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Flash support for mips r4k pseudo-machine, by 

Jean-Christophe Plagniol-Villard.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4224 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2008-04-20 06:28:28 +00:00
parent eb69b50ad9
commit b305b5ba18
1 changed files with 13 additions and 1 deletions
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14
hw/mips_r4k.c
View File

@ -14,6 +14,7 @@
#include "net.h"
#include "sysemu.h"
#include "boards.h"
#include "flash.h"
#ifdef TARGET_WORDS_BIGENDIAN
#define BIOS_FILENAME "mips_bios.bin"
@ -144,6 +145,7 @@ static void main_cpu_reset(void *opaque)
load_kernel (env);
}
static const int sector_len = 32 * 1024;
static
void mips_r4k_init (int ram_size, int vga_ram_size,
const char *boot_device, DisplayState *ds,
@ -197,7 +199,17 @@ void mips_r4k_init (int ram_size, int vga_ram_size,
if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
cpu_register_physical_memory(0x1fc00000,
BIOS_SIZE, bios_offset | IO_MEM_ROM);
} else {
} else if ((index = drive_get_index(IF_PFLASH, 0, 0)) > -1) {
uint32_t mips_rom = 0x00400000;
cpu_register_physical_memory(0x1fc00000, mips_rom,
qemu_ram_alloc(mips_rom) | IO_MEM_ROM);
if (!pflash_cfi01_register(0x1fc00000, qemu_ram_alloc(mips_rom),
drives_table[index].bdrv, sector_len, mips_rom / sector_len,
4, 0, 0, 0, 0)) {
fprintf(stderr, "qemu: Error registering flash memory.\n");
}
}
else {
/* not fatal */
fprintf(stderr, "qemu: Warning, could not load MIPS bios '%s'\n",
buf);