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removed unused files. Modifed MCDCOOK build process to use BaS_gcc

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includes (no need to sync includes anymore)
This commit is contained in:
Markus Fröschle
2014-08-31 11:36:59 +00:00
parent 47b25119ba
commit 1590804dfa
8 changed files with 200 additions and 329 deletions
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1
BaS_gcc.files
View File

@@ -234,7 +234,6 @@ tos/jtagwait/sources/jtagwait.c
tos/jtagwait/include/driver_vec.h
tos/mcdcook/Makefile
tos/mcdcook/sources/mcdcook.c
tos/mcdcook/include/driver_vec.h
tos/jtagwait/include/bas_printf.h
tos/jtagwait/include/bas_string.h
tos/jtagwait/include/MCF5475_CLOCK.h

8
if/driver_vec.c
View File

@@ -35,7 +35,7 @@
/*
* driver interface struct for the SD card BaS driver
*/
static struct xhdi_driver_interface xhdi_call_interface =
static struct xhdi_driver_interface xhdi_call_interface =
{
xhdi_call
};
@@ -73,7 +73,7 @@ extern const struct fb_info *info_fb;
/*
* driver interface struct for the PCI_BIOS BaS driver
*/
static struct pci_bios_interface pci_interface =
static struct pci_bios_interface pci_interface =
{
.subjar = 0,
.version = 0x00010000,
@@ -140,7 +140,7 @@ static struct generic_interface interfaces[] =
.description = "BaS SD Card driver",
.version = 0,
.revision = 1,
.interface.xhdi = &xhdi_call_interface
.interface.xhdi = &xhdi_call_interface
},
{
.type = MCD_DRIVER,
@@ -181,7 +181,7 @@ static struct driver_table bas_drivers =
.bas_version = MAJOR_VERSION,
.bas_revision = MINOR_VERSION,
.remove_handler = NULL,
.interfaces = { interfaces }
.interfaces = interfaces
};
void __attribute__((interrupt)) get_bas_drivers(void)

180
include/driver_vec.h
View File

@@ -31,8 +31,8 @@
enum driver_type
{
// BLOCKDEV_DRIVER,
// CHARDEV_DRIVER,
BLOCKDEV_DRIVER,
CHARDEV_DRIVER,
XHDI_DRIVER,
MCD_DRIVER,
VIDEO_DRIVER,
@@ -73,7 +73,7 @@ struct dma_driver_interface
void *(*dma_malloc)(uint32_t amount);
int32_t (*dma_free)(void *addr);
};
struct xhdi_driver_interface
{
uint32_t (*xhdivec)();
@@ -87,10 +87,10 @@ struct xhdi_driver_interface
*/
struct fb_bitfield
{
unsigned long offset; /* beginning of bitfield */
unsigned long length; /* length of bitfield */
unsigned long msb_right; /* != 0 : Most significant bit is */
/* right */
unsigned long offset; /* beginning of bitfield */
unsigned long length; /* length of bitfield */
unsigned long msb_right; /* != 0 : Most significant bit is */
/* right */
};
/*
@@ -98,107 +98,107 @@ struct fb_bitfield
*/
struct fb_var_screeninfo
{
unsigned long xres; /* visible resolution */
unsigned long yres;
unsigned long xres_virtual; /* virtual resolution */
unsigned long yres_virtual;
unsigned long xoffset; /* offset from virtual to visible */
unsigned long yoffset; /* resolution */
unsigned long xres; /* visible resolution */
unsigned long yres;
unsigned long xres_virtual; /* virtual resolution */
unsigned long yres_virtual;
unsigned long xoffset; /* offset from virtual to visible */
unsigned long yoffset; /* resolution */
unsigned long bits_per_pixel; /* guess what */
unsigned long grayscale; /* != 0 Graylevels instead of colors */
unsigned long bits_per_pixel; /* guess what */
unsigned long grayscale; /* != 0 Graylevels instead of colors */
struct fb_bitfield red; /* bitfield in fb mem if true color, */
struct fb_bitfield green; /* else only length is significant */
struct fb_bitfield blue;
struct fb_bitfield transp; /* transparency */
struct fb_bitfield red; /* bitfield in fb mem if true color, */
struct fb_bitfield green; /* else only length is significant */
struct fb_bitfield blue;
struct fb_bitfield transp; /* transparency */
unsigned long nonstd; /* != 0 Non standard pixel format */
unsigned long nonstd; /* != 0 Non standard pixel format */
unsigned long activate; /* see FB_ACTIVATE_* */
unsigned long activate; /* see FB_ACTIVATE_* */
unsigned long height; /* height of picture in mm */
unsigned long width; /* width of picture in mm */
unsigned long height; /* height of picture in mm */
unsigned long width; /* width of picture in mm */
unsigned long accel_flags; /* (OBSOLETE) see fb_info.flags */
unsigned long accel_flags; /* (OBSOLETE) see fb_info.flags */
/* Timing: All values in pixclocks, except pixclock (of course) */
unsigned long pixclock; /* pixel clock in ps (pico seconds) */
unsigned long left_margin; /* time from sync to picture */
unsigned long right_margin; /* time from picture to sync */
unsigned long upper_margin; /* time from sync to picture */
unsigned long lower_margin;
unsigned long hsync_len; /* length of horizontal sync */
unsigned long vsync_len; /* length of vertical sync */
unsigned long sync; /* see FB_SYNC_* */
unsigned long vmode; /* see FB_VMODE_* */
unsigned long rotate; /* angle we rotate counter clockwise */
unsigned long refresh;
unsigned long reserved[4]; /* Reserved for future compatibility */
/* Timing: All values in pixclocks, except pixclock (of course) */
unsigned long pixclock; /* pixel clock in ps (pico seconds) */
unsigned long left_margin; /* time from sync to picture */
unsigned long right_margin; /* time from picture to sync */
unsigned long upper_margin; /* time from sync to picture */
unsigned long lower_margin;
unsigned long hsync_len; /* length of horizontal sync */
unsigned long vsync_len; /* length of vertical sync */
unsigned long sync; /* see FB_SYNC_* */
unsigned long vmode; /* see FB_VMODE_* */
unsigned long rotate; /* angle we rotate counter clockwise */
unsigned long refresh;
unsigned long reserved[4]; /* Reserved for future compatibility */
};
struct fb_fix_screeninfo
{
char id[16]; /* identification string eg "TT Builtin" */
unsigned long smem_start; /* Start of frame buffer mem */
/* (physical address) */
unsigned long smem_len; /* Length of frame buffer mem */
unsigned long type; /* see FB_TYPE_* */
unsigned long type_aux; /* Interleave for interleaved Planes */
unsigned long visual; /* see FB_VISUAL_* */
unsigned short xpanstep; /* zero if no hardware panning */
unsigned short ypanstep; /* zero if no hardware panning */
unsigned short ywrapstep; /* zero if no hardware ywrap */
unsigned long line_length; /* length of a line in bytes */
unsigned long mmio_start; /* Start of Memory Mapped I/O */
/* (physical address) */
unsigned long mmio_len; /* Length of Memory Mapped I/O */
unsigned long accel; /* Indicate to driver which */
/* specific chip/card we have */
unsigned short reserved[3]; /* Reserved for future compatibility */
char id[16]; /* identification string eg "TT Builtin" */
unsigned long smem_start; /* Start of frame buffer mem */
/* (physical address) */
unsigned long smem_len; /* Length of frame buffer mem */
unsigned long type; /* see FB_TYPE_* */
unsigned long type_aux; /* Interleave for interleaved Planes */
unsigned long visual; /* see FB_VISUAL_* */
unsigned short xpanstep; /* zero if no hardware panning */
unsigned short ypanstep; /* zero if no hardware panning */
unsigned short ywrapstep; /* zero if no hardware ywrap */
unsigned long line_length; /* length of a line in bytes */
unsigned long mmio_start; /* Start of Memory Mapped I/O */
/* (physical address) */
unsigned long mmio_len; /* Length of Memory Mapped I/O */
unsigned long accel; /* Indicate to driver which */
/* specific chip/card we have */
unsigned short reserved[3]; /* Reserved for future compatibility */
};
struct fb_chroma
{
unsigned long redx; /* in fraction of 1024 */
unsigned long greenx;
unsigned long bluex;
unsigned long whitex;
unsigned long redy;
unsigned long greeny;
unsigned long bluey;
unsigned long whitey;
unsigned long redx; /* in fraction of 1024 */
unsigned long greenx;
unsigned long bluex;
unsigned long whitex;
unsigned long redy;
unsigned long greeny;
unsigned long bluey;
unsigned long whitey;
};
struct fb_monspecs
{
struct fb_chroma chroma;
struct fb_videomode *modedb; /* mode database */
unsigned char manufacturer[4]; /* Manufacturer */
unsigned char monitor[14]; /* Monitor String */
unsigned char serial_no[14]; /* Serial Number */
unsigned char ascii[14]; /* ? */
unsigned long modedb_len; /* mode database length */
unsigned long model; /* Monitor Model */
unsigned long serial; /* Serial Number - Integer */
unsigned long year; /* Year manufactured */
unsigned long week; /* Week Manufactured */
unsigned long hfmin; /* hfreq lower limit (Hz) */
unsigned long hfmax; /* hfreq upper limit (Hz) */
unsigned long dclkmin; /* pixelclock lower limit (Hz) */
unsigned long dclkmax; /* pixelclock upper limit (Hz) */
unsigned short input; /* display type - see FB_DISP_* */
unsigned short dpms; /* DPMS support - see FB_DPMS_ */
unsigned short signal; /* Signal Type - see FB_SIGNAL_* */
unsigned short vfmin; /* vfreq lower limit (Hz) */
unsigned short vfmax; /* vfreq upper limit (Hz) */
unsigned short gamma; /* Gamma - in fractions of 100 */
unsigned short gtf : 1; /* supports GTF */
unsigned short misc; /* Misc flags - see FB_MISC_* */
unsigned char version; /* EDID version... */
unsigned char revision; /* ...and revision */
unsigned char max_x; /* Maximum horizontal size (cm) */
unsigned char max_y; /* Maximum vertical size (cm) */
struct fb_chroma chroma;
struct fb_videomode *modedb; /* mode database */
unsigned char manufacturer[4]; /* Manufacturer */
unsigned char monitor[14]; /* Monitor String */
unsigned char serial_no[14]; /* Serial Number */
unsigned char ascii[14]; /* ? */
unsigned long modedb_len; /* mode database length */
unsigned long model; /* Monitor Model */
unsigned long serial; /* Serial Number - Integer */
unsigned long year; /* Year manufactured */
unsigned long week; /* Week Manufactured */
unsigned long hfmin; /* hfreq lower limit (Hz) */
unsigned long hfmax; /* hfreq upper limit (Hz) */
unsigned long dclkmin; /* pixelclock lower limit (Hz) */
unsigned long dclkmax; /* pixelclock upper limit (Hz) */
unsigned short input; /* display type - see FB_DISP_* */
unsigned short dpms; /* DPMS support - see FB_DPMS_ */
unsigned short signal; /* Signal Type - see FB_SIGNAL_* */
unsigned short vfmin; /* vfreq lower limit (Hz) */
unsigned short vfmax; /* vfreq upper limit (Hz) */
unsigned short gamma; /* Gamma - in fractions of 100 */
unsigned short gtf : 1; /* supports GTF */
unsigned short misc; /* Misc flags - see FB_MISC_* */
unsigned char version; /* EDID version... */
unsigned char revision; /* ...and revision */
unsigned char max_x; /* Maximum horizontal size (cm) */
unsigned char max_y; /* Maximum vertical size (cm) */
};
struct framebuffer_driver_interface
@@ -283,7 +283,7 @@ struct driver_table
uint32_t bas_version;
uint32_t bas_revision;
uint32_t (*remove_handler)(); /* calling this will disable the BaS' hook into trap #0 */
struct generic_interface *interfaces[];
struct generic_interface *interfaces;
};

2
tos/jtagwait/jtagwait.creator.user
View File

@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE QtCreatorProject>
<!-- Written by QtCreator 3.0.1, 2014-08-10T15:03:49. -->
<!-- Written by QtCreator 3.0.1, 2014-08-16T08:05:17. -->
<qtcreator>
<data>
<variable>ProjectExplorer.Project.ActiveTarget</variable>

154
tos/jtagwait/sources/jtagwait.c
View File

@@ -19,95 +19,111 @@ extern long _FPGA_JTAG_VALID;
#define SRAM1_END SRAM1_START + 0x1000
#define SAFE_STACK SRAM1_END - 4
#define NOP() __asm__ __volatile__("nop\n\t" : : : "memory")
long bas_start = 0xe0000000;
volatile uint32_t *_VRAM = (uint32_t *) 0xFFF00000;
void wait_for_jtag(void)
{
int i;
int i;
/* set supervisor stack to end of SRAM1 */
__asm__ __volatile__ (
" move #0x2700,sr\n\t" /* disable interrupts */
" move.l %[stack],d0\n\t" /* 4KB on-chip core SRAM1 */
" move.l d0,sp\n\t" /* set stack pointer */
:
: [stack] "i" (SAFE_STACK)
: "d0", "cc" /* clobber */
);
/* set supervisor stack to end of SRAM1 */
__asm__ __volatile__ (
" move #0x2700,sr\n\t" /* disable interrupts */
" move.l %[stack],d0\n\t" /* 4KB on-chip core SRAM1 */
" move.l d0,sp\n\t" /* set stack pointer */
:
: [stack] "i" (SAFE_STACK)
: "d0", "cc" /* clobber */
);
MCF_EPORT_EPIER = 0x0; /* disable EPORT interrupts */
MCF_INTC_IMRL = 0xffffffff;
MCF_INTC_IMRH = 0xffffffff; /* disable interrupt controller */
MCF_EPORT_EPIER = 0x0; /* disable EPORT interrupts */
MCF_INTC_IMRL = 0xffffffff;
MCF_INTC_IMRH = 0xffffffff; /* disable interrupt controller */
MCF_MMU_MMUCR &= ~MCF_MMU_MMUCR_EN; /* disable MMU */
MCF_MMU_MMUCR &= ~MCF_MMU_MMUCR_EN; /* disable MMU */
xprintf("relocated supervisor stack, disabled interrupts and disabled MMU\r\n");
xprintf("relocated supervisor stack, disabled interrupts and disabled MMU\r\n");
/*
* configure FEC1L port directions to enable external JTAG configuration download to FPGA
*/
MCF_GPIO_PDDR_FEC1L = 0 |
MCF_GPIO_PDDR_FEC1L_PDDR_FEC1L4; /* bit 4 = LED => output */
/* all other bits = input */
/*
* configure FEC1L port directions to enable external JTAG configuration download to FPGA
*/
MCF_GPIO_PDDR_FEC1L = 0 |
MCF_GPIO_PDDR_FEC1L_PDDR_FEC1L4; /* bit 4 = LED => output */
/* all other bits = input */
/*
* now that GPIO ports have been switched to input, we can poll for FPGA config
* started from the JTAG interface (CONF_DONE goes low) and finish (CONF_DONE goes high)
*/
xprintf("waiting for JTAG configuration start\r\n");
while ((MCF_GPIO_PPDSDR_FEC1L & FPGA_CONF_DONE)); /* wait for JTAG config load started */
/*
* now that GPIO ports have been switched to input, we can poll for FPGA config
* started from the JTAG interface (CONF_DONE goes low) and finish (CONF_DONE goes high)
*/
xprintf("waiting for JTAG configuration start\r\n");
while ((MCF_GPIO_PPDSDR_FEC1L & FPGA_CONF_DONE)); /* wait for JTAG config load started */
xprintf("waiting for JTAG configuration to finish\r\n");
while (!(MCF_GPIO_PPDSDR_FEC1L & FPGA_CONF_DONE)); /* wait for JTAG config load finished */
xprintf("waiting for JTAG configuration to finish\r\n");
while (!(MCF_GPIO_PPDSDR_FEC1L & FPGA_CONF_DONE)); /* wait for JTAG config load finished */
xprintf("JTAG configuration finished.\r\n");
_FPGA_JTAG_LOADED = true; /* indicate jtag loaded FPGA config to BaS */
_FPGA_JTAG_VALID = VALID_JTAG; /* set magic word to indicate _FPGA_JTAG_LOADED is valid */
xprintf("JTAG configuration finished.\r\n");
_FPGA_JTAG_LOADED = true; /* indicate jtag loaded FPGA config to BaS */
_FPGA_JTAG_VALID = VALID_JTAG; /* set magic word to indicate _FPGA_JTAG_LOADED is valid */
/* wait */
xprintf("wait a little to let things settle...\r\n");
for (i = 0; i < 1000000; i++);
/* wait */
xprintf("wait a little to let things settle...\r\n");
for (i = 0; i < 100000000; i++);
__asm__ __volatile__(
" jmp (%[bas_start])\n\t"
: /* no output */
: [bas_start] "a" (bas_start)
: /* clobber not needed */
);
xprintf("write byte data to FPGA memory\r\n");
for (i = 0; i < 512; i++)
{
_VRAM[i] = i;
}
hexdump((uint8_t *) _VRAM, 512);
xprintf("wait a little to let things settle...\r\n");
for (i = 0; i < 100000000; i++);
__asm__ __volatile__(
" jmp (%[bas_start])\n\t"
: /* no output */
: [bas_start] "a" (bas_start)
: /* clobber not needed */
);
}
int main(int argc, char *argv[])
{
printf("\033E\r\nFPGA JTAG configuration support\r\n");
printf("You may now savely load a new FPGA configuration through the JTAG interface\r\n"
"and your Firebee will reboot once finished using that new configuration.\r\n");
if (argc == 2)
{
/*
* we got an argument. This is supposed to be the address that we need to jump to after JTAG
* configuration has been finished. Meant to support BaS in RAM testing
*/
char *addr_str = argv[1];
char *addr = NULL;
char *end = NULL;
printf("\033E\r\nFPGA JTAG configuration support\r\n");
printf("<C> 2014 M. Fröschle\r\n");
addr = (char *) strtol(addr_str, &end, 16);
if (addr != NULL && addr <= (char *) 0xe0000000 && addr >= (char *) 0x10000000)
{
/*
* seems to be a valid address
*/
bas_start = (long) addr;
printf("You may now savely load a new FPGA configuration through the JTAG interface\r\n"
"and your Firebee will reboot once finished using that new configuration.\r\n");
if (argc == 2)
{
/*
* we got an argument. This is supposed to be the address that we need to jump to after JTAG
* configuration has been finished. Meant to support BaS in RAM testing
*/
char *addr_str = argv[1];
char *addr = NULL;
char *end = NULL;
printf("BaS start address set to %p\r\n", (void *) bas_start);
}
else
{
printf("\r\nNote: BaS start address %p not valid. Stick to %p.\r\n", addr, (void *) bas_start);
}
}
Supexec(wait_for_jtag);
addr = (char *) strtol(addr_str, &end, 16);
if (addr != NULL && addr <= (char *) 0xe0000000 && addr >= (char *) 0x10000000)
{
/*
* seems to be a valid address
*/
bas_start = (long) addr;
return 0; /* just to make the compiler happy, we will never return */
printf("BaS start address set to %p\r\n", (void *) bas_start);
}
else
{
printf("\r\nNote: BaS start address %p not valid. Stick to %p.\r\n", addr, (void *) bas_start);
}
}
Supexec(wait_for_jtag);
return 0; /* just to make the compiler happy, we will never return */
}

40
tos/mcdcook/Makefile
View File

@@ -21,7 +21,9 @@ endif
DEPEND=depend
TOPDIR= ../..
INCLUDE=-I$(TOPDIR)/../libcmini/include -nostdlib
BAS_INCLUDE=-I$(TOPDIR)/../BaS_gcc/include
INCLUDE=-I$(TOPDIR)/../libcmini/include $(BAS_INCLUDE) -nostdlib
LIBS=-lcmini -nostdlib -lgcc
CC=$(PREFIX)/bin/gcc
@@ -37,10 +39,8 @@ CFLAGS=\
-g\
-Wl,-Map,mapfile\
-Wall
SRCDIR=sources
INCDIR=include
INCLUDE+=-I$(INCDIR)
CSRCS=\
$(SRCDIR)/mcdcook.c
@@ -50,20 +50,16 @@ COBJS=$(patsubst $(SRCDIR)/%.o,%.o,$(patsubst %.c,%.o,$(CSRCS)))
AOBJS=$(patsubst $(SRCDIR)/%.o,%.o,$(patsubst %.S,%.o,$(ASRCS)))
OBJS=$(COBJS) $(AOBJS)
TRGTDIRS=. ./m68020-60 ./m5475 ./mshort ./m68020-60/mshort ./m5475/mshort
TRGTDIRS=.
OBJDIRS=$(patsubst %,%/objs,$(TRGTDIRS))
#
# multilib flags. These must match m68k-atari-mint-gcc -print-multi-lib output
#
m68020-60/$(APP):CFLAGS += -m68020-60
m5475/$(APP):CFLAGS += -mcpu=5475
mshort/$(APP):CFLAGS += -mshort
m68020-60/mshort/$(APP): CFLAGS += -m68020-60 -mshort
m5475/mshort/$(APP): CFLAGS += -mcpu=5475 -mshort
$(APP):CFLAGS += -mcpu=5475
all: $(TEST_APP)
ctest: $(TEST_APP)
all:$(patsubst %,%/$(APP),$(TRGTDIRS))
#
# generate pattern rules for multilib object files.
#
@@ -76,7 +72,7 @@ $(1)/objs/%.o:$(SRCDIR)/%.S
$(1)_OBJS=$(patsubst %,$(1)/objs/%,$(OBJS))
$(1)/$(APP): $$($(1)_OBJS)
$(CC) $$(CFLAGS) -o $$@ $(TOPDIR)/../libcmini/$(1)/startup.o $$($(1)_OBJS) -L$(TOPDIR)/../libcmini/$(1) $(LIBS)
$(CC) $$(CFLAGS) -o $$@ $(TOPDIR)/../libcmini/m5475/startup.o $$($(1)_OBJS) -L$(TOPDIR)/../libcmini/m5475 $(LIBS)
$(STRIP) $$@
endef
$(foreach DIR,$(TRGTDIRS),$(eval $(call CC_TEMPLATE,$(DIR))))
@@ -95,23 +91,7 @@ clean:
.PHONY: printvars
printvars:
@$(foreach V,$(.VARIABLES), $(if $(filter-out environment% default automatic, $(origin $V)),$(warning $V=$($V))))
ifneq (clean,$(MAKECMDGOALS))
-include $(DEPEND)
endif
test: $(TEST_APP)
$(HATARI) --grab -w --tos $(TOPDIR)/../emutos/etos512k.img \
--machine falcon -s 14 --cpuclock 32 --cpulevel 3 --vdi true --vdi-planes 4 \
--vdi-width 640 --vdi-height 480 -d . $(APP)
ftest: $(TEST_APP)
$(HATARI) --grab -w --tos /usr/share/hatari/TOS404.IMG \
--machine falcon --cpuclock 32 --cpulevel 3 \
-d . $(APP)
sttest: $(TEST_APP)
$(HATARI) --grab -w --tos "/usr/share/hatari/tos106de.img" \
--machine st --cpuclock 32 --cpulevel 3 --vdi true --vdi-planes 4 \
--vdi-width 640 --vdi-height 480 \
-d . $(APP)

125
tos/mcdcook/include/driver_vec.h
View File

@@ -1,125 +0,0 @@
/*
* driver_vec.h
*
* Interface for exposure of BaS drivers to the OS
*
* 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: 24.10.2013
* Author: Markus Fröschle
*/
#ifndef _DRIVER_VEC_H_
#define _DRIVER_VEC_H_
enum driver_type
{
END_OF_DRIVERS, /* marks end of driver list */
BLOCKDEV_DRIVER,
CHARDEV_DRIVER,
VIDEO_DRIVER,
XHDI_DRIVER,
MCD_DRIVER,
};
struct generic_driver_interface
{
uint32_t (*init)(void);
uint32_t (*read)(void *buf, size_t count);
uint32_t (*write)(const void *buf, size_t count);
uint32_t (*ioctl)(uint32_t request, ...);
};
/* Chained buffer descriptor */
typedef volatile struct MCD_bufDesc_struct MCD_bufDesc;
struct MCD_bufDesc_struct {
uint32_t flags; /* flags describing the DMA */
uint32_t csumResult; /* checksum from checksumming performed since last checksum reset */
int8_t *srcAddr; /* the address to move data from */
int8_t *destAddr; /* the address to move data to */
int8_t *lastDestAddr; /* the last address written to */
uint32_t dmaSize; /* the number of bytes to transfer independent of the transfer size */
MCD_bufDesc *next; /* next buffer descriptor in chain */
uint32_t info; /* private information about this descriptor; DMA does not affect it */
};
/* Progress Query struct */
typedef volatile struct MCD_XferProg_struct {
int8_t *lastSrcAddr; /* the most-recent or last, post-increment source address */
int8_t *lastDestAddr; /* the most-recent or last, post-increment destination address */
uint32_t dmaSize; /* the amount of data transferred for the current buffer */
MCD_bufDesc *currBufDesc;/* pointer to the current buffer descriptor being DMAed */
} MCD_XferProg;
struct dma_driver_interface
{
int32_t version;
int32_t magic;
int32_t (*dma_set_initiator)(int initiator);
uint32_t (*dma_get_initiator)(int requestor);
void (*dma_free_initiator)(int requestor);
int32_t (*dma_set_channel)(int requestor, void (*handler)(void));
int (*dma_get_channel)(int requestor);
void (*dma_free_channel)(int requestor);
void (*dma_clear_channel)(int channel);
int (*MCD_startDma)(int channel, int8_t *srcAddr, int16_t srcIncr, int8_t *destAddr, int16_t destIncr,
uint32_t dmaSize, uint32_t xferSize, uint32_t initiator, int32_t priority, uint32_t flags,
uint32_t funcDesc);
int (*MCD_dmaStatus)(int channel);
int (*MCD_XferProgrQuery)(int channel, MCD_XferProg *progRep);
int (*MCD_killDma)(int channel);
int (*MCD_continDma)(int channel);
int (*MCD_pauseDma)(int channel);
int (*MCD_resumeDma)(int channel);
int (*MCD_csumQuery)(int channel, uint32_t *csum);
void *(*dma_malloc)(long amount);
int (*dma_free)(void *addr);
};
struct xhdi_driver_interface
{
uint32_t (*xhdivec)();
};
union interface
{
struct generic_driver_interface *gdi;
struct xhdi_driver_interface *xhdi;
struct dma_driver_interface *dma;
};
struct generic_interface
{
enum driver_type type;
char name[16];
char description[64];
int version;
int revision;
union interface interface;
};
struct driver_table
{
uint32_t bas_version;
uint32_t bas_revision;
uint32_t (*remove_handler)(); /* calling this will disable the BaS' hook into trap #0 */
struct generic_interface *interfaces;
};
#endif /* _DRIVER_VEC_H_ */

19
tos/mcdcook/sources/mcdcook.c
View File

@@ -16,7 +16,7 @@ struct driver_table *get_bas_drivers(void)
: /* no inputs */
: /* clobbered */
);
return ret;
}
@@ -30,7 +30,7 @@ void setcookie(uint32_t cookie, uint32_t value)
uint32_t *cookiejar = (uint32_t *) Supexec(cookieptr);
int num_slots;
int max_slots;
num_slots = max_slots = 0;
do
{
@@ -42,7 +42,7 @@ void setcookie(uint32_t cookie, uint32_t value)
cookiejar = &(cookiejar[2]);
num_slots++;
} while (cookiejar[-2]);
/*
* Here we are at the end of the list and did not find our cookie.
* Let's check if there is any space left and append our value to the
@@ -51,7 +51,7 @@ void setcookie(uint32_t cookie, uint32_t value)
*/
if (cookiejar[-1])
max_slots = cookiejar[-1];
if (max_slots > num_slots)
{
/* relief, there is space left, extend the list */
@@ -76,6 +76,7 @@ static char *dt_to_str(enum driver_type dt)
case VIDEO_DRIVER: return "video/framebuffer driver";
case XHDI_DRIVER: return "XHDI compatible hard disk driver";
case MCD_DRIVER: return "multichannel DMA driver";
case PCI_DRIVER: return "PCI interface driver";
default: return "unknown driver type";
}
}
@@ -86,7 +87,7 @@ int main(int argc, char *argv[])
void *ssp;
(void) Cconws("retrieve BaS driver interface\r\n");
ssp = (void *) Super(0L);
dt = get_bas_drivers();
if (dt)
@@ -105,16 +106,16 @@ int main(int argc, char *argv[])
ifc->version, ifc->revision);
if (ifc->type == MCD_DRIVER)
{
setcookie(COOKIE_DMAC, (uint32_t) ifc->interface.dma);
printf("\r\nDMAC cookie set to %p\r\n", ifc->interface.dma);
setcookie(COOKIE_DMAC, (uint32_t) ifc->interface.dma);
printf("\r\nDMAC cookie set to %p\r\n", ifc->interface.dma);
}
ifc++;
}
}
Super(ssp);
while (Cconis()) Cconin(); /* eat keys */
// printf("press any key to continue\n\r");
// printf("press any key to continue\n\r");
// while (! Cconis());
return 0;
}