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more Radeon work.

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Get PLL info from BIOS emulator
This commit is contained in:
Markus Fröschle
2016-11-13 20:23:06 +00:00
parent 0ed03ee328
commit a9eaad9242
13 changed files with 150 additions and 139 deletions
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44
x86emu/x86biosemu.c
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@@ -13,23 +13,6 @@
#define DEBUG
#include "debug.h"
#define USE_SDRAM
#define DIRECT_ACCESS
#define MEM_WB(where, what) emu->emu_wrb(emu, where, what)
#define MEM_WW(where, what) emu->emu_wrw(emu, where, what)
#define MEM_WL(where, what) emu->emu_wrl(emu, where, what)
#define MEM_RB(where) emu->emu_rdb(emu, where)
#define MEM_RW(where) emu->emu_rdw(emu, where)
#define MEM_RL(where) emu->emu_rdl(emu, where)
#define PCI_VGA_RAM_IMAGE_START 0xC0000
#define PCI_RAM_IMAGE_START 0xD0000
#define SYS_BIOS 0xF0000
#define SIZE_EMU 0x100000
struct rom_header
{
uint16_t signature;
@@ -223,7 +206,7 @@ static void do_int(struct X86EMU *emu, int num)
dbg("string to output at 0x%04x:0x%04x length=0x%04x\r\n", seg, off, num_chars);
for (i = 0; i < num_chars; i++)
xprintf("%c", * (char *)(0x0100000 + str + i));
xprintf("%c", * (char *)(BIOS_MEM + str + i));
}
if (getIntVect(emu, num) == 0x0000)
@@ -291,7 +274,6 @@ void run_bios(struct radeonfb_info *rinfo)
struct pci_data *rom_data;
unsigned long rom_size = 0;
unsigned long image_size = 0;
void *biosmem = (void *) 0x0100000; /* when run_bios() is called, SDRAM is valid but not added to the system */
unsigned long addr;
unsigned short initialcs;
unsigned short initialip;
@@ -341,16 +323,16 @@ void run_bios(struct radeonfb_info *rinfo)
if (PCI_CLASS_DISPLAY_VGA == BIOS_IN16((long) &rom_data->class_hi))
{
memset((char *) biosmem, 0, SIZE_EMU);
setup_system_bios((char *) biosmem);
memset((char *) BIOS_MEM, 0, SIZE_EMU);
setup_system_bios((char *) BIOS_MEM);
dbg("Copying VGA ROM Image from %p to %p (0x%lx bytes)\r\n",
dbg("Copyg VGA ROM Image from %p to %p (0x%lx bytes)\r\n",
(uintptr_t) rinfo->bios_seg + (uintptr_t) rom_header,
biosmem + PCI_VGA_RAM_IMAGE_START, rom_size);
BIOS_MEM + PCI_VGA_RAM_IMAGE_START, rom_size);
{
long bytes_align = (uintptr_t) rom_header & 3;
ptr = (uint8_t *) biosmem;
ptr = (uint8_t *) BIOS_MEM;
i = (long) rom_header;
j = PCI_VGA_RAM_IMAGE_START;
@@ -368,14 +350,14 @@ void run_bios(struct radeonfb_info *rinfo)
}
else
{
memset((uint8_t *) biosmem, 0, SIZE_EMU);
setup_system_bios((char *) biosmem);
memset((uint8_t *) BIOS_MEM, 0, SIZE_EMU);
setup_system_bios((char *) BIOS_MEM);
dbg("Copying non-VGA ROM Image from %p to %p (0x%lx bytes)\r\n",
dbg("Copy non-VGA ROM Image from %p to %p (0x%lx bytes)\r\n",
(uintptr_t) rinfo->bios_seg + (uintptr_t) rom_header,
biosmem + PCI_RAM_IMAGE_START,
BIOS_MEM + PCI_RAM_IMAGE_START,
rom_size);
ptr = (uint8_t *) biosmem;
ptr = (uint8_t *) BIOS_MEM;
for (i = (long) rom_header, j = PCI_RAM_IMAGE_START; i < (long) rom_header + rom_size; ptr[j++] = BIOS_IN8(i++));
addr = PCI_RAM_IMAGE_START;
}
@@ -386,7 +368,7 @@ void run_bios(struct radeonfb_info *rinfo)
/*
* set emulator memory
*/
emu.mem_base = biosmem;
emu.mem_base = (void *) BIOS_MEM;
emu.mem_size = SIZE_EMU;
for (i = 0; i < 256; i++)
@@ -447,5 +429,5 @@ void run_bios(struct radeonfb_info *rinfo)
/*
* clear emulator memory once we are finished
*/
memset((char *) biosmem, 0, SIZE_EMU);
memset((char *) BIOS_MEM, 0, SIZE_EMU);
}