
*/
initiator = dma_get_initiator(DMA_FEC_TX(ch));
dbg("dma_get_initiator(%d) = %d\r\n", ch, initiator);
dbg("dma_get_initiator(%d) = %d\r\n", ch, initiator);
/*
@@ -881,7 +868,7 @@ void fec_tx_start(uint8_t ch, int8_t *txbd)
*/
channel = dma_set_channel(DMA_FEC_TX(ch),
(ch == 0) ? fec0_tx_frame : fec1_tx_frame);
dbg("dma_set_channel(%d, ...) = %d\r\n", ch, channel);
dbg("dma_set_channel(%d, ...) = %d\r\n", ch, channel);
/*
* Start the Tx DMA task
@@ -895,18 +882,18 @@ void fec_tx_start(uint8_t ch, int8_t *txbd)
0,
initiator,
FECTX_DMA_PRI(ch),
0
| MCD_FECTX_DMA
0
| MCD_FECTX_DMA
| MCD_INTERRUPT
| MCD_TT_FLAGS_CW
| MCD_TT_FLAGS_CW
| MCD_TT_FLAGS_RL
| MCD_TT_FLAGS_SP
,
0
0
| MCD_NO_CSUM
| MCD_NO_BYTE_SWAP
);
dbg("DMA tx task started\r\n");
dbg("DMA tx task started\r\n");
}
/*
@@ -929,13 +916,13 @@ void fec_tx_continue(uint8_t ch)
* selected FEC
*/
channel = dma_get_channel(DMA_FEC_TX(ch));
dbg("dma_get_channel(DMA_FEC_TX(%d)) = %d\r\n", ch, channel);
dbg("dma_get_channel(DMA_FEC_TX(%d)) = %d\r\n", ch, channel);
/*
* Continue/restart the DMA task
*/
MCD_continDma(channel);
dbg("DMA TX task continue\r\n");
dbg("DMA TX task continue\r\n");
}
/*
@@ -982,9 +969,9 @@ void fec_tx_stop(uint8_t ch)
/* Kill the FEC Tx DMA task */
MCD_killDma(channel);
/*
* Free up the FEC requestor from the software maintained
* initiator list
/*
* Free up the FEC requestor from the software maintained
* initiator list
*/
dma_free_initiator(DMA_FEC_TX(ch));
@@ -996,7 +983,7 @@ void fec_tx_stop(uint8_t ch)
}
/*
* Trasmit Frame interrupt handler - this handler is called by the
* Trasmit Frame interrupt handler - this handler is called by the
* DMA interrupt handler indicating that a packet was successfully
* transferred to the Tx FIFO.
*
@@ -1009,7 +996,7 @@ void fec_tx_frame(uint8_t ch)
NBUF *pNbuf;
bool is_empty = true;
dbg("\r\n");
dbg("\r\n");
while ((pTxBD = fecbd_tx_free(ch)) != NULL)
{
fec_log[ch].dtxf++;
@@ -1023,7 +1010,7 @@ void fec_tx_frame(uint8_t ch)
* Free up the network buffer that was just transmitted
*/
nbuf_free(pNbuf);
dbg("free buffer %p from TX ring\r\n", pNbuf);
dbg("free buffer %p from TX ring\r\n", pNbuf);
/*
* Re-initialize the Tx BD
@@ -1032,9 +1019,9 @@ void fec_tx_frame(uint8_t ch)
pTxBD->length = 0;
is_empty = false;
}
}
if (is_empty)
dbg("transmit queue was empty!\r\n");
dbg("transmit queue was empty!\r\n");
}
void fec0_tx_frame(void)
@@ -1057,7 +1044,7 @@ void fec1_tx_frame(void)
* dst Destination MAC Address
* src Source MAC Address
* type Ethernet Frame Type
* length Number of bytes to be transmitted (doesn't include type,
* length Number of bytes to be transmitted (doesn't include type,
* src, or dest byte count)
* pkt Pointer packet network buffer
*
@@ -1072,14 +1059,14 @@ int fec_send(uint8_t ch, NIF *nif, uint8_t *dst, uint8_t *src, uint16_t type, NB
/* Check the length */
if ((nbuf->length + ETH_HDR_LEN) > ETH_MTU)
{
dbg("nbuf->length (%d) + ETH_HDR_LEN (%d) exceeds ETH_MTU (%d)\r\n",
nbuf->length, ETH_HDR_LEN, ETH_MTU);
dbg("nbuf->length (%d) + ETH_HDR_LEN (%d) exceeds ETH_MTU (%d)\r\n",
nbuf->length, ETH_HDR_LEN, ETH_MTU);
return 0;
}
/*
* Copy the destination address, source address, and Ethernet
* type into the packet
/*
* Copy the destination address, source address, and Ethernet
* type into the packet
*/
memcpy(&nbuf->data[0], dst, 6);
memcpy(&nbuf->data[6], src, 6);
@@ -1095,7 +1082,7 @@ int fec_send(uint8_t ch, NIF *nif, uint8_t *dst, uint8_t *src, uint16_t type, NB
*/
nbuf_add(NBUF_TX_RING, nbuf);
/*
/*
* Setup the buffer descriptor for transmission
*/
pTxBD->data = nbuf->data;
@@ -1205,7 +1192,7 @@ static void fec_irq_handler(uint8_t ch)
event = eir & MCF_FEC_EIMR(ch);
if (event != eir)
dbg("pending but not enabled: 0x%08x\r\n", (event ^ eir));
dbg("pending but not enabled: 0x%08x\r\n", (event ^ eir));
/*
* Clear the event(s) in the EIR immediately
@@ -1216,8 +1203,8 @@ static void fec_irq_handler(uint8_t ch)
{
fec_log[ch].total++;
fec_log[ch].rferr++;
dbg("RFERR\r\n");
dbg("FECRFSR%d = 0x%08x\r\n", ch, MCF_FEC_FECRFSR(ch));
dbg("RFERR\r\n");
dbg("FECRFSR%d = 0x%08x\r\n", ch, MCF_FEC_FECRFSR(ch));
//fec_eth_stop(ch);
}
@@ -1225,14 +1212,14 @@ static void fec_irq_handler(uint8_t ch)
{
fec_log[ch].total++;
fec_log[ch].xferr++;
dbg("XFERR\r\n");
dbg("XFERR\r\n");
}
if (event & MCF_FEC_EIR_XFUN)
{
fec_log[ch].total++;
fec_log[ch].xfun++;
dbg("XFUN\r\n");
dbg("XFUN\r\n");
//fec_eth_stop(ch);
}
@@ -1240,54 +1227,54 @@ static void fec_irq_handler(uint8_t ch)
{
fec_log[ch].total++;
fec_log[ch].rl++;
dbg("RL\r\n");
dbg("RL\r\n");
}
if (event & MCF_FEC_EIR_LC)
{
fec_log[ch].total++;
fec_log[ch].lc++;
dbg("LC\r\n");
dbg("LC\r\n");
}
if (event & MCF_FEC_EIR_MII)
{
fec_log[ch].mii++;
dbg("MII\r\n");
dbg("MII\r\n");
}
if (event & MCF_FEC_EIR_TXF)
{
fec_log[ch].txf++;
dbg("TXF\r\n");
dbg("TXF\r\n");
fec_log_dump(0);
}
if (event & MCF_FEC_EIR_GRA)
{
fec_log[ch].gra++;
dbg("GRA\r\n");
dbg("GRA\r\n");
}
if (event & MCF_FEC_EIR_BABT)
{
fec_log[ch].total++;
fec_log[ch].babt++;
dbg("BABT\r\n");
dbg("BABT\r\n");
}
if (event & MCF_FEC_EIR_BABR)
{
fec_log[ch].total++;
fec_log[ch].babr++;
dbg("BABR\r\n");
dbg("BABR\r\n");
}
if (event & MCF_FEC_EIR_HBERR)
{
fec_log[ch].total++;
fec_log[ch].hberr++;
dbg("HBERR\r\n");
dbg("HBERR\r\n");
}
}
@@ -1297,7 +1284,7 @@ static void fec_irq_handler(uint8_t ch)
*/
int fec0_interrupt_handler(void* arg1, void* arg2)
{
(void) arg1; /* not used */
(void) arg1;
(void) arg2;
fec_irq_handler(0);
@@ -1307,7 +1294,7 @@ int fec0_interrupt_handler(void* arg1, void* arg2)
int fec1_interrupt_handler(void* arg1, void* arg2)
{
(void) arg1; /* not used */
(void) arg1;
(void) arg2;
fec_irq_handler(1);
@@ -1357,9 +1344,9 @@ void fec_eth_setup(uint8_t ch, uint8_t trcvr, uint8_t speed, uint8_t duplex, con
*/
#if defined(MACHINE_FIREBEE)
if (am79c874_init(0, 0, speed, duplex))
dbg("PHY init completed\r\n");
dbg("PHY init completed\r\n");
else
dbg("PHY init failed\r\n");
dbg("PHY init failed\r\n");
#elif defined(MACHINE_M548X)
bcm_5222_init(0, 0, speed, duplex);
#else
@@ -1412,7 +1399,7 @@ void fec_eth_stop(uint8_t ch)
*/
level = set_ipl(7);
dbg("fec %d stopped\r\n", ch);
dbg("fec %d stopped\r\n", ch);
/*
* Gracefully disable the receiver and transmitter
*/
@@ -1434,12 +1421,12 @@ void fec_eth_stop(uint8_t ch)
fec_log_dump(ch);
#endif
/*
/*
* Flush the network buffers
*/
nbuf_flush();
/*
/*
* Restore interrupt level
*/
set_ipl(level);

177
pci/pci.c
View File

@@ -33,9 +33,9 @@
#include "interrupts.h"
#include "wait.h"
#define DEBUG_PCI
//#define DEBUG_PCI
#ifdef DEBUG_PCI
#define dbg(format, arg...) do { xprintf("DEBUG: %s(): " format, __FUNCTION__, ##arg); } while (0)
#define dbg(format, arg...) do { xprintf("DEBUG: " format "", ##arg); } while (0)
#else
#define dbg(format, arg...) do { ; } while (0)
#endif /* DEBUG_PCI */
@@ -162,7 +162,7 @@ static int32_t pci_get_interrupt_cause(int32_t *handles)
return handle;
}
}
dbg("%s: no interrupt cause found\r\n");
dbg("%s: no interrupt cause found\r\n", __FUNCTION__);
return -1;
}
@@ -189,7 +189,7 @@ void irq5_handler(void)
newvalue = pci_call_interrupt_chain(handle, value);
if (newvalue == value)
{
dbg("%s: interrupt not handled!\r\n");
dbg("%s: interrupt not handled!\r\n", __FUNCTION__);
}
}
}
@@ -211,7 +211,7 @@ void irq7_handler(void)
newvalue = pci_call_interrupt_chain(handle, value);
if (newvalue == value)
{
dbg("%s: interrupt not handled!\r\n");
dbg("%s: interrupt not handled!\r\n", __FUNCTION__);
}
}
}
@@ -587,168 +587,7 @@ int32_t pci_unhook_interrupt(int32_t handle)
return PCI_SUCCESSFUL;
}
/*
* Not implemented PCI_BIOS functions
*/
uint8_t pci_fast_read_config_byte(int32_t handle, uint16_t reg)
{
return PCI_FUNC_NOT_SUPPORTED;
}
uint16_t pci_fast_read_config_word(int32_t handle, uint16_t reg)
{
return PCI_FUNC_NOT_SUPPORTED;
}
uint32_t pci_fast_read_config_longword(int32_t handle, uint16_t reg)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_special_cycle(uint16_t bus, uint32_t data)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_get_routing(int32_t handle)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_set_interrupt(int32_t handle)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_get_card_used(int32_t handle, uint32_t *address)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_set_card_used(int32_t handle, uint32_t *callback)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_read_mem_byte(int32_t handle, uint32_t offset, uint8_t *address)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_read_mem_word(int32_t handle, uint32_t offset, uint16_t *address)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_read_mem_longword(int32_t handle, uint32_t offset, uint32_t *address)
{
return PCI_FUNC_NOT_SUPPORTED;
}
uint8_t pci_fast_read_mem_byte(int32_t handle, uint32_t offset)
{
return PCI_FUNC_NOT_SUPPORTED;
}
uint16_t pci_fast_read_mem_word(int32_t handle, uint32_t offset)
{
return PCI_FUNC_NOT_SUPPORTED;
}
uint32_t pci_fast_read_mem_longword(int32_t handle, uint32_t offset)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_write_mem_byte(int32_t handle, uint32_t offset, uint16_t val)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_write_mem_word(int32_t handle, uint32_t offset, uint16_t val)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_write_mem_longword(int32_t handle, uint32_t offset, uint32_t val)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_read_io_byte(int32_t handle, uint32_t offset, uint8_t *address)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_read_io_word(int32_t handle, uint32_t offset, uint16_t *address)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_read_io_longword(int32_t handle, uint32_t offset, uint32_t *address)
{
return PCI_FUNC_NOT_SUPPORTED;
}
uint8_t pci_fast_read_io_byte(int32_t handle, uint32_t offset)
{
return PCI_FUNC_NOT_SUPPORTED;
}
uint16_t pci_fast_read_io_word(int32_t handle, uint32_t offset)
{
return PCI_FUNC_NOT_SUPPORTED;
}
uint32_t pci_fast_read_io_longword(int32_t handle, uint32_t offset)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_write_io_byte(int32_t handle, uint32_t offset, uint16_t val)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_write_io_word(int32_t handle, uint32_t offset, uint16_t val)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_write_io_longword(int32_t handle, uint32_t offset, uint32_t val)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_get_machine_id(void)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_get_pagesize(void)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_virt_to_bus(int32_t handle, uint32_t address, PCI_CONV_ADR *pointer)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_bus_to_virt(int32_t handle, uint32_t address, PCI_CONV_ADR *pointer)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_virt_to_phys(uint32_t address, PCI_CONV_ADR *pointer)
{
return PCI_FUNC_NOT_SUPPORTED;
}
int32_t pci_phys_to_virt(uint32_t address, PCI_CONV_ADR *pointer)
{
return PCI_FUNC_NOT_SUPPORTED;
}
/*
* pci_device_config()
@@ -810,7 +649,7 @@ static void pci_device_config(uint16_t bus, uint16_t device, uint16_t function)
*/
struct pci_rd *rd = &descriptors[barnum];
dbg("%s: address = %08x\r\n", address);
dbg("%s: address = %08x\r\n", __FUNCTION__, address);
if (IS_PCI_MEM_BAR(address))
{
/* adjust base address to card's alignment requirements */
@@ -899,10 +738,10 @@ static void pci_device_config(uint16_t bus, uint16_t device, uint16_t function)
/* write it to PCIERBAR and enable ROM */
pci_write_config_longword(handle, PCIERBAR, swpl(address | 1));
dbg("%s: set PCIERBAR on device 0x%02x to 0x%08x\r\n", handle, address | 1);
dbg("%s: set PCIERBAR on device 0x%02x to 0x%08x\r\n", __FUNCTION__, handle, address | 1);
/* read value back just to be sure */
dbg("%s: PCIERBAR = %p\r\n", swpl(pci_read_config_longword(handle, PCIERBAR)));
dbg("%s: PCIERBAR = %p\r\n", __FUNCTION__, swpl(pci_read_config_longword(handle, PCIERBAR)));
rd->next = sizeof(struct pci_rd);

View File

@@ -1,469 +0,0 @@
/*
* pci.S
*
* Purpose: PCI configuration for the Coldfire builtin PCI bridge.
*
* Notes:
*
* This file is part of BaS_gcc.
*
* BaS_gcc is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* BaS_gcc is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with BaS_gcc. If not, see <http://www.gnu.org/licenses/>.
*
* Created on: 08.05.2014
* Author: David Galvez
*/
.global _wrapper_find_pci_device
.global _wrapper_find_pci_classcode
.global _wrapper_read_config_longword
.global _wrapper_read_config_word
.global _wrapper_read_config_byte
.global _wrapper_fast_read_config_byte
.global _wrapper_fast_read_config_word
.global _wrapper_fast_read_config_longword
.global _wrapper_write_config_longword
.global _wrapper_write_config_word
.global _wrapper_write_config_byte
.global _wrapper_get_resource
.global _wrapper_hook_interrupt
.global _wrapper_unhook_interrupt
.global _wrapper_special_cycle
.global _wrapper_get_routing
.global _wrapper_set_interrupt
.global _wrapper_get_resource
.global _wrapper_get_card_used
.global _wrapper_set_card_used
.global _wrapper_read_mem_byte
.global _wrapper_read_mem_word
.global _wrapper_read_mem_longword
.global _wrapper_fast_read_mem_byte
.global _wrapper_fast_read_mem_word
.global _wrapper_fast_read_mem_longword
.global _wrapper_write_mem_byte
.global _wrapper_write_mem_word
.global _wrapper_write_mem_longword
.global _wrapper_read_io_byte
.global _wrapper_read_io_word
.global _wrapper_read_io_longword
.global _wrapper_fast_read_io_byte
.global _wrapper_fast_read_io_word
.global _wrapper_fast_read_io_longword
.global _wrapper_write_io_byte
.global _wrapper_write_io_word
.global _wrapper_write_io_longword
.global _wrapper_get_machine_id
.global _wrapper_get_pagesize
.global _wrapper_virt_to_bus
.global _wrapper_bus_to_virt
.global _wrapper_virt_to_phys
.global _wrapper_phys_to_virt
_wrapper_find_pci_device:
move.l D1,-(SP) // index
move.l D0,-(SP) // Vendor ID
move.l #16,D1
lsr.l D1,D0
move.l D0,-(SP) // Device ID
jsr _pci_find_device
add.l #12,SP
rts
_wrapper_find_pci_classcode:
move.l D1,-(SP) // index
move.l D0,-(SP) // ID
jsr _pci_find_classcode
addq.l #8,SP
rts
_wrapper_read_config_byte:
move.l A0,-(SP) // pointer to space for read data
move.l D1,-(SP) // PCI register
move.l D0,-(SP) // handle
jsr _pci_read_config_byte
move.l 8(SP),A0 // PCI_BIOS expects value in memory
move.l D0,(A0)
add.l #12,SP
move.l #0,D0
rts
_wrapper_read_config_word:
move.l A0,-(SP) // pointer to space for read data
move.l D1,-(SP) // PCI register
move.l D0,-(SP) // handle
jsr _pci_read_config_word
move.l 8(SP),A0 // little to big endian
move.l D0,(A0)
mvz.b 1(A0),D0
lsl.l #8,D0
move.b (A0),D0
move.l D0,(A0) // PCI_BIOS expects value in memory, not in D0
add.l #12,SP
move.l #0,D0
rts
_wrapper_read_config_longword:
move.l A0,-(SP) // pointer to space for read data
move.l D1,-(SP) // PCI register
move.l D0,-(SP) // handle
jsr _pci_read_config_longword
move.l 8(SP),A0 // little to big endian
move.l D0,(A0)
mvz.b 3(A0),D0
lsl.l #8,D0
move.b 2(A0),D0
lsl.l #8,D0
move.b 1(A0),D0
lsl.l #8,D0
move.b (A0),D0
move.l D0,(A0) // PCI_BIOS expects value in memory, not in D0
add.l #12,SP
move.l #0,D0
rts
/* Not implemented */
_wrapper_fast_read_config_byte:
move.l D1,-(SP) // PCI register
move.l D0,-(SP) // handle
jsr _pci_fast_read_config_byte
addq.l #8,SP
rts
/* Not implemented */
_wrapper_fast_read_config_word:
move.l D1,-(SP) // PCI register
move.l D0,-(SP) // handle
jsr _pci_fast_read_config_word
addq.l #8,SP
rts
/* Not implemented */
_wrapper_fast_read_config_longword:
move.l D1,-(SP) // PCI register
move.l D0,-(SP) // handle
jsr _pci_fast_read_config_longword
addq.l #8,SP
rts
_wrapper_write_config_byte:
move.l D2,-(SP) // data to write
move.l D1,-(SP) // PCI register
move.l D0,-(SP) // handle
jsr _pci_write_config_byte
add.l #12,SP
rts
_wrapper_write_config_word:
move.l D0,-(SP) // make data little endian
moveq #0,D1
move.w D2,D1
lsr.l #8,D1
asl.l #8,D2
or.l D1,D2
move.l (SP)+,D0
move.l D2,-(SP) // data to write
move.l D1,-(SP) // PCI register
move.l D0,-(SP) // handle
jsr _pci_write_config_word
add.l #12,SP
rts
_wrapper_write_config_longword:
move.l D0,-(SP)
move.l D2,D0 // make data little endian
lsr.l #8,D0
asl.l #8,D2
and.l #0x00FF00FF,D0
and.l #0xFF00FF00,D2
or.l D0,D2
swap D2
move.l (SP)+,D0
move.l D2,-(SP) // data to write
move.l D1,-(SP) // PCI register
move.l D0,-(SP) // handle
jsr _pci_write_config_longword
add.l #12,SP
rts
_wrapper_hook_interrupt:
move.l A1,-(SP) // parameter for interrupt handler
move.l A0,-(SP) // pointer to interrupt handler
move.l D0,-(SP) // handle
jsr _pci_hook_interrupt
add.l #12,SP
rts
_wrapper_unhook_interrupt:
move.l D0,-(SP) // handle
jsr _pci_unhook_interrupt
addq.l #4,SP
rts
/* Not implemented */
_wrapper_special_cycle:
move.l D1,-(SP) // special cycle data
move.l D0,-(SP) // bus number
jsr _pci_special_cycle
addq.l #8,SP
rts
/* Not implemented */
_wrapper_get_routing:
move.l D0,-(SP) // handle
jsr _pci_get_routing
addq.l #4,SP
rts
/* Not implemented */
_wrapper_set_interrupt:
move.l D1,-(SP) // mode
move.l D0,-(SP) // handle
jsr _pci_set_interrupt
addq.l #8,SP
rts
_wrapper_get_resource:
move.l D0,-(SP) // handle
jsr _pci_get_resource
addq.l #4,SP
rts
/* Not implemented */
_wrapper_get_card_used:
move.l D1,-(SP) // address
move.l D0,-(SP) // handle
jsr _pci_get_card_used
addq.l #8,SP
rts
/* Not implemented */
_wrapper_set_card_used:
move.l A0,-(SP) // callback
move.l D0,-(SP) // handle
jsr _pci_set_card_used
addq.l #8,SP
rts
/* Not implemented */
_wrapper_read_mem_byte:
move.l A0,-(SP) // pointer to data in memory
move.l D1,-(SP) // address to access (in PCI memory address space)
move.l D0,-(SP) // handle
jsr _pci_read_mem_byte
add.l #12,SP
rts
/* Not implemented */
_wrapper_read_mem_word:
move.l A0,-(SP) // pointer to data in memory
move.l D1,-(SP) // address to access (in PCI memory address space)
move.l D0,-(SP) // handle
jsr _pci_read_mem_word
add.l #12,SP
rts
/* Not implemented */
_wrapper_read_mem_longword:
move.l A0,-(SP) // pointer to data in memory
move.l D1,-(SP) // address to access (in PCI memory address space)
move.l D0,-(SP) // handle
jsr _pci_read_mem_longword
add.l #12,SP
rts
/* Not implemented */
_wrapper_fast_read_mem_byte:
move.l D1,-(SP) // address to access (in PCI memory address space)
move.l D0,-(SP) // handle
jsr _pci_read_mem_byte
addq.l #8,SP
rts
/* Not implemented */
_wrapper_fast_read_mem_word:
move.l D1,-(SP) // address to access (in PCI memory address space)
move.l D0,-(SP) // handle
jsr _pci_read_mem_word
addq.l #8,SP
rts
/* Not implemented */
_wrapper_fast_read_mem_longword:
move.l D1,-(SP) // address to access (in PCI memory address space)
move.l D0,-(SP) // handle
jsr _pci_read_mem_longword
addq.l #8,SP
rts
/* Not implemented */
_wrapper_write_mem_byte:
move.l D2,-(SP) // data to write
move.l D1,-(SP) // address to access (in PCI memory address space)
move.l D0,-(SP) // handle
jsr _pci_write_mem_byte
add.l #12,SP
rts
/* Not implemented */
_wrapper_write_mem_word:
move.l D2,-(SP) // data to write
move.l D1,-(SP) // address to access (in PCI memory address space)
move.l D0,-(SP) // handle
jsr _pci_write_mem_word
add.l #12,SP
rts
/* Not implemented */
_wrapper_write_mem_longword:
move.l D2,-(SP) // data to write
move.l D1,-(SP) // address to access (in PCI memory address space)
move.l D0,-(SP) // handle
jsr _pci_write_mem_longword
add.l #12,SP
rts
/* Not implemented */
_wrapper_read_io_byte:
move.l A0,-(SP) // pointer to data in memory
move.l D1,-(SP) // address to access (in PCI I/O address space)
move.l D0,-(SP) // handle
jsr _pci_read_io_byte
add.l #12,SP
rts
/* Not implemented */
_wrapper_read_io_word:
move.l A0,-(SP) // pointer to data in memory
move.l D1,-(SP) // address to access (in PCI I/O address space)
move.l D0,-(SP) // handle
jsr _pci_read_io_word
add.l #12,SP
rts
/* Not implemented */
_wrapper_read_io_longword:
move.l A0,-(SP) // pointer to data in memory
move.l D1,-(SP) // address to access (in PCI I/O address space)
move.l D0,-(SP) // handle
jsr _pci_read_io_longword
add.l #12,SP
rts
/* Not implemented */
_wrapper_fast_read_io_byte:
move.l D1,-(SP) // address to access (in PCI I/O address space)
move.l D0,-(SP) // handle
jsr _pci_read_io_byte
addq.l #8,SP
rts
/* Not implemented */
_wrapper_fast_read_io_word:
move.l D1,-(SP) // address to access (in PCI I/O address space)
move.l D0,-(SP) // handle
jsr _pci_read_io_word
addq.l #8,SP
rts
/* Not implemented */
_wrapper_fast_read_io_longword:
move.l D1,-(SP) // address to access (in PCI I/O address space)
move.l D0,-(SP) // handle
jsr _pci_read_io_longword
addq.l #8,SP
rts
/* Not implemented */
_wrapper_write_io_byte:
move.l D2,-(SP) // data to write
move.l D1,-(SP) // address to access (in PCI I/O address space)
move.l D0,-(SP) // handle
jsr _pci_write_io_byte
add.l #12,SP
rts
/* Not implemented */
_wrapper_write_io_word:
move.l D2,-(SP) // data to write
move.l D1,-(SP) // address to access (in PCI I/O address space)
move.l D0,-(SP) // handle
jsr _pci_write_io_word
add.l #12,SP
rts
/* Not implemented */
_wrapper_write_io_longword:
move.l D2,-(SP) // data to write
move.l D1,-(SP) // address to access (in PCI I/O address space)
move.l D0,-(SP) // handle
jsr _pci_write_io_longword
add.l #12,SP
rts
/* Not implemented */
_wrapper_get_machine_id:
jsr _pci_get_machine_id
rts
/* Not implemented */
_wrapper_get_pagesize:
jsr _pci_get_pagesize
rts
/* Not implemented */
_wrapper_virt_to_bus:
move.l A0,-(SP) // ptr
move.l D1,-(SP) // address in virtual CPU space
move.l D0,-(SP) // handle
jsr _pci_virt_to_bus
add.l #12,SP
rts
/* Not implemented */
_wrapper_bus_to_virt:
move.l A0,-(SP) // ptr
move.l D1,-(SP) // PCI bus address
move.l D0,-(SP) // handle
jsr _pci_bus_to_virt
add.l #12,SP
rts
/* Not implemented */
_wrapper_virt_to_phys:
move.l A0,-(SP) // ptr
move.l D0,-(SP) // address in virtual CPU space
jsr _pci_virt_to_phys
addq.l #8,SP
rts
/* Not implemented */
_wrapper_phys_to_virt:
move.l A0,-(SP) // ptr
move.l D0,-(SP) // physical CPU address
jsr _pci_phys_to_virt
addq.l #8,SP
rts

View File

@@ -44,13 +44,11 @@
*
*/
#include "bas_types.h"
#include "bas_printf.h"
#include "radeonfb.h"
#define DBG_RADEON
#ifdef DBG_RADEON
#define dbg(format, arg...) do { xprintf("DEBUG %s(): " format, __FUNCTION__, ##arg); } while (0)
#define dbg(format, arg...) do { xprintf("DEBUG: " format, ##arg); } while (0)
#else
#define dbg(format, arg...) do { ; } while (0)
#endif /* DBG_RADEON */
@@ -68,20 +66,20 @@
#define CURSOR_SWAPPING_DECL_MMIO
#define CURSOR_SWAPPING_DECL unsigned long __surface_cntl=0;
#define CURSOR_SWAPPING_START() \
if (rinfo->big_endian) \
if(rinfo->big_endian) \
OUTREG(SURFACE_CNTL, \
((__surface_cntl = INREG(SURFACE_CNTL)) | \
NONSURF_AP0_SWP_32BPP) & \
~NONSURF_AP0_SWP_16BPP);
#define CURSOR_SWAPPING_END() \
if (rinfo->big_endian) \
if(rinfo->big_endian) \
(OUTREG(SURFACE_CNTL, __surface_cntl));
/* Set cursor foreground and background colors */
void radeon_set_cursor_colors(struct fb_info *info, int bg, int fg)
{
struct radeonfb_info *rinfo = info->par;
unsigned long *pixels = (unsigned long *)((unsigned long) rinfo->fb_base + rinfo->cursor_start);
unsigned long *pixels = (unsigned long *)((unsigned long) rinfo->fb_base+rinfo->cursor_start);
int pixel, i;
CURSOR_SWAPPING_DECL_MMIO
CURSOR_SWAPPING_DECL
@@ -90,17 +88,15 @@ void radeon_set_cursor_colors(struct fb_info *info, int bg, int fg)
fg |= 0xff000000;
bg |= 0xff000000;
/* Don't recolour the image if we don't have to. */
if (fg == rinfo->cursor_fg && bg == rinfo->cursor_bg)
if(fg == rinfo->cursor_fg && bg == rinfo->cursor_bg)
return;
CURSOR_SWAPPING_START();
/*
* Note: We assume that the pixels are either fully opaque or fully
/* Note: We assume that the pixels are either fully opaque or fully
* transparent, so we won't premultiply them, and we can just
* check for non-zero pixel values; those are either fg or bg
*/
for (i = 0; i < CURSOR_WIDTH * CURSOR_HEIGHT; i++, pixels++)
if ((pixel = *pixels))
for(i = 0; i < CURSOR_WIDTH * CURSOR_HEIGHT; i++, pixels++)
if((pixel = *pixels))
*pixels = (pixel == rinfo->cursor_fg) ? fg : bg;
CURSOR_SWAPPING_END();
rinfo->cursor_fg = fg;
@@ -116,30 +112,27 @@ void radeon_set_cursor_position(struct fb_info *info, int x, int y)
struct fb_var_screeninfo *mode = &info->var;
int xorigin = 0;
int yorigin = 0;
if (mode->vmode & FB_VMODE_DOUBLE)
if(mode->vmode & FB_VMODE_DOUBLE)
y <<= 1;
if (x < 0)
if(x < 0)
xorigin = 1 - x;
if (y < 0)
if(y < 0)
yorigin = 1 - y;
// DPRINTVALHEX("radeonfb: RADEONSetCursorPosition: cursor_start ",rinfo->cursor_start);
// DPRINTVAL(" x ",x);
// DPRINTVAL(" y ",y);
// DPRINT("\r\n");
OUTREG(CUR_HORZ_VERT_OFF, (CUR_LOCK | (xorigin << 16) | yorigin));
OUTREG(CUR_HORZ_VERT_POSN, (CUR_LOCK | ((xorigin ? 0 : x) << 16) | (yorigin ? 0 : y)));
OUTREG(CUR_OFFSET, rinfo->cursor_start + yorigin * 256);
rinfo->cursor_x = (unsigned long)x;
if (mode->vmode & FB_VMODE_DOUBLE)
rinfo->cursor_y = (unsigned long) y >> 1;
if(mode->vmode & FB_VMODE_DOUBLE)
rinfo->cursor_y = (unsigned long)y >> 1;
else
rinfo->cursor_y = (unsigned long) y;
rinfo->cursor_y = (unsigned long)y;
}
/*
* Copy cursor image from `image' to video memory. RADEONSetCursorPosition
/* Copy cursor image from `image' to video memory. RADEONSetCursorPosition
* will be called after this, so we can ignore xorigin and yorigin.
*/
void radeon_load_cursor_image(struct fb_info *info, unsigned short *mask, unsigned short *data, int zoom)
@@ -150,14 +143,11 @@ void radeon_load_cursor_image(struct fb_info *info, unsigned short *mask, unsign
unsigned short chunk, mchunk;
unsigned long i, j, k;
CURSOR_SWAPPING_DECL
// DPRINTVALHEX("radeonfb: RADEONLoadCursorImage: cursor_start ",rinfo->cursor_start);
// DPRINT("\r\n");
// DPRINT("\r\n");
save = INREG(CRTC_GEN_CNTL) & ~(unsigned long) (3 << 20);
save |= (unsigned long) (2 << 20);
OUTREG(CRTC_GEN_CNTL, save & (unsigned long)~CRTC_CUR_EN);
/*
* Convert the bitmap to ARGB32.
*/
@@ -167,22 +157,22 @@ void radeon_load_cursor_image(struct fb_info *info, unsigned short *mask, unsign
{
case 1:
default:
for (i = 0; i < CURSOR_HEIGHT; i++)
for(i = 0; i < CURSOR_HEIGHT; i++)
{
if (i < 16)
if(i < 16)
{
mchunk = *mask++;
chunk = *data++;
}
else
mchunk = chunk = 0;
for (j = 0; j < CURSOR_WIDTH / ARGB_PER_CHUNK; j++)
for(j = 0; j < CURSOR_WIDTH / ARGB_PER_CHUNK; j++)
{
for (k = 0; k < ARGB_PER_CHUNK; k++, chunk <<= 1, mchunk <<= 1)
for(k = 0; k < ARGB_PER_CHUNK; k++, chunk <<= 1, mchunk <<= 1)
{
if (mchunk & 0x8000)
if(mchunk & 0x8000)
{
if (chunk & 0x8000)
if(chunk & 0x8000)
*d++ = 0xff000000; /* Black, fully opaque. */
else
*d++ = 0xffffffff; /* White, fully opaque. */
@@ -194,13 +184,13 @@ void radeon_load_cursor_image(struct fb_info *info, unsigned short *mask, unsign
}
break;
case 2:
for (i = 0; i < CURSOR_HEIGHT; i++)
for(i = 0; i < CURSOR_HEIGHT; i++)
{
if (i < 16*2)
if(i < 16*2)
{
mchunk = *mask;
chunk = *data;
if ((i & 1) == 1)
if((i & 1) == 1)
{
mask++;
data++;
@@ -208,13 +198,13 @@ void radeon_load_cursor_image(struct fb_info *info, unsigned short *mask, unsign
}
else
mchunk = chunk = 0;
for (j = 0; j < CURSOR_WIDTH / ARGB_PER_CHUNK; j+=2)
for(j = 0; j < CURSOR_WIDTH / ARGB_PER_CHUNK; j+=2)
{
for (k = 0; k < ARGB_PER_CHUNK; k++, chunk <<= 1, mchunk <<= 1)
for(k = 0; k < ARGB_PER_CHUNK; k++, chunk <<= 1, mchunk <<= 1)
{
if (mchunk & 0x8000)
if(mchunk & 0x8000)
{
if (chunk & 0x8000)
if(chunk & 0x8000)
{
*d++ = 0xff000000; /* Black, fully opaque. */
*d++ = 0xff000000;
@@ -235,13 +225,13 @@ void radeon_load_cursor_image(struct fb_info *info, unsigned short *mask, unsign
}
break;
case 4:
for (i = 0; i < CURSOR_HEIGHT; i++)
for(i = 0; i < CURSOR_HEIGHT; i++)
{
if (i < 16 * 4)
if(i < 16*4)
{
mchunk = *mask;
chunk = *data;
if ((i & 3) == 3)
if((i & 3) == 3)
{
mask++;
data++;
@@ -249,13 +239,13 @@ void radeon_load_cursor_image(struct fb_info *info, unsigned short *mask, unsign
}
else
mchunk = chunk = 0;
for (j = 0; j < CURSOR_WIDTH / ARGB_PER_CHUNK; j+=4)
for(j = 0; j < CURSOR_WIDTH / ARGB_PER_CHUNK; j+=4)
{
for (k = 0; k < ARGB_PER_CHUNK; k++, chunk <<= 1, mchunk <<= 1)
for(k = 0; k < ARGB_PER_CHUNK; k++, chunk <<= 1, mchunk <<= 1)
{
if (mchunk & 0x8000)
if(mchunk & 0x8000)
{
if (chunk & 0x8000)
if(chunk & 0x8000)
{
*d++ = 0xff000000; /* Black, fully opaque. */
*d++ = 0xff000000;
@@ -292,7 +282,6 @@ void radeon_load_cursor_image(struct fb_info *info, unsigned short *mask, unsign
void radeon_hide_cursor(struct fb_info *info)
{
struct radeonfb_info *rinfo = info->par;
// DPRINT("radeonfb: RADEONHideCursor\r\n");
OUTREGP(CRTC_GEN_CNTL, 0, ~CRTC_CUR_EN);
rinfo->cursor_show = 0;
@@ -302,7 +291,6 @@ void radeon_hide_cursor(struct fb_info *info)
void radeon_show_cursor(struct fb_info *info)
{
struct radeonfb_info *rinfo = info->par;
// DPRINT("radeonfb: RADEONShowCursor\r\n");
OUTREGP(CRTC_GEN_CNTL, CRTC_CUR_EN, ~CRTC_CUR_EN);
rinfo->cursor_show = 1;
@@ -315,9 +303,9 @@ long radeon_cursor_init(struct fb_info *info)
int size_bytes = CURSOR_WIDTH * 4 * CURSOR_HEIGHT;
unsigned long fbarea = offscreen_alloc(rinfo->info, size_bytes + 256);
dbg("radeonfb: %s: fbarea: %p\r\n", fbarea);
dbg("radeonfb: %s: fbarea: %p\r\n", __FUNCTION__, fbarea);
if (!fbarea)
if(!fbarea)
rinfo->cursor_start = 0;
else
{

View File

@@ -96,20 +96,20 @@ static inline bool pic_rxready(void)
void write_pic_byte(uint8_t value)
{
/* Wait until the transmitter is ready or 1000us are passed */
/* Wait until the transmitter is ready or 1000us are passed */
waitfor(1000, pic_txready);
/* Transmit the byte */
*(volatile uint8_t*)(&MCF_PSC3_PSCTB_8BIT) = value; // Really 8-bit
/* Transmit the byte */
*(volatile uint8_t*)(&MCF_PSC3_PSCTB_8BIT) = value; // Really 8-bit
}
uint8_t read_pic_byte(void)
{
/* Wait until a byte has been received or 1000us are passed */
/* Wait until a byte has been received or 1000us are passed */
waitfor(1000, pic_rxready);
/* Return the received byte */
return *(volatile uint8_t*)(&MCF_PSC3_PSCTB_8BIT); // Really 8-bit
/* Return the received byte */
return *(volatile uint8_t*)(&MCF_PSC3_PSCTB_8BIT); // Really 8-bit
}
void pic_init(void)
@@ -271,13 +271,13 @@ void network_init(void)
return;
}
/*
* Register the DMA interrupt handler
*/
handler = dma_interrupt_handler;
vector = 112;
/*
* Register the DMA interrupt handler
*/
handler = dma_interrupt_handler;
vector = 112;
if (!isr_register_handler(vector, handler, NULL,NULL))
if (!isr_register_handler(vector, handler, NULL,NULL))
{
dbg("%s: Error: Unable to register handler for vector %s\r\n", __FUNCTION__, vector);
return;
@@ -291,10 +291,10 @@ void network_init(void)
memcpy(nif1.hwa, mac, 6);
memcpy(nif1.broadcast, bc, 6);
dbg("%s: ethernet address is %02X:%02X:%02X:%02X:%02X:%02X\r\n", __FUNCTION__,
dbg("%s: ethernet address is %02X:%02X:%02X:%02X:%02X:%02X\r\n", __FUNCTION__,
nif1.hwa[0], nif1.hwa[1], nif1.hwa[2],
nif1.hwa[3], nif1.hwa[4], nif1.hwa[5]);
timer_init(TIMER_NETWORK, TMR_INTC_LVL, TMR_INTC_PRI);
arp_init(&arp_info);
@@ -346,16 +346,16 @@ void BaS(void)
MCF_MMU_MMUCR = MCF_MMU_MMUCR_EN; /* MMU on */
NOP(); /* force pipeline sync */
xprintf("finished\r\n");
#ifdef MACHINE_FIREBEE
xprintf("IDE reset: ");
/* IDE reset */
* (volatile uint8_t *) (0xffff8802 - 2) = 14;
* (volatile uint8_t *) (0xffff8802 - 0) = 0x80;
wait(1);
* (volatile uint8_t *) (0xffff8802 - 0) = 0;
xprintf("finished\r\n");
xprintf("enable video: ");
/*
@@ -384,22 +384,22 @@ void BaS(void)
#ifdef _NOT_USED_
screen_init();
/* experimental */
{
int i;
uint32_t *scradr = 0xd00000;
/* experimental */
{
int i;
uint32_t *scradr = 0xd00000;
for (i = 0; i < 100; i++)
{
uint32_t *p = scradr;
for (i = 0; i < 100; i++)
{
uint32_t *p = scradr;
for (p = scradr; p < scradr + 1024 * 150L; p++)
{
for (p = scradr; p < scradr + 1024 * 150L; p++)
{
*p = 0xffffffff;
}
}
for (p = scradr; p < scradr + 1024 * 150L; p++)
{
{
*p = 0x0;
}
}
@@ -442,11 +442,10 @@ void BaS(void)
/* Jump into the OS */
typedef void void_func(void);
struct rom_header
{
typedef struct {
void *initial_sp;
void_func *initial_pc;
};
} ROM_HEADER;
xprintf("BaS initialization finished, enable interrupts\r\n");
enable_coldfire_interrupts();
@@ -455,6 +454,6 @@ void BaS(void)
network_init();
xprintf("call EmuTOS\r\n");
struct rom_header *os_header = (struct rom_header *) TOS;
ROM_HEADER* os_header = (ROM_HEADER*)TOS;
os_header->initial_pc();
}

File diff suppressed because it is too large Load Diff

View File

@@ -33,16 +33,10 @@
#define FPGA_DATA0 (1 << 3)
#define FPGA_CONF_DONE (1 << 5)
extern uint8_t _FPGA_CONFIG[];
#define FPGA_FLASH_DATA &_FPGA_CONFIG[0]
extern uint8_t _FPGA_CONFIG_SIZE[];
#define FPGA_FLASH_DATA_SIZE ((uint32_t) &_FPGA_CONFIG_SIZE[0])
/*
* flag located in processor SRAM1 that indicates that the FPGA configuration has
* been loaded through JTAG. init_fpga() will honour this and not overwrite config.
*/
extern int32_t _FPGA_JTAG_LOADED;
extern uint8_t _FPGA_FLASH_DATA[];
#define FPGA_FLASH_DATA &_FPGA_FLASH_DATA[0]
extern uint8_t _FPGA_FLASH_DATA_SIZE[];
#define FPGA_FLASH_DATA_SIZE ((uint32_t) &_FPGA_FLASH_DATA_SIZE[0])
void config_gpio_for_fpga_config(void)
{
@@ -84,15 +78,7 @@ bool init_fpga(void)
volatile int32_t time, start, end;
int i;
xprintf("FPGA load config (_FPGA_JTAG_LOADED = %x)...", _FPGA_JTAG_LOADED);
if (_FPGA_JTAG_LOADED == 1)
{
xprintf("detected _FPGA_JTAG_LOADED flag. Not overwriting FPGA config.\r\n");
/* reset the flag so that next boot will load config again from flash */
_FPGA_JTAG_LOADED = 0;
return true;
}
xprintf("FPGA load config... ");
start = MCF_SLT0_SCNT;
config_gpio_for_fpga_config();

667
sys/mmu.c
View File

@@ -24,26 +24,6 @@
* Copyright 2013 M. Froeschle
*/
#define ACR_BA(x) ((x) & 0xffff0000)
#define ACR_ADMSK(x) (((x) & 0xffff) << 16)
#define ACR_E(x) (((x) & 1) << 15)
#define ACR_S(x) (((x) & 3) << 13)
#define ACR_S_USERMODE 0
#define ACR_S_SUPERVISOR_MODE 1
#define ACR_S_ALL 2
#define ACR_AMM(x) (((x) & 1) << 10)
#define ACR_CM(x) (((x) & 3) << 5)
#define ACR_CM_CACHEABLE_WT 0x0
#define ACR_CM_CACHEABLE_CB 0x1
#define ACR_CM_CACHE_INH_PRECISE 0x2
#define ACR_CM_CACHE_INH_IMPRECISE 0x3
#define ACR_SP(x) (((x) & 1) << 3)
#define ACR_W(x) (((x) & 1) << 2)
#include <stdint.h>
#include "bas_printf.h"
#include "bas_types.h"
@@ -62,12 +42,12 @@
#error "unknown machine!"
#endif /* MACHINE_FIREBEE */
//#define DEBUG_MMU
#ifdef DEBUG_MMU
#define dbg(format, arg...) do { xprintf("DEBUG: " format, ##arg);} while(0)
#define DBG_MMU
#ifdef DBG_MMU
#define dbg(format, arg...) do { xprintf("DEBUG %s(): " format, __FUNCTION__, ##arg);} while(0)
#else
#define dbg(format, arg...) do {;} while (0)
#endif /* DEBUG_MMU */
#endif /* DBG_MMU */
/*
* set ASID register
@@ -79,11 +59,11 @@ inline uint32_t set_asid(uint32_t value)
uint32_t ret = rt_asid;
__asm__ __volatile__(
"movec %[value],ASID\n\t"
: /* no output */
: [value] "r" (value)
:
);
"movec %[value],ASID\n\t"
: /* no output */
: [value] "r" (value)
:
);
rt_asid = value;
@@ -101,11 +81,11 @@ inline uint32_t set_acr0(uint32_t value)
uint32_t ret = rt_acr0;
__asm__ __volatile__(
"movec %[value],ACR0\n\t"
: /* not output */
: [value] "r" (value)
:
);
"movec %[value],ACR0\n\t"
: /* not output */
: [value] "r" (value)
:
);
rt_acr0 = value;
return ret;
@@ -121,11 +101,11 @@ inline uint32_t set_acr1(uint32_t value)
uint32_t ret = rt_acr1;
__asm__ __volatile__(
"movec %[value],ACR1\n\t"
: /* not output */
: [value] "r" (value)
:
);
"movec %[value],ACR1\n\t"
: /* not output */
: [value] "r" (value)
:
);
rt_acr1 = value;
return ret;
@@ -142,11 +122,11 @@ inline uint32_t set_acr2(uint32_t value)
uint32_t ret = rt_acr2;
__asm__ __volatile__(
"movec %[value],ACR2\n\t"
: /* not output */
: [value] "r" (value)
:
);
"movec %[value],ACR2\n\t"
: /* not output */
: [value] "r" (value)
:
);
rt_acr2 = value;
return ret;
@@ -162,11 +142,11 @@ inline uint32_t set_acr3(uint32_t value)
uint32_t ret = rt_acr3;
__asm__ __volatile__(
"movec %[value],ACR3\n\t"
: /* not output */
: [value] "r" (value)
:
);
"movec %[value],ACR3\n\t"
: /* not output */
: [value] "r" (value)
:
);
rt_acr3 = value;
return ret;
@@ -178,277 +158,376 @@ inline uint32_t set_mmubar(uint32_t value)
uint32_t ret = rt_mmubar;
__asm__ __volatile__(
"movec %[value],MMUBAR\n\t"
: /* no output */
: [value] "r" (value)
: /* no clobber */
);
"movec %[value],MMUBAR\n\t"
: /* no output */
: [value] "r" (value)
: /* no clobber */
);
rt_mmubar = value;
NOP();
return ret;
}
/*
* TODO: this would be nicer in an include file
*/
extern uint8_t _SYS_SRAM[];
#define SYS_SRAM_ADDRESS ((uint32_t) &_SYS_SRAM[0])
extern uint8_t _SYS_SRAM_SIZE[];
extern uint8_t _FASTRAM_END[];
struct mmu_mapping
{
uint32_t phys;
uint32_t virt;
uint32_t length;
uint32_t pagesize;
struct map_flags flags;
};
static struct mmu_mapping locked_map[] =
{
{
/* Falcon video memory. Needs special care */
0x60d00000,
0xd00000,
0x100000,
MMU_PAGE_SIZE_1M,
{ CACHE_WRITETHROUGH, SV_USER, SCA_PAGE_ID, ACCESS_READ | ACCESS_WRITE | ACCESS_EXECUTE },
},
};
static int num_locked_mmu_maps = sizeof(locked_map) / sizeof(struct mmu_mapping);
static struct mmu_mapping memory_map[] =
{
/* map OS system vectors supervisor-protected */
{
0,
0,
0x800,
MMU_PAGE_SIZE_1K,
{ CACHE_WRITETHROUGH, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE | ACCESS_EXECUTE },
},
{
0x800,
0x800,
0x800,
MMU_PAGE_SIZE_1K,
{ CACHE_WRITETHROUGH, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE | ACCESS_EXECUTE },
},
{
/* when the first 4k are filled with 1k pages, we can switch to 8k pages */
0x1000,
0x1000,
0xff000,
MMU_PAGE_SIZE_8K,
{ CACHE_WRITETHROUGH, SV_USER, 0, ACCESS_READ | ACCESS_WRITE | ACCESS_EXECUTE },
},
{
/* arrived at a 1Meg border, we can switch to 1Meg pages */
0x100000,
0x100000,
0xc00000,
MMU_PAGE_SIZE_1M,
{ CACHE_WRITETHROUGH, SV_USER, 0, ACCESS_READ | ACCESS_WRITE | ACCESS_EXECUTE },
},
/* Falcon video ram left out intentionally here (see above) */
{
/* ROM */
0xe00000,
0xe00000,
0x100000,
MMU_PAGE_SIZE_1M,
{ CACHE_WRITETHROUGH, SV_USER, 0, ACCESS_READ | ACCESS_EXECUTE },
},
{
/* FASTRAM */
0x1000000,
0x1000000,
(uint32_t) _FASTRAM_END - 0x1000000,
MMU_PAGE_SIZE_1M,
{ CACHE_WRITETHROUGH, SV_USER, 0, ACCESS_READ | ACCESS_WRITE | ACCESS_EXECUTE },
},
{
/* MBAR */
MBAR_ADDRESS,
MBAR_ADDRESS,
0x100000,
MMU_PAGE_SIZE_1M,
{ CACHE_NOCACHE_PRECISE, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE },
},
{
/* RAMBAR0 */
RAMBAR0_ADDRESS,
RAMBAR0_ADDRESS,
(uint32_t) _RAMBAR0_SIZE,
MMU_PAGE_SIZE_1K,
{ CACHE_WRITETHROUGH, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE | ACCESS_EXECUTE },
},
{
/* RAMBAR1 */
RAMBAR1_ADDRESS,
RAMBAR1_ADDRESS,
(uint32_t) _RAMBAR1_SIZE,
MMU_PAGE_SIZE_1K,
{ CACHE_WRITETHROUGH, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE | ACCESS_EXECUTE },
},
{
/* SYSTEM SRAM */
SYS_SRAM_ADDRESS,
SYS_SRAM_ADDRESS,
(uint32_t) _SYS_SRAM_SIZE,
MMU_PAGE_SIZE_8K,
{ CACHE_WRITETHROUGH, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE | ACCESS_EXECUTE },
},
{
/* Firebee FPGA registers */
(uint32_t) 0xf0000000,
(uint32_t) 0xf0000000,
(uint32_t) 0x08000000,
MMU_PAGE_SIZE_1M,
{ CACHE_NOCACHE_PRECISE, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE },
},
{
/* Falcon I/O registers */
(uint32_t) 0xfff00000,
(uint32_t) 0xfff00000,
(uint32_t) 0x100000,
MMU_PAGE_SIZE_1M,
{ CACHE_NOCACHE_PRECISE, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE },
},
{
/* the same, but different virtual address */
(uint32_t) 0x00f00000,
(uint32_t) 0xfff00000,
(uint32_t) 0x100000,
MMU_PAGE_SIZE_1M,
{ CACHE_NOCACHE_PRECISE, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE },
},
{
/* PCI memory */
(uint32_t) PCI_MEMORY_OFFSET,
(uint32_t) PCI_MEMORY_OFFSET,
(uint32_t) PCI_MEMORY_SIZE,
MMU_PAGE_SIZE_1M,
{ CACHE_NOCACHE_PRECISE, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE },
},
{
/* PCI I/O */
(uint32_t) PCI_IO_OFFSET,
(uint32_t) PCI_IO_OFFSET,
(uint32_t) PCI_IO_SIZE,
MMU_PAGE_SIZE_1M,
{ CACHE_NOCACHE_PRECISE, SV_PROTECT, 0, ACCESS_READ | ACCESS_WRITE },
}
};
static int num_mmu_maps = sizeof(memory_map) / sizeof(struct mmu_mapping);
static struct mmu_mapping *lookup_mapping(uint32_t virt)
{
int i;
/*
* dumb, for now
*/
for (i = 0; i < num_mmu_maps; i++)
{
if (virt >= memory_map[i].virt && virt <= memory_map[i].virt + memory_map[i].length - 1)
return &memory_map[i];
}
return NULL;
}
void mmu_init(void)
{
extern uint8_t _MMUBAR[];
uint32_t MMUBAR = (uint32_t) &_MMUBAR[0];
extern uint8_t _TOS[];
uint32_t TOS = (uint32_t) &_TOS[0];
int i;
set_asid(0); /* do not use address extension (ASID provides virtual 48 bit addresses */
/* set data access attributes in ACR0 and ACR1 */
set_acr0(ACR_W(0) | /* read and write accesses permitted */
ACR_SP(0) | /* supervisor and user mode access permitted */
ACR_CM(ACR_CM_CACHE_INH_PRECISE) | /* cache inhibit, precise */
ACR_AMM(0) | /* control region > 16 MB */
ACR_S(ACR_S_ALL) | /* match addresses in user and supervisor mode */
ACR_E(1) | /* enable ACR */
#if defined(MACHINE_FIREBEE)
ACR_ADMSK(0x7f) | /* cover 2GB area from 0x80000000 to 0xffffffff */
ACR_BA(0x80000000)); /* (equals area from 3 to 4 GB */
#elif defined(MACHINE_M5484LITE)
ACR_ADMSK(0x7f) | /* cover 2 GB area from 0x80000000 to 0xffffffff */
ACR_BA(0x80000000));
#elif defined(MACHINE_M54455)
ACR_ADMSK(0x7f) |
ACR_BA(0x80000000)); /* FIXME: not determined yet */
#else
#error unknown machine!
#endif /* MACHINE_FIREBEE */
/*
* need to set data ACRs in a way that supervisor access to all memory regions
* becomes possible. Otherways it might be that the supervisor stack ends up in an unmapped
* region when further MMU TLB entries force a page steal. This would lead to a double
* fault since the CPU wouldn't be able to push its exception stack frame during an access
* exception
*/
// set_acr1(0x601fc000);
set_acr1(ACR_W(0) |
ACR_SP(0) |
ACR_CM(0) |
#if defined(MACHINE_FIREBEE)
ACR_CM(ACR_CM_CACHEABLE_WT) | /* video RAM on the Firebee */
#elif defined(MACHINE_M5484LITE)
ACR_CM(ACR_CM_CACHE_INH_PRECISE) | /* Compact Flash on the M548xLITE */
#elif defined(MACHINE_M54455)
ACR_CM(ACR_CM_CACHE_INH_PRECISE) | /* FIXME: not determined yet */
#else
#error unknown machine!
#endif /* MACHINE_FIREBEE */
ACR_AMM(0) |
ACR_S(ACR_S_ALL) |
/* set data access attributes in ACR0 and ACR1 */
set_acr0(ACR_WRITE_PROTECT(0) | /* read and write accesses permitted */
ACR_SUPERVISOR_PROTECT(0) | /* supervisor and user mode access permitted */
ACR_CACHE_MODE(CACHE_WRITETHROUGH) | /* cacheable, write through */
ACR_ADDRESS_MASK_MODE(1) | /* region 13 MByte */
ACR_S(ACR_S_SUPERVISOR_MODE) | /* memory only visible from supervisor mode */
ACR_E(1) | /* enable ACR */
ACR_ADMSK(0x0a) | /* cover 12 MByte from 0x0 */
ACR_BA(0)); /* start from 0x0 */
set_acr1(ACR_WRITE_PROTECT(0) | /* read and write accesses permitted */
ACR_SUPERVISOR_PROTECT(0) | /* supervisor and user mode access permitted */
ACR_CACHE_MODE(CACHE_WRITETHROUGH) | /* cacheable, write through */
ACR_ADDRESS_MASK_MODE(0) | /* region > 16 MByte */
ACR_S(ACR_S_SUPERVISOR_MODE) | /* memory only visible from supervisor mode */
ACR_E(1) | /* enable ACR */
ACR_ADMSK(0x1f) | /* cover 495 MByte from 0x1000000 */
ACR_BA(0x01000000)); /* all Fast RAM */
/*
* set instruction access attributes in ACR2 and ACR3. This is the same as above, basically:
* enable supervisor access to all SDRAM
*/
set_acr2(ACR_WRITE_PROTECT(0) |
ACR_SUPERVISOR_PROTECT(0) |
ACR_CACHE_MODE(CACHE_WRITETHROUGH) |
ACR_ADDRESS_MASK_MODE(1) |
ACR_S(ACR_S_SUPERVISOR_MODE) |
ACR_E(1) |
ACR_ADMSK(0x0c) |
ACR_BA(0x0));
set_acr3(ACR_WRITE_PROTECT(0) |
ACR_SUPERVISOR_PROTECT(0) |
ACR_CACHE_MODE(CACHE_WRITETHROUGH) |
ACR_ADDRESS_MASK_MODE(0) |
ACR_S(ACR_S_SUPERVISOR_MODE) |
ACR_E(1) |
ACR_ADMSK(0x1f) |
ACR_BA(0x60000000));
/* set instruction access attributes in ACR2 and ACR3 */
//set_acr2(0xe007c400);
set_acr2(ACR_W(0) |
ACR_SP(0) |
ACR_CM(0) |
ACR_CM(ACR_CM_CACHEABLE_WT) |
ACR_AMM(1) |
ACR_S(ACR_S_ALL) |
ACR_E(1) |
ACR_ADMSK(0x7) |
ACR_BA(0xe0000000));
/* disable ACR3 */
set_acr3(0x0);
ACR_BA(0x0f));
set_mmubar(MMUBAR + 1); /* set and enable MMUBAR */
/* clear all MMU TLB entries */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_CA;
/* create locked TLB entries */
/*
* 0x0000'0000 - 0x000F'FFFF (first MB of physical memory) locked virtual = physical
*/
MCF_MMU_MMUTR = 0x0 | /* virtual address */
MCF_MMU_MMUTR_SG | /* shared global */
MCF_MMU_MMUTR_V; /* valid */
MCF_MMU_MMUDR = 0x0 | /* physical address */
MCF_MMU_MMUDR_SZ(0) | /* 1 MB page size */
MCF_MMU_MMUDR_CM(0x1) | /* cacheable, copyback */
MCF_MMU_MMUDR_R | /* read access enable */
MCF_MMU_MMUDR_W | /* write access enable */
MCF_MMU_MMUDR_X | /* execute access enable */
MCF_MMU_MMUDR_LK; /* lock entry */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ACC | /* access TLB, data */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ITLB | /* instruction */
MCF_MMU_MMUOR_ACC | /* access TLB */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
/*
* 0x00d0'0000 - 0x00df'ffff (last megabyte of ST RAM = Falcon video memory) locked ID = 6
* mapped to physical address 0x60d0'0000 (FPGA video memory)
* video RAM: read write execute normal write true
*/
MCF_MMU_MMUTR = 0x00d00000 | /* virtual address */
#if defined(MACHINE_FIREBEE)
MCF_MMU_MMUTR_ID(SCA_PAGE_ID) |
#endif /* MACHINE_FIREBEE */
MCF_MMU_MMUTR_SG | /* shared global */
MCF_MMU_MMUTR_V; /* valid */
#if defined(MACHINE_FIREBEE)
/* map FPGA video memory for FireBee only */
MCF_MMU_MMUDR = 0x60d00000 | /* physical address */
#elif defined(MACHINE_M5484LITE)
MCF_MMU_MMUDR = 0x00d00000 | /* physical address */
#elif defined(MACHINE_M54455)
MCF_MMU_MMUDR = 0x60d00000 | /* FIXME: not determined yet */
#else
#error unknown machine!
#endif /* MACHINE_FIREBEE */
MCF_MMU_MMUDR_SZ(0) | /* 1 MB page size */
MCF_MMU_MMUDR_CM(0x0) | /* cachable writethrough */
/* caveat: can't be supervisor protected since TOS puts the application stack there! */
//MCF_MMU_MMUDR_SP | /* supervisor protect */
MCF_MMU_MMUDR_R | /* read access enable */
MCF_MMU_MMUDR_W | /* write access enable */
MCF_MMU_MMUDR_X | /* execute access enable */
MCF_MMU_MMUDR_LK; /* lock entry */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ACC | /* access TLB, data */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ITLB | /* instruction */
MCF_MMU_MMUOR_ACC | /* access TLB */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
#if defined(MACHINE_FIREBEE)
video_tlb = 0x2000; /* set page as video page */
video_sbt = 0x0; /* clear time */
#endif /* MACHINE_FIREBEE */
/*
* Make the TOS (in SDRAM) read-only
* This maps virtual 0x00e0'0000 - 0x00ef'ffff to the same virtual address
*/
MCF_MMU_MMUTR = TOS | /* virtual address */
MCF_MMU_MMUTR_SG | /* shared global */
MCF_MMU_MMUTR_V; /* valid */
MCF_MMU_MMUDR = TOS | /* physical address */
MCF_MMU_MMUDR_SZ(0) | /* 1 MB page size */
MCF_MMU_MMUDR_CM(0x1) | /* cachable copyback */
MCF_MMU_MMUDR_R | /* read access enable */
//MCF_MMU_MMUDR_W | /* write access enable (FIXME: for now) */
MCF_MMU_MMUDR_X | /* execute access enable */
MCF_MMU_MMUDR_LK; /* lock entry */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ACC | /* access TLB, data */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ITLB | /* instruction */
MCF_MMU_MMUOR_ACC | /* access TLB */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
#if MACHINE_FIREBEE
/*
* Map FireBee I/O area (0xfff0'0000 - 0xffff'ffff physical) to the Falcon-compatible I/O
* area (0x00f0'0000 - 0x00ff'ffff virtual) for the FireBee
*/
MCF_MMU_MMUTR = 0x00f00000 | /* virtual address */
MCF_MMU_MMUTR_SG | /* shared global */
MCF_MMU_MMUTR_V; /* valid */
MCF_MMU_MMUDR = 0xfff00000 | /* physical address */
MCF_MMU_MMUDR_SZ(0) | /* 1 MB page size */
MCF_MMU_MMUDR_CM(0x2) | /* nocache precise */
MCF_MMU_MMUDR_SP | /* supervisor protect */
MCF_MMU_MMUDR_R | /* read access enable */
MCF_MMU_MMUDR_W | /* write access enable */
MCF_MMU_MMUDR_X | /* execute access enable */
MCF_MMU_MMUDR_LK; /* lock entry */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ACC | /* access TLB, data */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ITLB | /* instruction */
MCF_MMU_MMUOR_ACC | /* access TLB */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
#endif /* MACHINE_FIREBEE */
/*
* Map (locked) the second last MB of physical SDRAM (this is where BaS .data and .bss reside) to the same
* virtual address. This is also used when BaS is in RAM
*/
MCF_MMU_MMUTR = (SDRAM_START + SDRAM_SIZE - 0x00200000) | /* virtual address */
MCF_MMU_MMUTR_SG | /* shared global */
MCF_MMU_MMUTR_V; /* valid */
MCF_MMU_MMUDR = (SDRAM_START + SDRAM_SIZE - 0x00200000) | /* physical address */
MCF_MMU_MMUDR_SZ(0) | /* 1 MB page size */
MCF_MMU_MMUDR_CM(0x0) | /* cacheable writethrough */
MCF_MMU_MMUDR_SP | /* supervisor protect */
MCF_MMU_MMUDR_R | /* read access enable */
MCF_MMU_MMUDR_W | /* write access enable */
MCF_MMU_MMUDR_X | /* execute access enable */
MCF_MMU_MMUDR_LK; /* lock entry */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ACC | /* access TLB, data */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ITLB | /* instruction */
MCF_MMU_MMUOR_ACC | /* access TLB */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
/*
* Map (locked) the very last MB of physical SDRAM (this is where the driver buffers reside) to the same
* virtual address. Used uncached for drivers.
*/
MCF_MMU_MMUTR = (SDRAM_START + SDRAM_SIZE - 0x00100000) | /* virtual address */
MCF_MMU_MMUTR_SG | /* shared global */
MCF_MMU_MMUTR_V; /* valid */
MCF_MMU_MMUDR = (SDRAM_START + SDRAM_SIZE - 0x00100000) | /* physical address */
MCF_MMU_MMUDR_SZ(0) | /* 1 MB page size */
MCF_MMU_MMUDR_CM(0x2) | /* nocache precise */
MCF_MMU_MMUDR_SP | /* supervisor protect */
MCF_MMU_MMUDR_R | /* read access enable */
MCF_MMU_MMUDR_W | /* write access enable */
//MCF_MMU_MMUDR_X | /* execute access enable */
MCF_MMU_MMUDR_LK; /* lock entry */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ACC | /* access TLB, data */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ITLB | /* instruction */
MCF_MMU_MMUOR_ACC | /* access TLB */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
}
void mmutr_miss(uint32_t address)
{
dbg("MMU TLB MISS at 0x%08x\r\n", address);
flush_and_invalidate_caches();
switch (address)
/* map locked TLB entries */
for (i = 0; i < num_locked_mmu_maps; i++)
{
case keyctl:
case keybd:
/* do something to emulate the IKBD access */
dbg("IKBD access\r\n");
break;
mmu_map_page(locked_map[i].virt, locked_map[i].phys, locked_map->pagesize, locked_map->flags);
case midictl:
case midi:
/* do something to emulate MIDI access */
dbg("MIDI ACIA access\r\n");
break;
default:
/* add missed page to TLB */
MCF_MMU_MMUTR = (address & 0xfff00000) | /* virtual aligned to 1M */
MCF_MMU_MMUTR_SG | /* shared global */
MCF_MMU_MMUTR_V; /* valid */
MCF_MMU_MMUDR = (address & 0xfff00000) | /* physical aligned to 1M */
MCF_MMU_MMUDR_SZ(0) | /* 1 MB page size */
MCF_MMU_MMUDR_CM(0x1) | /* cacheable copyback */
MCF_MMU_MMUDR_R | /* read access enable */
MCF_MMU_MMUDR_W | /* write access enable */
MCF_MMU_MMUDR_X; /* execute access enable */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ACC | /* access TLB, data */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ITLB | /* instruction */
MCF_MMU_MMUOR_ACC | /* access TLB */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
if (locked_map[i].flags.page_id == SCA_PAGE_ID)
{
video_tlb = 0x2000;
video_sbt = 0x0;
}
}
}
/*
* handle an access error
* upper level routine called from access_exception inside exceptions.S
*/
bool access_exception(uint32_t pc, uint32_t format_status)
{
int fault_status;
uint32_t fault_address;
uint32_t mmu_status;
/*
* extract fault status from format_status exception stack field
*/
fault_status = format_status & 0xc030000;
mmu_status = MCF_MMU_MMUSR;
/*
* determine if access fault was caused by a TLB miss
*/
switch (fault_status)
{
case 0x4010000: /* TLB miss on opword of instruction fetch */
case 0x4020000: /* TLB miss on extension word of instruction fetch */
//fault_address = pc;
//break;
case 0x8020000: /* TLB miss on data write */
case 0xc020000: /* TLB miss on data read or read-modify-write */
fault_address = MCF_MMU_MMUAR;
/*
* the following line must stay commented or we risk a double fault (debugging
* output requiring itself a page mapping):
*/
// dbg("access fault - TLB miss at %p. Fault status = 0x0%x\r\n", pc, fault_status);
break;
default:
return false;
}
if (mmu_status & MCF_MMU_MMUSR_HIT) /* did the last fault hit in TLB? */
{
/*
* if yes, then we already mapped that page during a previous turn and this is in fact a bus error
*/
return false;
}
else
{
struct mmu_mapping *map;
if ((map = lookup_mapping(fault_address)) != NULL)
{
uint32_t mask;
switch (map->pagesize)
{
case MMU_PAGE_SIZE_1M:
mask = ~(0x100000 - 1);
break;
case MMU_PAGE_SIZE_4K:
mask = ~(0x1000 - 1);
break;
case MMU_PAGE_SIZE_8K:
mask = ~(0x2000 - 1);
break;
case MMU_PAGE_SIZE_1K:
mask = ~(0x400 - 1);
break;
}
mmu_map_page(fault_address & mask, fault_address & mask, map->pagesize, map->flags);
return true;
}
}
return false;
}
void mmu_map_page(uint32_t virt, uint32_t phys, uint32_t map_size, struct map_flags flags)
{
/*
* add page to TLB
*/
MCF_MMU_MMUTR = virt | /* virtual address */
MCF_MMU_MMUTR_ID(flags.page_id) |
MCF_MMU_MMUTR_SG | /* shared global */
MCF_MMU_MMUTR_V; /* valid */
MCF_MMU_MMUDR = phys | /* physical address */
MCF_MMU_MMUDR_SZ(map_size) | /* 1 MB page size */
MCF_MMU_MMUDR_CM(flags.cache_mode) |
(flags.access & ACCESS_READ ? MCF_MMU_MMUDR_R : 0) | /* read access enable */
(flags.access & ACCESS_WRITE ? MCF_MMU_MMUDR_W : 0) | /* write access enable */
(flags.access & ACCESS_EXECUTE ? MCF_MMU_MMUDR_X : 0); /* execute access enable */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ACC | /* access TLB, data */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
MCF_MMU_MMUOR = MCF_MMU_MMUOR_ITLB | /* instruction */
MCF_MMU_MMUOR_ACC | /* access TLB */
MCF_MMU_MMUOR_UAA; /* update allocation address field */
dbg("mapped virt=%p to phys=%p\r\n", virt, phys);
}

View File

@@ -18,7 +18,7 @@
#define DBG_MODES
#ifdef DBG_MODES
#define dbg(format, arg...) do { xprintf("DEBUG: " format, __FUNCTION__, ##arg); } while (0)
#define dbg(format, arg...) do { xprintf("DEBUG: " format, ##arg); } while (0)
#else
#define dbg(format, arg...) do { ; } while (0)
#endif /* DBG_MODES */

View File

@@ -7,10 +7,11 @@
* option any later version. See doc/license.txt for details.
*/
#include "bas_types.h"
#include "config.h"
#include "portab.h"
#include "font.h"
static const uint16_t off_table[] =
static const UWORD off_table[] =
{
0x0000, 0x0008, 0x0010, 0x0018, 0x0020, 0x0028, 0x0030, 0x0038,
0x0040, 0x0048, 0x0050, 0x0058, 0x0060, 0x0068, 0x0070, 0x0078,
@@ -47,7 +48,7 @@ static const uint16_t off_table[] =
0x0800,
};
static const uint16_t dat_table[] =
static const UWORD dat_table[] =
{
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x1104,

View File

@@ -11,12 +11,7 @@
* option any later version. See doc/license.txt for details.
*/
#define DBG_VIDEL
#ifdef DBG_VIDEL
#define dbg(format, arg...) do { xprintf("DEBUG: %s(): " format, __FUNCTION__, ##arg); } while (0)
#else
#define dbg(format, arg...) do { ; } while (0)
#endif /* DBG_VIDEL */
#define DBG_VIDEL 0
#include <stdint.h>
#include <stdbool.h>
@@ -305,14 +300,14 @@ static uint16_t get_videl_bpp(void)
static uint16_t get_videl_width(void)
{
return ( * (volatile uint16_t *) 0xffff8210) * 16 / get_videl_bpp();
return (*(volatile uint16_t *)0xffff8210) * 16 / get_videl_bpp();
}
static uint16_t get_videl_height(void)
{
uint16_t vdb = * (volatile uint16_t *) 0xffff82a8;
uint16_t vde = * (volatile uint16_t *) 0xffff82aa;
uint16_t vmode = * (volatile uint16_t *) 0xffff82c2;
uint16_t vdb = *(volatile uint16_t *)0xffff82a8;
uint16_t vde = *(volatile uint16_t *)0xffff82aa;
uint16_t vmode = *(volatile uint16_t *)0xffff82c2;
/* visible y resolution:
* Graphics display starts at line VDB and ends at line
@@ -337,14 +332,11 @@ const VMODE_ENTRY *lookup_videl_mode(int16_t mode,int16_t monitor)
{
const VMODE_ENTRY *vmode_init_table, *p;
if (mode&VIDEL_VGA)
{
if (mode&VIDEL_VGA) {
vmode_init_table = vga_init_table;
/* ignore bits that don't affect initialisation data */
mode &= ~(VIDEL_VERTICAL|VIDEL_PAL);
}
else
{
} else {
vmode_init_table = nonvga_init_table;
}
@@ -376,38 +368,34 @@ static int16_t determine_width(int16_t mode)
/*
* determine vctl based on video mode and monitor type
*/
static int16_t determine_vctl(int16_t mode, int16_t monitor)
static int16_t determine_vctl(int16_t mode,int16_t monitor)
{
int16_t vctl;
if (mode & VIDEL_VGA)
{
vctl = (mode & VIDEL_80COL) ? 0x08 : 0x04;
if (mode & VIDEL_VERTICAL)
if (mode&VIDEL_VGA) {
vctl = (mode&VIDEL_80COL) ? 0x08 : 0x04;
if (mode&VIDEL_VERTICAL)
vctl |= 0x01;
}
else
{
vctl = (mode & VIDEL_80COL) ? 0x04 : 0x00;
if (mode & VIDEL_VERTICAL)
} else {
vctl = (mode&VIDEL_80COL) ? 0x04 : 0x00;
if (mode&VIDEL_VERTICAL)
vctl |= 0x02;
}
if (!(mode & VIDEL_COMPAT))
if (!(mode&VIDEL_COMPAT))
return vctl;
switch (mode & VIDEL_BPPMASK)
{
case VIDEL_1BPP:
if (!(mode & VIDEL_VGA) && (monitor == MON_MONO))
vctl = 0x08;
break;
case VIDEL_2BPP:
vctl = (mode & VIDEL_VGA)? 0x09 : 0x04;
break;
case VIDEL_4BPP:
vctl = (mode & VIDEL_VGA)? 0x05 : 0x00;
break;
switch(mode&VIDEL_BPPMASK) {
case VIDEL_1BPP:
if (!(mode&VIDEL_VGA) && (monitor == MON_MONO))
vctl = 0x08;
break;
case VIDEL_2BPP:
vctl = (mode&VIDEL_VGA)? 0x09 : 0x04;
break;
case VIDEL_4BPP:
vctl = (mode&VIDEL_VGA)? 0x05 : 0x00;
break;
}
return vctl;
@@ -419,28 +407,25 @@ static int16_t determine_vctl(int16_t mode, int16_t monitor)
*/
static int16_t determine_regc0(int16_t mode,int16_t monitor)
{
if (mode & VIDEL_VGA)
if (mode&VIDEL_VGA)
return 0x0186;
if (!(mode & VIDEL_COMPAT))
return (monitor == MON_TV) ? 0x0183 : 0x0181;
if (!(mode&VIDEL_COMPAT))
return (monitor==MON_TV)?0x0183:0x0181;
/* handle ST-compatible modes */
if ((mode & (VIDEL_80COL | VIDEL_BPPMASK)) == (VIDEL_80COL | VIDEL_1BPP))
{
/* 80-column, 2-colour */
switch(monitor)
{
case MON_MONO:
return 0x0080;
case MON_TV:
return 0x0183;
default:
return 0x0181;
if ((mode&(VIDEL_80COL|VIDEL_BPPMASK)) == (VIDEL_80COL|VIDEL_1BPP)) { /* 80-column, 2-colour */
switch(monitor) {
case MON_MONO:
return 0x0080;
case MON_TV:
return 0x0183;
default:
return 0x0181;
}
}
return (monitor == MON_TV) ? 0x0083 : 0x0081;
return (monitor==MON_TV)?0x0083:0x0081;
}
@@ -460,7 +445,7 @@ static int set_videl_vga(int16_t mode)
if (!p)
return -1;
videlregs[0x0a] = (mode & VIDEL_PAL) ? 2 : 0; /* video sync to 50Hz if PAL */
videlregs[0x0a] = (mode&VIDEL_PAL) ? 2 : 0; /* video sync to 50Hz if PAL */
// FIXME: vsync() can't work if the screen is initially turned off
//vsync(); /* wait for vbl so we're not interrupted :-) */
@@ -491,30 +476,28 @@ static int set_videl_vga(int16_t mode)
videlword(0xc0) = determine_regc0(mode,monitor);
videlword(0x66) = 0x0000; /* clear SPSHIFT */
switch(mode & VIDEL_BPPMASK)
{
/* set SPSHIFT / ST shift */
case VIDEL_1BPP: /* 2 colours (mono) */
if (monitor == MON_MONO)
videlregs[0x60] = 0x02;
else videlword(0x66) = 0x0400;
break;
case VIDEL_2BPP: /* 4 colours */
videlregs[0x60] = 0x01;
videlword(0x10) = linewidth; /* writing to the ST shifter has */
videlword(0xc2) = vctl; /* just overwritten these registers */
break;
case VIDEL_4BPP: /* 16 colours */
/* if not ST-compatible, SPSHIFT was already set correctly above */
if (mode & VIDEL_COMPAT)
videlregs[0x60] = 0x00; /* else set ST shifter */
break;
case VIDEL_8BPP: /* 256 colours */
videlword(0x66) = 0x0010;
break;
case VIDEL_TRUECOLOR: /* 65536 colours (Truecolor) */
videlword(0x66) = 0x0100;
break;
switch(mode&VIDEL_BPPMASK) { /* set SPSHIFT / ST shift */
case VIDEL_1BPP: /* 2 colours (mono) */
if (monitor == MON_MONO)
videlregs[0x60] = 0x02;
else videlword(0x66) = 0x0400;
break;
case VIDEL_2BPP: /* 4 colours */
videlregs[0x60] = 0x01;
videlword(0x10) = linewidth; /* writing to the ST shifter has */
videlword(0xc2) = vctl; /* just overwritten these registers */
break;
case VIDEL_4BPP: /* 16 colours */
/* if not ST-compatible, SPSHIFT was already set correctly above */
if (mode&VIDEL_COMPAT)
videlregs[0x60] = 0x00; /* else set ST shifter */
break;
case VIDEL_8BPP: /* 256 colours */
videlword(0x66) = 0x0010;
break;
case VIDEL_TRUECOLOR: /* 65536 colours (Truecolor) */
videlword(0x66) = 0x0100;
break;
}
return 0;
@@ -535,8 +518,8 @@ int16_t vsetmode(int16_t mode)
if (mode == -1)
return current_video_mode;
#ifdef DBG_VIDEL
xprintf("vsetmode(0x%04x)\n", mode);
#if DBG_VIDEL
kprintf("vsetmode(0x%04x)\n", mode);
#endif
if (set_videl_vga(mode) < 0) /* invalid mode */
@@ -594,30 +577,26 @@ int32_t vgetsize(int16_t mode)
monitor = vmontype();
mode &= VIDEL_VALID; /* ignore invalid bits */
if ((mode & VIDEL_BPPMASK) > VIDEL_TRUECOLOR)
{
/* fixup invalid bpp */
if ((mode&VIDEL_BPPMASK) > VIDEL_TRUECOLOR) { /* fixup invalid bpp */
mode &= ~VIDEL_BPPMASK;
mode |= VIDEL_TRUECOLOR;
}
p = lookup_videl_mode(mode, monitor);
if (!p)
{
/* invalid mode */
if (mode & VIDEL_COMPAT)
p = lookup_videl_mode(mode,monitor);
if (!p) { /* invalid mode */
if (mode&VIDEL_COMPAT)
return ST_VRAM_SIZE;
mode &= ~(VIDEL_OVERSCAN|VIDEL_PAL);/* ignore less-important bits */
p = lookup_videl_mode(mode, monitor);/* & try again */
p = lookup_videl_mode(mode,monitor);/* & try again */
if (!p) /* "can't happen" */
return FALCON_VRAM_SIZE;
}
vctl = determine_vctl(mode, monitor);
vctl = determine_vctl(mode,monitor);
height = p->vde - p->vdb;
if (!(vctl & 0x02))
if (!(vctl&0x02))
height >>= 1;
if (vctl & 0x01)
if (vctl&0x01)
height >>= 1;
return (int32_t)determine_width(mode) * 2 * height;
@@ -626,21 +605,18 @@ int32_t vgetsize(int16_t mode)
/*
* convert from Falcon palette format to STe palette format
*/
#define falc2ste(a) ((((a) >> 1) & 0x08) | (((a) >> 5) & 0x07))
#define falc2ste(a) ((((a)>>1)&0x08)|(((a)>>5)&0x07))
static void convert2ste(int16_t *ste,int32_t *falcon)
{
union
{
union {
int32_t l;
uint8_t b[4];
} u;
int i;
for (i = 0; i < 16; i++)
{
for (i = 0; i < 16; i++) {
u.l = *falcon++;
*ste++ = (falc2ste(u.b[0]) << 8) | (falc2ste(u.b[1]) << 4) | falc2ste(u.b[3]);
*ste++ = (falc2ste(u.b[0])<<8) | (falc2ste(u.b[1])<<4) | falc2ste(u.b[3]);
}
}
@@ -653,10 +629,10 @@ static int use_ste_palette(int16_t videomode)
if (vmontype() == MON_MONO) /* always for ST mono monitor */
return true;
if ((videomode & VIDEL_BPPMASK) == VIDEL_2BPP) /* always for 4-colour modes */
if ((videomode&VIDEL_BPPMASK) == VIDEL_2BPP) /* always for 4-colour modes */
return true;
if ((videomode & VIDEL_COMPAT) && ((videomode & VIDEL_BPPMASK) == VIDEL_4BPP))
if ((videomode&VIDEL_COMPAT) && ((videomode&VIDEL_BPPMASK) == VIDEL_4BPP))
return true; /* and for ST low */
return false;
@@ -676,11 +652,10 @@ static int use_ste_palette(int16_t videomode)
* address | 0x01 load first 16 Falcon palette regs from address
* 0 | 0x01 load 256 Falcon palette regs from falcon_shadow_palette[]
*/
int16_t vsetrgb(int16_t index,int16_t count, int32_t *rgb)
int16_t vsetrgb(int16_t index,int16_t count,int32_t *rgb)
{
int32_t *shadow, *source;
union
{
union {
int32_t l;
uint8_t b[4];
} u;
@@ -689,8 +664,8 @@ int16_t vsetrgb(int16_t index,int16_t count, int32_t *rgb)
if ((index < 0) || (count <= 0))
return -1; /* Generic error */
limit = (get_videl_bpp() <= 4) ? 16 : 256;
if ((index + count) > limit)
limit = (get_videl_bpp()<=4) ? 16 : 256;
if ((index+count) > limit)
return -1; /* Generic error */
/*
@@ -699,7 +674,7 @@ int16_t vsetrgb(int16_t index,int16_t count, int32_t *rgb)
*/
shadow = falcon_shadow_palette + index;
source = rgb;
while (count--) {
while(count--) {
u.l = *source++;
u.b[0] = u.b[1]; /* shift R & G */
u.b[1] = u.b[2];
@@ -721,7 +696,7 @@ int16_t vsetrgb(int16_t index,int16_t count, int32_t *rgb)
return 0; /* OK */
}
colorptr = (limit == 256) ? (int16_t *) 0x01L : (int16_t *) ((int32_t) falcon_shadow_palette|0x01L);
colorptr = (limit==256) ? (int16_t *) 0x01L : (int16_t *) ((int32_t) falcon_shadow_palette|0x01L);
set_palette(colorptr);
return 0; /* OK */
@@ -733,8 +708,7 @@ int16_t vsetrgb(int16_t index,int16_t count, int32_t *rgb)
int16_t vgetrgb(int16_t index,int16_t count,int32_t *rgb)
{
int32_t *shadow;
union
{
union {
int32_t l;
uint8_t b[4];
} u;
@@ -743,13 +717,12 @@ int16_t vgetrgb(int16_t index,int16_t count,int32_t *rgb)
if ((index < 0) || (count <= 0))
return -1; /* Generic error */
limit = (get_videl_bpp() <= 4) ? 16 : 256;
if ((index + count) > limit)
limit = (get_videl_bpp()<=4) ? 16 : 256;
if ((index+count) > limit)
return -1; /* Generic error */
shadow = falcon_shadow_palette + index;
while (count--)
{
while(count--) {
u.l = *shadow++;
u.b[2] = u.b[1]; /* shift R & G right*/
u.b[1] = u.b[0];
@@ -796,7 +769,7 @@ int16_t vfixmode(int16_t mode)
if (mode & VIDEL_VGA) /* if mode has VGA set, */
mode ^= (VIDEL_VERTICAL | VIDEL_VGA); /* clear it & flip vertical */
if (mode & VIDEL_COMPAT) {
if ((mode & VIDEL_BPPMASK) == VIDEL_1BPP)
if ((mode&VIDEL_BPPMASK) == VIDEL_1BPP)
mode |= VIDEL_VERTICAL; /* set vertical for ST high */
else mode &= ~VIDEL_VERTICAL; /* clear it for ST medium, low */
}
@@ -813,7 +786,7 @@ int16_t videl_check_moderez(int16_t moderez)
current_mode = get_videl_mode();
return_mode = vfixmode(moderez);/* adjust */
return (return_mode == current_mode) ? 0 : return_mode;
return (return_mode==current_mode)?0:return_mode;
}
uint32_t videl_vram_size(void)
@@ -859,7 +832,7 @@ void initialise_falcon_palette(int16_t mode)
* although it is probably not important since we don't use those
* registers.
*/
limit = ((mode & VIDEL_BPPMASK) == VIDEL_8BPP) ? 256 : 16;
limit = ((mode&VIDEL_BPPMASK)==VIDEL_8BPP) ? 256 : 16;
for (i = 0; i < limit; i++)
fcol_regs[i] = falcon_shadow_palette[i];
@@ -867,7 +840,7 @@ void initialise_falcon_palette(int16_t mode)
* if appropriate, set up the STe shadow & real palette registers
*/
if (use_ste_palette(mode)) {
convert2ste(ste_shadow_palette, falcon_shadow_palette);
convert2ste(ste_shadow_palette,falcon_shadow_palette);
for (i = 0; i < 16; i++)
col_regs[i] = ste_shadow_palette[i];
}