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| author | Li Qiang <liq3ea@163.com> | 2019-05-10 09:43:49 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-06-03 14:03:01 +0200 |
| commit | 7fca21c8b376871892946651dddcb2f266dcca5a (patch) | |
| tree | 4b5799c157dd2003a1411ed57bb3514f2be2dbad /hw/misc | |
| parent | c45eb53aabaa620c71ac567ddf4ee89802a97a70 (diff) | |
| download | qemu-7fca21c8b376871892946651dddcb2f266dcca5a.zip | |
edu: uses uint64_t in dma operation
The dma related variable dma.dst/src/cnt is dma_addr_t, it is
uint64_t in x64 platform. Change these usage from uint32_to
uint64_t to avoid trancation in edu_dma_timer.
Signed-off-by: Li Qiang <liq3ea@163.com>
Message-Id: <20190510164349.81507-4-liq3ea@163.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/misc')
| -rw-r--r-- | hw/misc/edu.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/hw/misc/edu.c b/hw/misc/edu.c index 33de05141f..19e5545e2c 100644 --- a/hw/misc/edu.c +++ b/hw/misc/edu.c @@ -98,23 +98,24 @@ static void edu_lower_irq(EduState *edu, uint32_t val) } } -static bool within(uint32_t addr, uint32_t start, uint32_t end) +static bool within(uint64_t addr, uint64_t start, uint64_t end) { return start <= addr && addr < end; } -static void edu_check_range(uint32_t addr, uint32_t size1, uint32_t start, - uint32_t size2) +static void edu_check_range(uint64_t addr, uint64_t size1, uint64_t start, + uint64_t size2) { - uint32_t end1 = addr + size1; - uint32_t end2 = start + size2; + uint64_t end1 = addr + size1; + uint64_t end2 = start + size2; if (within(addr, start, end2) && end1 > addr && within(end1, start, end2)) { return; } - hw_error("EDU: DMA range 0x%.8x-0x%.8x out of bounds (0x%.8x-0x%.8x)!", + hw_error("EDU: DMA range 0x%016"PRIx64"-0x%016"PRIx64 + " out of bounds (0x%016"PRIx64"-0x%016"PRIx64")!", addr, end1 - 1, start, end2 - 1); } @@ -139,13 +140,13 @@ static void edu_dma_timer(void *opaque) } if (EDU_DMA_DIR(edu->dma.cmd) == EDU_DMA_FROM_PCI) { - uint32_t dst = edu->dma.dst; + uint64_t dst = edu->dma.dst; edu_check_range(dst, edu->dma.cnt, DMA_START, DMA_SIZE); dst -= DMA_START; pci_dma_read(&edu->pdev, edu_clamp_addr(edu, edu->dma.src), edu->dma_buf + dst, edu->dma.cnt); } else { - uint32_t src = edu->dma.src; + uint64_t src = edu->dma.src; edu_check_range(src, edu->dma.cnt, DMA_START, DMA_SIZE); src -= DMA_START; pci_dma_write(&edu->pdev, edu_clamp_addr(edu, edu->dma.dst), |