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pflash_cfi01/pflash_cfi02: convert to memory API

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cfi02 is annoying in that is ignores some address bits; we probably
want explicit support in the memory API for that.

Reviewed-by: Richard Henderson  <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-08-04 15:55:30 +03:00
parent a1807ef295
commit c8a50e596c
18 changed files with 246 additions and 223 deletions
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20
hw/mips_r4k.c
View file

@ -23,6 +23,7 @@
#include "elf.h"
#include "mc146818rtc.h"
#include "blockdev.h"
#include "exec-memory.h"
#define MAX_IDE_BUS 2
@ -163,7 +164,8 @@ void mips_r4k_init (ram_addr_t ram_size,
{
char *filename;
ram_addr_t ram_offset;
ram_addr_t bios_offset;
MemoryRegion *address_space_mem = get_system_memory();
MemoryRegion *bios = g_new(MemoryRegion, 1);
int bios_size;
CPUState *env;
ResetData *reset_info;
@ -227,18 +229,20 @@ void mips_r4k_init (ram_addr_t ram_size,
be = 0;
#endif
if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
bios_offset = qemu_ram_alloc(NULL, "mips_r4k.bios", BIOS_SIZE);
cpu_register_physical_memory(0x1fc00000, BIOS_SIZE,
bios_offset | IO_MEM_ROM);
memory_region_init_ram(bios, NULL, "mips_r4k.bios", BIOS_SIZE);
memory_region_set_readonly(bios, true);
memory_region_add_subregion(address_space_mem, 0x1fc00000, bios);
load_image_targphys(filename, 0x1fc00000, BIOS_SIZE);
} else if ((dinfo = drive_get(IF_PFLASH, 0, 0)) != NULL) {
uint32_t mips_rom = 0x00400000;
bios_offset = qemu_ram_alloc(NULL, "mips_r4k.bios", mips_rom);
if (!pflash_cfi01_register(0x1fc00000, bios_offset,
memory_region_init_rom_device(bios,
(be ? &pflash_cfi01_ops_be
: &pflash_cfi01_ops_le),
NULL, "mips_r4k.bios", mips_rom);
if (!pflash_cfi01_register(0x1fc00000, bios,
dinfo->bdrv, sector_len,
mips_rom / sector_len,
4, 0, 0, 0, 0, be)) {
4, 0, 0, 0, 0)) {
fprintf(stderr, "qemu: Error registering flash memory.\n");
}
}