From a5f6a10b433eb54604d9ea811c49e124a9a36841 Mon Sep 17 00:00:00 2001 From: "Rustem Gimadutdinov (rgimad)" Date: Sun, 14 Nov 2021 10:30:27 +0000 Subject: [PATCH] kolibri-ahci: sync with trunk git-svn-id: svn://kolibrios.org@9264 a494cfbc-eb01-0410-851d-a64ba20cac60 --- kernel/branches/kolibri-ahci/blkdev/ahci.inc | 84 ++++++++++++++------ 1 file changed, 60 insertions(+), 24 deletions(-) diff --git a/kernel/branches/kolibri-ahci/blkdev/ahci.inc b/kernel/branches/kolibri-ahci/blkdev/ahci.inc index 622bfe016a..7add086e33 100644 --- a/kernel/branches/kolibri-ahci/blkdev/ahci.inc +++ b/kernel/branches/kolibri-ahci/blkdev/ahci.inc @@ -314,10 +314,25 @@ ends ; -------------------------------------------------- uglobal + align 4 - ahci_controller AHCI_DATA - port_data_arr rb (sizeof.PORT_DATA*AHCI_MAX_PORTS) - ahci_mutex MUTEX + +struct SD_DATA + ahci_controller AHCI_DATA + port_data_arr rb (sizeof.PORT_DATA*AHCI_MAX_PORTS) + ahci_mutex MUTEX +ends + +sd1_data SD_DATA +sd2_data SD_DATA +sd3_data SD_DATA +sd4_data SD_DATA +sd5_data SD_DATA +sd6_data SD_DATA +sd7_data SD_DATA +sd8_data SD_DATA + +sd_data dd ? endg iglobal @@ -332,19 +347,20 @@ ahci_callbacks: dd 0 ; no flush function dd 0 ; use default cache size .end: -hd_name db 'hd', 0, 0, 0 -hd_counter dd 0 +hd_name db 'sd', 0, 0, 0 +sd_counter dd 0 +controllers_counter dd 0 endg ; ----------------------------------------------------------------------- ; detect ahci controller and initialize align 4 ahci_init: - mov ecx, ahci_mutex - call mutex_init - mov ecx, ahci_controller + mov ecx, sd1_data.ahci_controller mov esi, pcidev_list + mov [sd_data], sd1_data + mov [sd_counter], 0 .find_ahci_ctr: mov esi, [esi + PCIDEV.fd] cmp esi, pcidev_list @@ -361,7 +377,15 @@ ahci_init: ret .ahci_ctr_found: - mov [ahci_controller + AHCI_DATA.pcidev], esi + push esi + + mov ecx, [sd_data] + add ecx, SD_DATA.ahci_mutex + call mutex_init + + mov ecx, [sd_data] + add ecx, SD_DATA.ahci_controller + mov [ecx + AHCI_DATA.pcidev], esi mov eax, [esi+PCIDEV.class] movzx ebx, byte [esi+PCIDEV.bus] @@ -387,7 +411,11 @@ ahci_init: ; Map MMIO region to virtual memory stdcall map_io_mem, edi, eax, PG_SWR + PG_NOCACHE - mov [ahci_controller + AHCI_DATA.abar], eax + push ecx + mov ecx, [sd_data] + add ecx, SD_DATA.ahci_controller + mov [ecx + AHCI_DATA.abar], eax + pop ecx DEBUGF 1, "K: AHCI controller BAR5 mapped to virtual addr %x\n", eax ; Restore the original BAR5 value @@ -405,12 +433,16 @@ ahci_init: stdcall pci_write32, ebx, ebp, PCI_REG_STATUS_COMMAND, eax ; ; Print some register values to debug board - ; mov esi, [ahci_controller + AHCI_DATA.abar] + ; mov esi, [[sd_data].ahci_controller + AHCI_DATA.abar] ; DEBUGF 1, "K: AHCI: HBA.cap = %x, HBA.ghc = %x, HBA_MEM.version = %x\n", [esi + HBA_MEM.cap], [esi + HBA_MEM.ghc], [esi + HBA_MEM.version] ;------------------------------------------------------- ; Request BIOS/OS ownership handoff, if supported. (TODO check correctness) - mov esi, [ahci_controller + AHCI_DATA.abar] + push ecx + mov ecx, [sd_data] + add ecx, SD_DATA.ahci_controller + mov esi, [ecx + AHCI_DATA.abar] + pop ecx ;mov ebx, [esi + HBA_MEM.cap2] ;DEBUGF 1, "K: AHCI: HBA_MEM.cap2 = %x\n", ebx bt [esi + HBA_MEM.cap2], bit_AHCI_HBA_CAP2_BOH @@ -460,7 +492,6 @@ ahci_init: ; IDT::RegisterInterruptHandler(irq, InterruptHandler); ; ahciHBA->is = 0xffffffff; - mov [hd_counter], 0 xor ebx, ebx .detect_drives: cmp ebx, AHCI_MAX_PORTS @@ -534,7 +565,8 @@ ahci_init: mov ecx, ebx imul ecx, sizeof.PORT_DATA - add ecx, port_data_arr + mov ecx, [sd_data] + add ecx, SD_DATA.port_data_arr stdcall ahci_port_rebase, edi, ebx, ecx ; DEBUGF 1, "K: AHCI: After REBASING, signature = 0x%x\n", [edi + HBA_PORT.signature] @@ -573,11 +605,11 @@ ahci_init: ;stdcall ahci_read_first_sector, ecx push ecx - mov eax, [hd_counter] - inc [hd_counter] + mov eax, [sd_counter] + inc [sd_counter] xor edx, edx mov ecx, 10 - div ecx ; eax = hd_counter / 10, edx = hd_counter % 10 + div ecx ; eax = sd_counter / 10, edx = sd_counter % 10 test eax, eax jz .concat_one add al, '0' @@ -615,8 +647,12 @@ ahci_init: .end_detect_drives: - - + pop esi + add [sd_data], sizeof.SD_DATA + inc [controllers_counter] + cmp [controllers_counter], 8 + jnz .find_ahci_ctr + DEBUGF 1, "AHCI: reached controllers number limit\n" ret ; ------------------------------------------------- @@ -1023,7 +1059,7 @@ proc ahci_read stdcall pdata: dword, buffer: dword, startsector: qword, numsecto pushad - mov ecx, ahci_mutex + mov ecx, sd1_data.ahci_mutex call mutex_lock mov eax, [numsectors_ptr] @@ -1061,7 +1097,7 @@ proc ahci_read stdcall pdata: dword, buffer: dword, startsector: qword, numsecto jmp .read_loop .read_loop_end: - mov ecx, ahci_mutex + mov ecx, sd1_data.ahci_mutex call mutex_unlock popad @@ -1078,7 +1114,7 @@ proc ahci_write stdcall pdata: dword, buffer: dword, startsector: qword, numsect pushad - mov ecx, ahci_mutex + mov ecx, sd1_data.ahci_mutex call mutex_lock mov eax, [numsectors_ptr] @@ -1107,7 +1143,7 @@ proc ahci_write stdcall pdata: dword, buffer: dword, startsector: qword, numsect jmp .write_loop .write_loop_end: - mov ecx, ahci_mutex + mov ecx, sd1_data.ahci_mutex call mutex_unlock popad @@ -1341,7 +1377,7 @@ ahci_find_cmdslot: mov ebx, [eax + HBA_PORT.sata_active] or ebx, [eax + HBA_PORT.command_issue] ; ebx = slots - mov esi, [ahci_controller + AHCI_DATA.abar] + mov esi, [sd1_data.ahci_controller + AHCI_DATA.abar] mov edx, [esi + HBA_MEM.cap] shr edx, 8 and edx, 0xf