forked from KolibriOS/kolibrios
ATA operation with sector above 128G is error, not operation modulo 128G
git-svn-id: svn://kolibrios.org@1709 a494cfbc-eb01-0410-851d-a64ba20cac60
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c910c0615f
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@ -49,6 +49,12 @@ hd_read:
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; Read through BIOS?
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cmp [hdpos], 0x80
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jae .bios
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; hd_read_{dma,pio} use old ATA with 28 bit for sector number
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cmp eax, 0x10000000
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jb @f
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inc [hd_error]
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jmp return_01
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@@:
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; DMA read is permitted if [allow_dma_access]=1 or 2
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cmp [allow_dma_access], 2
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ja .nodma
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@ -235,6 +241,8 @@ hd_write:
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align 4
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cache_write_pio:
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cmp dword[esi],0x10000000
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jae .bad
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; call disable_ide_int
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call wait_for_hd_idle
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@ -295,6 +303,9 @@ cache_write_pio:
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pop esi ecx
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ret
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.bad:
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inc [hd_error]
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ret
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save_hd_wait_timeout:
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@ -686,6 +697,9 @@ write_cache_sector:
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write_cache_chain:
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cmp [hdpos], 0x80
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jae bd_write_cache_chain
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mov eax,[cache_chain_ptr]
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cmp dword[eax],0x10000000
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jae .bad
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push esi
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mov eax, IDE_descriptor_table
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mov edx,eax
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@ -779,6 +793,9 @@ write_cache_chain:
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jnz hd_write_error_dma
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pop esi
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ret
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.bad:
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inc [hd_error]
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ret
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uglobal
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IDEContrRegsBaseAddr dw ?
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