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Change MMIO callbacks to use offsets, not absolute addresses.

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Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5849 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2008-12-01 18:59:50 +00:00
parent 6ad1d22b15
commit 8da3ff1809
82 changed files with 453 additions and 869 deletions
Download patch file Download diff file Expand all files Collapse all files

17
hw/ds1225y.c
View file

@ -30,7 +30,6 @@
typedef struct ds1225y_t
{
target_phys_addr_t mem_base;
uint32_t chip_size;
QEMUFile *file;
uint8_t *contents;
@ -41,14 +40,9 @@ typedef struct ds1225y_t
static uint32_t nvram_readb (void *opaque, target_phys_addr_t addr)
{
ds1225y_t *s = opaque;
int64_t pos;
uint32_t val;
pos = addr - s->mem_base;
if (pos >= s->chip_size)
pos -= s->chip_size;
val = s->contents[pos];
val = s->contents[addr];
#ifdef DEBUG_NVRAM
printf("nvram: read 0x%x at " TARGET_FMT_lx "\n", val, addr);
@ -77,16 +71,14 @@ static uint32_t nvram_readl (void *opaque, target_phys_addr_t addr)
static void nvram_writeb (void *opaque, target_phys_addr_t addr, uint32_t val)
{
ds1225y_t *s = opaque;
int64_t pos;
#ifdef DEBUG_NVRAM
printf("nvram: write 0x%x at " TARGET_FMT_lx "\n", val, addr);
#endif
pos = addr - s->mem_base;
s->contents[pos] = val & 0xff;
s->contents[addr] = val & 0xff;
if (s->file) {
qemu_fseek(s->file, pos, SEEK_SET);
qemu_fseek(s->file, addr, SEEK_SET);
qemu_put_byte(s->file, (int)val);
qemu_fflush(s->file);
}
@ -117,7 +109,7 @@ static void nvram_writeb_protected (void *opaque, target_phys_addr_t addr, uint3
return;
}
nvram_writeb(opaque, addr - s->chip_size, val);
nvram_writeb(opaque, addr, val);
}
static void nvram_writew_protected (void *opaque, target_phys_addr_t addr, uint32_t val)
@ -167,7 +159,6 @@ void *ds1225y_init(target_phys_addr_t mem_base, const char *filename)
if (!s->contents) {
return NULL;
}
s->mem_base = mem_base;
s->protection = 7;
/* Read current file */