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https://github.com/KolibriOS/kolibrios.git
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kolibri-ahci:
- fixed two stupid errors, now work in qemu git-svn-id: svn://kolibrios.org@9145 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Rustem Gimadutdinov (rgimad)
parent
7fed66e496
commit
eb103eed40
@ -722,6 +722,10 @@ proc ahci_port_identify stdcall, pdata: dword
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mov edx, [esi + 200 + 4]
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DEBUGF 1, "lba48 mode sector count = 0x%x:%x\n", edx, eax
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mov ebx, [pdata]
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mov dword [ebx + PORT_DATA.sector_count], eax
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mov dword [ebx + PORT_DATA.sector_count + 4], edx
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shrd eax, edx, 11 ; i.e *512 / 1024 / 1024, 512 - sector size
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DEBUGF 1, "disk capacity = %u MiB ", eax
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shrd eax, edx, 10 ; / 1024
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@ -746,145 +750,6 @@ proc ahci_querymedia stdcall, pdata, mediainfo
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ret
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endp
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;------------------------TEST-------------------------------
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proc ahci_read_first_sector stdcall pdata: dword
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locals
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cmdslot dd ?
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cmdheader dd ?
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cmdtable dd ?
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buf_phys dd ?
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buf_virt dd ?
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;numsectors dd ?
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endl
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pushad
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mov ecx, ahci_mutex
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call mutex_lock
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mov esi, [pdata] ; esi - address of PORT_DATA struct of port
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mov edi, [esi + PORT_DATA.port] ; edi - address of HBA_PORT struct of port
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mov eax, edi
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call ahci_find_cmdslot
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cmp eax, -1
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jne .cmdslot_found
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DEBUGF 1, "No free cmdslot on port %u\n", [esi + PORT_DATA.portno]
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jmp .ret
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.cmdslot_found:
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mov [cmdslot], eax
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DEBUGF 1, "Found free cmdslot %u on port %u\n", [cmdslot], [esi + PORT_DATA.portno]
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shl eax, BSF sizeof.HBA_CMD_HDR
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add eax, [esi + PORT_DATA.clb]
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mov [cmdheader], eax ; address of virtual mapping of command header
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mov eax, [cmdslot]
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mov eax, [esi + eax*4 + PORT_DATA.ctba_arr]
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mov [cmdtable], eax ; address of virtual mapping of command table of command header
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mov eax, [cmdheader]
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and [eax + HBA_CMD_HDR.flags1], not 0x1F ; zero out lower 5 bits, they will be used for cfl
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or [eax + HBA_CMD_HDR.flags1], (sizeof.FIS_REG_H2D / 4) ; set command fis length in dwords
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movzx bx, [eax + HBA_CMD_HDR.flags1]
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btr bx, 6 ; flag W = 0
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mov [eax + HBA_CMD_HDR.flags1], bl
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movzx bx, [eax + HBA_CMD_HDR.flags2]
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btr bx, 2 ; flag C = 0
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mov [eax + HBA_CMD_HDR.flags2], bl
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mov [eax + HBA_CMD_HDR.prdtl], 1
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; zero out the command table
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stdcall _memset, [cmdtable], 0, sizeof.HBA_CMD_TBL
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DEBUGF 1, " prdtl = %u\n", [eax + HBA_CMD_HDR.prdtl]:2
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call alloc_page
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mov [buf_phys], eax
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stdcall map_io_mem, eax, 4096, PG_NOCACHE + PG_SWR ; map to virt memory so we can work with it
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mov [buf_virt], eax
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mov eax, [cmdtable]
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mov ebx, [buf_phys]
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DEBUGF 1, "DBA = 0x%x\n", ebx
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mov [eax + HBA_CMD_TBL.prdt_entry + HBA_PRDT_ENTRY.dba], ebx
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mov [eax + HBA_CMD_TBL.prdt_entry + HBA_PRDT_ENTRY.dbau], 0
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and [eax + HBA_CMD_TBL.prdt_entry + HBA_PRDT_ENTRY.flags], not 0x3FFFFF ; zero out lower 22 bits, they used for byte count
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or [eax + HBA_CMD_TBL.prdt_entry + HBA_PRDT_ENTRY.flags], 512 - 1 ; reason why -1 see in spec on this field
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; or [eax + HBA_CMD_TBL.prdt_entry + HBA_PRDT_ENTRY.flags], 1 shl 31 ; enable interrupt on completion
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mov eax, [cmdtable]
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mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.fis_type], FIS_TYPE_REG_H2D
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movzx ebx, byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.flags]
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bts ebx, bit_AHCI_H2D_FLAG_CMD ; Set Command bit in H2D FIS.
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mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.flags], bl
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mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.command], ATA_CMD_READ_DMA_EX
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mov ebx, 0 ; start sector is 0
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mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.lba0], bl
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mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.lba1], bl
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mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.lba2], bl
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mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.device], 1 shl 6 ; LBA mode
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mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.lba3], bl
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mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.lba4], bl
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mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.lba5], bl
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; num sectors to read = 1
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mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.countl], 1
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mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.counth], 0
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;mov eax, [cmdheader]
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;DEBUGF 1, "PRDBC = %u\n", [eax + HBA_CMD_HDR.prdbc]
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; Wait on previous command to complete, before issuing new command.
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stdcall ahci_port_wait, edi, AHCI_PORT_TIMEOUT
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mov eax, [cmdslot]
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bts [edi + HBA_PORT.command_issue], eax ; Issue the command
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; mov ebx, 20
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; call delay_hs
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; Wait for command completion
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stdcall ahci_port_cmd_wait, edi, eax;, AHCI_PORT_CMD_TIMEOUT
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DEBUGF 1, "sata_error register = 0x%x\n", [edi + HBA_PORT.sata_error]
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DEBUGF 1, "reading completed\n"
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;mov eax, [cmdheader]
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;DEBUGF 1, "PRDBC = %u\n", [eax + HBA_CMD_HDR.prdbc]
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xor ecx, ecx
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mov esi, [buf_virt]
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.print_data:
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cmp ecx, 512
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jae .end_print_data
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mov al, byte [esi + ecx]
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mov byte [tmpstr2], al
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mov byte [tmpstr2 + 1], 0
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DEBUGF 1, "0x%x(%s) ", al:2, tmpstr2
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inc ecx
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jmp .print_data
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.end_print_data:
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DEBUGF 1, "\n"
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.ret:
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mov ecx, ahci_mutex
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call mutex_unlock
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popad
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xor eax, eax
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ret
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endp
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tmpstr2 rb 16
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;----------------------------------------------------------
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; Read sectors
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; return value: 0 = success, otherwise = error
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proc ahci_read stdcall pdata: dword, buffer: dword, startsector: qword, numsectors_ptr:dword
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@ -985,6 +850,7 @@ proc ahci_read stdcall pdata: dword, buffer: dword, startsector: qword, numsecto
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mov ebx, [buffer_pos]
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and ebx, 0xFFF
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mov eax, [buffer_pos]
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call get_pg_addr ; eax = phys addr
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add eax, ebx
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DEBUGF 1, " PHYS = 0x%x\n", eax
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@ -1007,6 +873,7 @@ proc ahci_read stdcall pdata: dword, buffer: dword, startsector: qword, numsecto
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mov ebx, [buffer_pos]
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and ebx, 0xFFF
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mov eax, [buffer_pos]
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call get_pg_addr ; eax = phys addr
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add eax, ebx
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DEBUGF 1, " PHYS. = 0x%x\n", eax
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@ -1064,21 +931,21 @@ proc ahci_read stdcall pdata: dword, buffer: dword, startsector: qword, numsecto
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DEBUGF 1, "reading completed\n"
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xor ecx, ecx
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mov esi, [buffer]
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.print_data:
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cmp ecx, 512
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jae .end_print_data
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; xor ecx, ecx
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; mov esi, [buffer]
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; .print_data:
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; cmp ecx, 512
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; jae .end_print_data
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mov al, byte [esi + ecx]
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mov byte [tmpstr], al
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mov byte [tmpstr + 1], 0
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DEBUGF 1, "0x%x(%s) ", al:2, tmpstr
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; mov al, byte [esi + ecx]
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; mov byte [tmpstr], al
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; mov byte [tmpstr + 1], 0
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; DEBUGF 1, "0x%x(%s) ", al:2, tmpstr
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inc ecx
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jmp .print_data
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.end_print_data:
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DEBUGF 1, "\n"
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; inc ecx
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; jmp .print_data
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; .end_print_data:
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; DEBUGF 1, "\n"
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.ret:
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mov ecx, ahci_mutex
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