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ds1225y: Use stdio instead of QEMUFile

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QEMUFile * is only intended for migration nowadays.  Using it for
anything else just adds pain and a layer of buffers for no good
reason.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2011-09-13 14:41:18 +02:00
parent 3da9eebda9
commit 3a230256e8
1 changed files with 16 additions and 12 deletions
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28
hw/ds1225y.c
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@ -29,7 +29,7 @@ typedef struct {
DeviceState qdev; DeviceState qdev;
uint32_t chip_size; uint32_t chip_size;
char *filename; char *filename;
QEMUFile *file; FILE *file;
uint8_t *contents; uint8_t *contents;
} NvRamState; } NvRamState;
@ -70,9 +70,9 @@ static void nvram_writeb (void *opaque, target_phys_addr_t addr, uint32_t val)
s->contents[addr] = val; s->contents[addr] = val;
if (s->file) { if (s->file) {
qemu_fseek(s->file, addr, SEEK_SET); fseek(s->file, addr, SEEK_SET);
qemu_put_byte(s->file, (int)val); fputc(val, s->file);
qemu_fflush(s->file); fflush(s->file);
} }
} }
@ -108,15 +108,17 @@ static int nvram_post_load(void *opaque, int version_id)
/* Close file, as filename may has changed in load/store process */ /* Close file, as filename may has changed in load/store process */
if (s->file) { if (s->file) {
qemu_fclose(s->file); fclose(s->file);
} }
/* Write back nvram contents */ /* Write back nvram contents */
s->file = qemu_fopen(s->filename, "wb"); s->file = fopen(s->filename, "wb");
if (s->file) { if (s->file) {
/* Write back contents, as 'wb' mode cleaned the file */ /* Write back contents, as 'wb' mode cleaned the file */
qemu_put_buffer(s->file, s->contents, s->chip_size); if (fwrite(s->contents, s->chip_size, 1, s->file) != 1) {
qemu_fflush(s->file); printf("nvram_post_load: short write\n");
}
fflush(s->file);
} }
return 0; return 0;
@ -143,7 +145,7 @@ typedef struct {
static int nvram_sysbus_initfn(SysBusDevice *dev) static int nvram_sysbus_initfn(SysBusDevice *dev)
{ {
NvRamState *s = &FROM_SYSBUS(SysBusNvRamState, dev)->nvram; NvRamState *s = &FROM_SYSBUS(SysBusNvRamState, dev)->nvram;
QEMUFile *file; FILE *file;
int s_io; int s_io;
s->contents = g_malloc0(s->chip_size); s->contents = g_malloc0(s->chip_size);
@ -153,11 +155,13 @@ static int nvram_sysbus_initfn(SysBusDevice *dev)
sysbus_init_mmio(dev, s->chip_size, s_io); sysbus_init_mmio(dev, s->chip_size, s_io);
/* Read current file */ /* Read current file */
file = qemu_fopen(s->filename, "rb"); file = fopen(s->filename, "rb");
if (file) { if (file) {
/* Read nvram contents */ /* Read nvram contents */
qemu_get_buffer(file, s->contents, s->chip_size); if (fread(s->contents, s->chip_size, 1, file) != 1) {
qemu_fclose(file); printf("nvram_sysbus_initfn: short read\n");
}
fclose(file);
} }
nvram_post_load(s, 0); nvram_post_load(s, 0);