diff options
| -rw-r--r-- | hw/ide/core.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/hw/ide/core.c b/hw/ide/core.c index 3e7a65162c..075752897a 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -34,6 +34,8 @@ #include <hw/ide/internal.h> +#define IDE_PAGE_SIZE 4096 + static int smart_attributes[][5] = { /* id, flags, val, wrst, thrsh */ { 0x01, 0x03, 0x64, 0x64, 0x06}, /* raw read */ @@ -433,13 +435,13 @@ static int dma_buf_prepare(BMDMAState *bm, int is_write) } prd; int l, len; - qemu_sglist_init(&s->sg, s->nsector / (PAGE_SIZE / 512) + 1); + qemu_sglist_init(&s->sg, s->nsector / (IDE_PAGE_SIZE / 512) + 1); s->io_buffer_size = 0; for(;;) { if (bm->cur_prd_len == 0) { /* end of table (with a fail safe of one page) */ if (bm->cur_prd_last || - (bm->cur_addr - bm->addr) >= PAGE_SIZE) + (bm->cur_addr - bm->addr) >= IDE_PAGE_SIZE) return s->io_buffer_size != 0; cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8); bm->cur_addr += 8; @@ -522,7 +524,7 @@ static int dma_buf_rw(BMDMAState *bm, int is_write) if (bm->cur_prd_len == 0) { /* end of table (with a fail safe of one page) */ if (bm->cur_prd_last || - (bm->cur_addr - bm->addr) >= PAGE_SIZE) + (bm->cur_addr - bm->addr) >= IDE_PAGE_SIZE) return 0; cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8); bm->cur_addr += 8; |