From a9121a0da991954b8f9b4e36673801e856e87986 Mon Sep 17 00:00:00 2001 From: Ivan Baravy Date: Wed, 21 Oct 2020 14:23:51 +0000 Subject: [PATCH] kernel: Split acpi.inc and hpet.inc from init.inc. Also, replace some hardcoded constants with macros. git-svn-id: svn://kolibrios.org@8111 a494cfbc-eb01-0410-851d-a64ba20cac60 --- kernel/trunk/acpi/acpi.inc | 298 +++++++++++++++++++++++++++++++++ kernel/trunk/boot/shutdown.inc | 163 +++++++++--------- kernel/trunk/const.inc | 3 +- kernel/trunk/core/apic.inc | 5 - kernel/trunk/core/hpet.inc | 74 ++++++++ kernel/trunk/init.inc | 275 +++++++----------------------- kernel/trunk/kernel.asm | 10 +- kernel/trunk/kernel32.inc | 3 + 8 files changed, 524 insertions(+), 307 deletions(-) create mode 100644 kernel/trunk/acpi/acpi.inc create mode 100644 kernel/trunk/core/hpet.inc diff --git a/kernel/trunk/acpi/acpi.inc b/kernel/trunk/acpi/acpi.inc new file mode 100644 index 0000000000..da86817925 --- /dev/null +++ b/kernel/trunk/acpi/acpi.inc @@ -0,0 +1,298 @@ +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; ;; +;; Copyright (C) KolibriOS team 2004-2020. All rights reserved. ;; +;; Distributed under terms of the GNU General Public License ;; +;; ;; +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +$Revision$ + +; ACPI Generic Address Structure +struct GAS + ASID db ? ; address space id + BitWidth db ? + BitOffset db ? + AccessSize db ? + Address DQ ? +ends + +ASID.SYSTEM_MEMORY = 0 +ASID.SYSTEM_IO = 1 +ASID.PCI_CONFIG = 2 +ASID.PCI_EC = 3 +ASID.PCI_SMBUS = 4 + +ACCESS_SIZE.UNDEFINED = 0 +ACCESS_SIZE.BYTE = 1 +ACCESS_SIZE.WORD = 2 +ACCESS_SIZE.DWORD = 3 +ACCESS_SIZE.QWORD = 4 + + +struct ACPI_RSDP + Signature DQ ? + Checksum db ? + OEMID rb 6 + Revision db ? + RsdtAddress dd ? + ; for Revision >= 2 + Length dd ? + XsdtAddress DQ ? + ExtChecksum db ? + Reserved rb 3 +ends + +struct ACPI_TABLE ; DESCRIPTION_HEADER + Signature dd ? + Length dd ? + Revision db ? + Checksum db ? + OEMID rb 6 + OEMTableID rb 8 + OEMRevision rb 4 + CreatorID rb 4 + CreatorRevision rb 4 +ends + +struct ACPI_RSDT ACPI_TABLE + Entry rd (0x1000-sizeof.ACPI_TABLE)/4 +ends + +struct ACPI_HPET ACPI_TABLE + ID dd ? + Base GAS + SeqNumber db ? + MainCounterMinimum dw ? + PageProtectionOEM db ? +ends + +struct ACPI_MADT ACPI_TABLE + Local_IC_Addr dd ? + Flags dd ? + IntController rb 0x1000-sizeof.ACPI_TABLE-ACPI_MADT.IntController +ends + +struct ACPI_FADT ACPI_TABLE + FirmwareCtrl dd ? + DSDT dd ? + db ? + PreferredPMProfile db ? + SCI_INT dw ? + SMI_CMD dd ? + ACPI_ENABLE db ? + ACPI_DISABLE db ? + S4BIOS_REQ db ? + PSTATE_CNT db ? + PM1a_EVT_BLK dd ? + PM1b_EVT_BLK dd ? + PM1a_CNT_BLK dd ? + PM1b_CNT_BLK dd ? + PM2_CNT_BLK dd ? + PM_TMR_BLK dd ? + GPE0_BLK dd ? + GPE1_BLK dd ? + PM1_EVT_LEN db ? + PM1_CNT_LEN db ? + PM2_CNT_LEN db ? + PM_TMR_LEN db ? + GPE0_BLK_LEN db ? + GPE1_BLK_LEN db ? + GPE1_BASE db ? + CST_CNT db ? + P_LVL2_LAT dw ? + P_LVL3_LAT dw ? + FLUSH_SIZE dw ? + FLUSH_STRIDE dw ? + DUTY_OFFSET db ? + DUTY_WIDTH db ? + DAY_ALRM db ? + MON_ALRM db ? + CENTURY db ? + IAPC_BOOT_ARCH dw ? + db ? + Flags dd ? + RESET_REG GAS + RESET_VALUE db ? + ARM_BOOT_ARCH dw ? + FADT_Minor_Version db ? + X_FIRMWARE_CTRL DQ ? + X_DSDT DQ ? + X_PM1a_EVT_BLK GAS + X_PM1b_EVT_BLK GAS + X_PM1a_CNT_BLK GAS + X_PM1b_CNT_BLK GAS + X_PM2_CNT_BLK GAS + X_PM_TMR_BLK GAS + X_GPE0_BLK GAS + X_GPE1_BLK GAS + SLEEP_CONTROL_REG GAS + SLEEP_STATUS_REG GAS + HypervisorVendorID rb 8 +ends + +MAX_SSDTS = 32 + +iglobal +align 4 +acpi_lapic_base dd 0xfee00000 ; default local apic base +endg + +uglobal +align 4 +acpi_dev_data rd 1 +acpi_dev_size rd 1 + +acpi_rsdp_base rd 1 +acpi_rsdt_base rd 1 +acpi_rsdt_size rd 1 +acpi_fadt_base rd 1 +acpi_fadt_size rd 1 +acpi_ssdt_base rd MAX_SSDTS +acpi_ssdt_size rd MAX_SSDTS +acpi_ssdt_cnt rd 1 +acpi_madt_base rd 1 +acpi_madt_size rd 1 +acpi_ioapic_base rd MAX_IOAPICS +acpi_hpet_base rd 1 +acpi_hpet_size rd 1 +cpu_count rd 1 +smpt rd 16 +endg + +align 4 +acpi_get_root_ptr: + mov eax, [acpi_rsdp_base] + ret + +align 4 +rsdt_find: ;ecx= rsdt edx= SIG + push ebx + push esi + + lea ebx, [ecx+ACPI_RSDT.Entry] + mov esi, [ecx+ACPI_RSDT.Length] + add esi, ecx +align 4 +.next: + mov eax, [ebx] + cmp [eax], edx + je .done + + add ebx, 4 + cmp ebx, esi + jb .next + + xor eax, eax + pop esi + pop ebx + ret + +.done: + mov eax, [ebx] + pop esi + pop ebx + ret + +align 4 +check_acpi: + cmp [acpi_rsdp_base], 0 + jz .done + stdcall map_io_mem, [acpi_rsdp_base], sizeof.ACPI_RSDP, \ + PG_GLOBAL+PAT_WB+PG_READ + mov [acpi_rsdp_base], eax +.rsdp_done: + cmp [acpi_rsdt_base], 0 + jz .rsdt_done + stdcall map_io_mem, [acpi_rsdt_base], [acpi_rsdt_size], \ + PG_GLOBAL+PAT_WB+PG_READ + mov [acpi_rsdt_base], eax +.rsdt_done: + cmp [acpi_fadt_base], 0 + jz .fadt_done + stdcall map_io_mem, [acpi_fadt_base], [acpi_fadt_size], \ + PG_GLOBAL+PAT_WB+PG_READ + mov [acpi_fadt_base], eax +.fadt_done: + cmp [acpi_hpet_base], 0 + jz .hpet_done + stdcall map_io_mem, [acpi_hpet_base], [acpi_hpet_size], \ + PG_GLOBAL+PAT_WB+PG_READ + mov [acpi_hpet_base], eax + mov eax, [eax+ACPI_HPET.Base.Address.lo] + mov [hpet_base], eax +.hpet_done: + cmp [acpi_madt_base], 0 + jz .madt_done + stdcall map_io_mem, [acpi_madt_base], [acpi_madt_size], \ + PG_GLOBAL+PAT_WB+PG_READ + mov [acpi_madt_base], eax + + mov ecx, [eax+ACPI_MADT.Local_IC_Addr] + mov [acpi_lapic_base], ecx + + mov edi, smpt + mov ebx, [ecx+APIC_ID] + shr ebx, 24 ; read APIC ID + + mov [edi], ebx ; bootstrap always first + inc [cpu_count] + add edi, 4 + + mov [ioapic_cnt], 0 + lea edx, [eax+ACPI_MADT.IntController] + mov ecx, [eax+ACPI_MADT.Length] + add ecx, eax +.check: + mov eax, [edx] + cmp al, 0 + je .lapic + cmp al, 1 + je .io_apic + jmp .next +.lapic: + shr eax, 24 ; get APIC ID + cmp eax, ebx ; skip self + je .next + + test [edx+4], byte 1 ; is enabled ? + jz .next + + cmp [cpu_count], 16 + jae .next + + stosd ; store APIC ID + inc [cpu_count] + jmp .next + +.io_apic: + mov eax, [ioapic_cnt] + push dword[edx+4] + pop [acpi_ioapic_base+eax*4] + push dword[edx+8] + pop [ioapic_gsi_base+eax*4] + inc [ioapic_cnt] + jmp .next + +.next: + mov eax, [edx] + movzx eax, ah + add edx, eax + cmp edx, ecx + jb .check +.madt_done: + + xor ecx, ecx +.next_ssdt: + cmp ecx, [acpi_ssdt_cnt] + jz .ssdt_done + push ecx + stdcall map_io_mem, [acpi_ssdt_base+ecx*4], [acpi_ssdt_size+ecx*4], \ + PG_GLOBAL+PAT_WB+PG_READ + pop ecx + mov [acpi_ssdt_base+ecx*4], eax + inc ecx + jmp .next_ssdt +.ssdt_done: + +.done: + ret diff --git a/kernel/trunk/boot/shutdown.inc b/kernel/trunk/boot/shutdown.inc index 45a94b3661..ff5388db14 100644 --- a/kernel/trunk/boot/shutdown.inc +++ b/kernel/trunk/boot/shutdown.inc @@ -13,33 +13,12 @@ $Revision$ -; ACPI Generic Address Structure -struct GAS - asid db ? ; address space id - bit_width db ? - bit_offset db ? - access_size db ? - address DQ ? -ends - -ASID.SYSTEM_MEMORY = 0 -ASID.SYSTEM_IO = 1 -ASID.PCI_CONFIG = 2 -ASID.PCI_EC = 3 -ASID.PCI_SMBUS = 4 - -ACCESS_SIZE.UNDEFINED = 0 -ACCESS_SIZE.BYTE = 1 -ACCESS_SIZE.WORD = 2 -ACCESS_SIZE.DWORD = 3 -ACCESS_SIZE.QWORD = 4 - align 4 system_shutdown: ; shut down the system - cmp byte [BOOT.shutdown_type], SYSTEM_SHUTDOWN + cmp [BOOT.shutdown_type], SYSTEM_SHUTDOWN jb @F - cmp byte [BOOT.shutdown_type], SYSTEM_RESTART + cmp [BOOT.shutdown_type], SYSTEM_RESTART jbe .valid @@: ret @@ -83,7 +62,7 @@ yes_shutdown_param: cli call IRQ_mask_all - mov eax, dword[BOOT.shutdown_type] + movzx eax, [BOOT.shutdown_type] cmp al, SYSTEM_RESTART jne @F @@ -98,34 +77,24 @@ yes_shutdown_param: mov ecx, (restart_code_end - restart_code_start)/4 rep movsd - call create_trampoline_pgmap - mov cr3, eax - jmp @F -org $-OS_BASE -@@: - -;disable paging - - mov eax, cr0 - and eax, 0x7FFFFFFF - mov cr0, eax - mov eax, cr3 - mov cr3, eax - - cmp byte [BOOT_LO.shutdown_type], SYSTEM_SHUTDOWN - jne no_acpi_power_off + cmp [BOOT.shutdown_type], SYSTEM_SHUTDOWN + jne not_power_off ; system_power_off - mov ebx, [acpi_fadt_base-OS_BASE] - cmp dword [ebx], 'FACP' - jne no_acpi_power_off - mov esi, [acpi_dsdt_base-OS_BASE] - cmp dword [esi], 'DSDT' - jne no_acpi_power_off - mov eax, [esi+4] ; DSDT length + mov ebx, [acpi_fadt_base] + test ebx, ebx + jz no_acpi + cmp [ebx+ACPI_TABLE.Signature], 'FACP' + jne no_acpi + mov esi, [acpi_ssdt_base] ; first SSDT is DSDT + test esi, esi + jz no_acpi + cmp [esi+ACPI_TABLE.Signature], 'DSDT' + jne no_acpi + mov eax, [esi+ACPI_TABLE.Length] sub eax, 36+4 - jbe no_acpi_power_off + jbe no_acpi add esi, 36 .scan_dsdt: cmp dword [esi], '_S5_' @@ -143,7 +112,7 @@ org $-OS_BASE cmp byte [esi], 0 ; 0 means zero byte, 0Ah xx means byte xx jz @f cmp byte [esi], 0xA - jnz no_acpi_power_off + jnz no_acpi inc esi mov cl, [esi] @@: @@ -153,7 +122,7 @@ org $-OS_BASE cmp byte [esi], 0 jz @f cmp byte [esi], 0xA - jnz no_acpi_power_off + jnz no_acpi inc esi mov ch, [esi] @@: @@ -162,14 +131,14 @@ org $-OS_BASE inc esi dec eax jnz .scan_dsdt - jmp no_acpi_power_off + jmp no_acpi do_acpi_power_off: - mov edx, [ebx+48] + mov edx, [ebx+ACPI_FADT.SMI_CMD] test edx, edx jz .nosmi - mov al, [ebx+52] + mov al, [ebx+ACPI_FADT.ACPI_ENABLE] out dx, al - mov edx, [ebx+64] + mov edx, [ebx+ACPI_FADT.PM1a_CNT_BLK] @@: in ax, dx test al, 1 @@ -178,12 +147,12 @@ do_acpi_power_off: and cx, 0x0707 shl cx, 2 or cx, 0x2020 - mov edx, [ebx+64] + mov edx, [ebx+ACPI_FADT.PM1a_CNT_BLK] in ax, dx and ax, 203h or ah, cl out dx, ax - mov edx, [ebx+68] + mov edx, [ebx+ACPI_FADT.PM1b_CNT_BLK] test edx, edx jz @f in ax, dx @@ -191,40 +160,72 @@ do_acpi_power_off: or ah, ch out dx, ax @@: - jmp $ + jmp no_acpi -no_acpi_power_off: - cmp byte[BOOT_LO.shutdown_type], SYSTEM_REBOOT - jnz no_acpi_reboot +not_power_off: + cmp [BOOT.shutdown_type], SYSTEM_REBOOT + jnz not_reboot ; try to reboot via ACPI fixed features - mov ebx, [acpi_fadt_base-OS_BASE] - cmp dword[ebx], 'FACP' - jne no_acpi_power_off - test dword[ebx+0x70], 1 SHL 10 ; RESET_REG_SUP - jz no_acpi_reboot - cmp [ebx+0x74+GAS.asid], ASID.SYSTEM_IO - jnz no_acpi_reboot - cmp [ebx+0x74+GAS.bit_width], 8 - jnz no_acpi_reboot - cmp [ebx+0x74+GAS.bit_offset], 0 - jnz no_acpi_reboot - cmp [ebx+0x74+GAS.access_size], ACCESS_SIZE.BYTE - ja no_acpi_reboot - cmp [ebx+0x74+GAS.address.hi], 0 - jnz no_acpi_reboot - mov edx, [ebx+0x74+GAS.address.lo] - movzx eax, byte[ebx+0x80] + mov ebx, [acpi_fadt_base] + test ebx, ebx + jz no_acpi + cmp [ebx+ACPI_TABLE.Signature], 'FACP' + jne no_acpi + cmp [ebx+ACPI_FADT.Length], ACPI_FADT.RESET_VALUE + jbe no_acpi + test [ebx+ACPI_FADT.Flags], 1 SHL 10 ; reset_reg_supported + jz no_acpi + cmp [ebx+ACPI_FADT.RESET_REG.ASID], ASID.SYSTEM_IO + jnz no_acpi + cmp [ebx+ACPI_FADT.RESET_REG.BitWidth], 8 + jnz no_acpi + cmp [ebx+ACPI_FADT.RESET_REG.BitOffset], 0 + jnz no_acpi + cmp [ebx+ACPI_FADT.RESET_REG.AccessSize], ACCESS_SIZE.BYTE + ja no_acpi + cmp [ebx+ACPI_FADT.RESET_REG.Address.hi], 0 + jnz no_acpi + ; 'enable' ACPI + mov edx, [ebx+ACPI_FADT.SMI_CMD] + test edx, edx + jz .nosmi + mov al, [ebx+ACPI_FADT.ACPI_ENABLE] out dx, al - jmp $ - ; unreachable -no_acpi_reboot: + mov edx, [ebx+ACPI_FADT.PM1a_CNT_BLK] +@@: + in ax, dx + test al, 1 + jz @b +.nosmi: + + mov edx, [ebx+ACPI_FADT.RESET_REG.Address.lo] + movzx eax, [ebx+ACPI_FADT.RESET_VALUE] + out dx, al + jmp no_acpi + +not_reboot: +no_acpi: + call create_trampoline_pgmap + mov cr3, eax + jmp @F +org $-OS_BASE +@@: + +;disable paging + + mov eax, cr0 + and eax, 0x7FFFFFFF + mov cr0, eax + mov eax, cr3 + mov cr3, eax + jmp 0x50000 align 4 restart_code_start: org 0x50000 - cmp byte [BOOT_LO.shutdown_type], SYSTEM_RESTART + cmp [BOOT_LO.shutdown_type], SYSTEM_RESTART jne @F mov esi, _CLEAN_ZONE-OS_BASE diff --git a/kernel/trunk/const.inc b/kernel/trunk/const.inc index bb6c526ec0..894553aac9 100644 --- a/kernel/trunk/const.inc +++ b/kernel/trunk/const.inc @@ -248,7 +248,6 @@ BTN_ADDR = OS_BASE + 0x000FE88 MEM_AMOUNT = OS_BASE + 0x000FE8C SYS_SHUTDOWN = OS_BASE + 0x000FF00 -TASK_ACTIVATE = OS_BASE + 0x000FF01 TMP_STACK_TOP = 0x007CC00 @@ -278,7 +277,7 @@ LFB_BASE = 0xFE000000 new_app_base = 0; -twdw = 0x2000 ; CURRENT_TASK - window_data +twdw = CURRENT_TASK - window_data std_application_base_address = new_app_base RING0_STACK_SIZE = 0x2000 diff --git a/kernel/trunk/core/apic.inc b/kernel/trunk/core/apic.inc index b77255c324..4912df6bba 100644 --- a/kernel/trunk/core/apic.inc +++ b/kernel/trunk/core/apic.inc @@ -561,8 +561,3 @@ get_clock_ns: mov edx, 10000000 mul edx ret - -align 4 -acpi_get_root_ptr: - mov eax, [acpi_rsdp] - ret diff --git a/kernel/trunk/core/hpet.inc b/kernel/trunk/core/hpet.inc new file mode 100644 index 0000000000..08b504a23a --- /dev/null +++ b/kernel/trunk/core/hpet.inc @@ -0,0 +1,74 @@ +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; ;; +;; Copyright (C) KolibriOS team 2004-2020. All rights reserved. ;; +;; Distributed under terms of the GNU General Public License ;; +;; ;; +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +$Revision$ + +HPET_ID = 0x0000 +HPET_PERIOD = 0x0004 +HPET_CFG_ENABLE = 0x0001 +HPET_CFG = 0x0010 +HPET_COUNTER = 0x00f0 +HPET_T0_CFG = 0x0100 + +HPET_TN_LEVEL = 0x0002 +HPET_TN_ENABLE = 0x0004 +HPET_TN_FSB = 0x4000 + +uglobal +hpet_base rd 1 +hpet_period rd 1 +hpet_timers rd 1 +hpet_tsc_start rd 2 +endg + +align 4 +init_hpet: + mov ebx, [hpet_base] + test ebx, ebx + jz .done + + mov eax, [ebx] + and ah, 0x1F + inc ah + movzx eax, ah + mov [hpet_timers], eax + mov ecx, eax + + mov eax, [ebx+HPET_PERIOD] + xor edx, edx + shld edx, eax, 10 + shl eax, 10 + mov esi, 1000000 + div esi + mov [hpet_period], eax + + mov esi, [ebx+HPET_CFG] + and esi, not HPET_CFG_ENABLE + mov [ebx+HPET_CFG], esi ;stop main counter + + lea edx, [ebx+HPET_T0_CFG] +@@: + jcxz @F + mov eax, [edx] + and eax, not (HPET_TN_ENABLE+HPET_TN_LEVEL+HPET_TN_FSB) + mov [edx], eax + add edx, 0x20 + dec ecx + jmp @B +@@: + mov [ebx+HPET_COUNTER], ecx ;reset main counter + mov [ebx+HPET_COUNTER+4], ecx + + or esi, HPET_CFG_ENABLE + mov [ebx+HPET_CFG], esi ;and start again + +.done: + rdtsc + mov [hpet_tsc_start], eax + mov [hpet_tsc_start+4], edx + + ret diff --git a/kernel/trunk/init.inc b/kernel/trunk/init.inc index b4ceb7b618..cb149c3c91 100644 --- a/kernel/trunk/init.inc +++ b/kernel/trunk/init.inc @@ -410,43 +410,66 @@ proc test_cpu ret endp -iglobal -align 4 -acpi_lapic_base dd 0xfee00000 ; default local apic base -endg - -uglobal -align 4 -acpi_rsdp rd 1 -acpi_rsdt rd 1 -acpi_madt rd 1 - -acpi_dev_data rd 1 -acpi_dev_size rd 1 - -acpi_rsdt_base rd 1 -acpi_fadt_base rd 1 -acpi_dsdt_base rd 1 -acpi_dsdt_size rd 1 -acpi_madt_base rd 1 -acpi_ioapic_base rd MAX_IOAPICS -acpi_hpet_base rd 1 -hpet_base rd 1 -hpet_period rd 1 -hpet_timers rd 1 -hpet_tsc_start rd 2 -cpu_count rd 1 -smpt rd 16 -endg - ACPI_HI_RSDP_WINDOW_START = 0x000E0000 ACPI_HI_RSDP_WINDOW_END = 0x00100000 ACPI_RSDP_CHECKSUM_LENGTH = 20 -ACPI_HPET_SIGN = 'HPET' -ACPI_MADT_SIGN = 'APIC' -ACPI_FADT_SIGN = 'FACP' +proc acpi_locate_tables uses ebx esi edi + mov ebx, [ebx+ACPI_RSDP.RsdtAddress] + mov [acpi_rsdt_base-OS_BASE], ebx + mov eax, [ebx+ACPI_RSDT.Length] + mov [acpi_rsdt_size-OS_BASE], eax + mov esi, [acpi_rsdt_base-OS_BASE] + mov ecx, [esi+ACPI_RSDT.Length] + lea edi, [esi+ecx] + add esi, sizeof.ACPI_TABLE + movi ecx, 1 +.next_table: + cmp esi, edi + jae .done + lodsd + cmp [eax+ACPI_TABLE.Signature], 'SSDT' ; skip DSDT if present + jz .ssdt ; read it from FADT + cmp [eax+ACPI_TABLE.Signature], 'FACP' ; this is FADT + jz .fadt + cmp [eax+ACPI_TABLE.Signature], 'APIC' ; this is MADT + jz .madt + cmp [eax+ACPI_TABLE.Signature], 'HPET' + jz .hpet + jmp .next_table +.ssdt: + mov [acpi_ssdt_base+ecx*4-OS_BASE], eax + mov eax, [eax+ACPI_TABLE.Length] + mov [acpi_ssdt_size+ecx*4-OS_BASE], eax + inc ecx + jmp .next_table +.fadt: + mov [acpi_fadt_base-OS_BASE], eax + cmp [eax+ACPI_FADT.DSDT], 0 + jz @f + mov edx, [eax+ACPI_FADT.DSDT] + mov [acpi_ssdt_base-OS_BASE], edx + mov edx, [edx+ACPI_TABLE.Length] + mov [acpi_ssdt_size-OS_BASE], edx +@@: + mov eax, [eax+ACPI_TABLE.Length] + mov [acpi_fadt_size-OS_BASE], eax + jmp .next_table +.madt: + mov [acpi_madt_base-OS_BASE], eax + mov eax, [eax+ACPI_TABLE.Length] + mov [acpi_madt_size-OS_BASE], eax + jmp .next_table +.hpet: + mov [acpi_hpet_base-OS_BASE], eax + mov eax, [eax+ACPI_TABLE.Length] + mov [acpi_hpet_size-OS_BASE], eax + jmp .next_table +.done: + mov [acpi_ssdt_cnt-OS_BASE], ecx + ret +endp acpi_locate: push ebx @@ -474,7 +497,11 @@ else call .check end if .done: - mov eax, ebx + mov [acpi_rsdp_base-OS_BASE], ebx + test ebx, ebx + jz @f + call acpi_locate_tables +@@: pop edi pop ebx ret @@ -502,185 +529,3 @@ end if jb .check xor ebx, ebx ret - -align 4 -rsdt_find: ;ecx= rsdt edx= SIG - push ebx - push esi - - lea ebx, [ecx+36] - mov esi, [ecx+4] - add esi, ecx -align 4 -.next: - mov eax, [ebx] - cmp [eax], edx - je .done - - add ebx, 4 - cmp ebx, esi - jb .next - - xor eax, eax - pop esi - pop ebx - ret - -.done: - mov eax, [ebx] - pop esi - pop ebx - ret - -align 4 -check_acpi: - - call acpi_locate - test eax, eax - jz .done - - mov [acpi_rsdp-OS_BASE], eax - mov ecx, [eax+16] - mov edx, ACPI_FADT_SIGN - mov [acpi_rsdt_base-OS_BASE], ecx - call rsdt_find - mov [acpi_fadt_base-OS_BASE], eax - test eax, eax - jz @f - - mov eax, [eax+40] - mov [acpi_dsdt_base-OS_BASE], eax - mov eax, [eax+4] - mov [acpi_dsdt_size-OS_BASE], eax -@@: - mov edx, ACPI_HPET_SIGN - mov ecx, [acpi_rsdt_base-OS_BASE] - call rsdt_find - test eax, eax - jz @F - - mov [acpi_hpet_base-OS_BASE], eax - mov eax, [eax+44] - mov [hpet_base-OS_BASE], eax -@@: - mov edx, ACPI_MADT_SIGN - mov ecx, [acpi_rsdt_base-OS_BASE] - call rsdt_find - test eax, eax - jz .done - - mov [acpi_madt_base-OS_BASE], eax - mov ecx, [eax+36] - mov [acpi_lapic_base-OS_BASE], ecx - - mov edi, smpt-OS_BASE - mov ebx, [ecx+0x20] - shr ebx, 24 ; read APIC ID - - mov [edi], ebx ; bootstrap always first - inc [cpu_count-OS_BASE] - add edi, 4 - - mov [ioapic_cnt-OS_BASE], 0 - lea edx, [eax+44] - mov ecx, [eax+4] - add ecx, eax -.check: - mov eax, [edx] - cmp al, 0 - je .lapic - cmp al, 1 - je .io_apic - jmp .next -.lapic: - shr eax, 24 ; get APIC ID - cmp eax, ebx ; skip self - je .next - - test [edx+4], byte 1 ; is enabled ? - jz .next - - cmp [cpu_count-OS_BASE], 16 - jae .next - - stosd ; store APIC ID - inc [cpu_count-OS_BASE] -.next: - mov eax, [edx] - movzx eax, ah - add edx, eax - cmp edx, ecx - jb .check -.done: - ret - -.io_apic: - mov eax, [ioapic_cnt-OS_BASE] - push dword[edx+4] - pop [acpi_ioapic_base-OS_BASE+eax*4] - push dword[edx+8] - pop [ioapic_gsi_base-OS_BASE+eax*4] - inc [ioapic_cnt-OS_BASE] - jmp .next - -HPET_PERIOD = 0x0004 -HPET_CFG_ENABLE = 0x0001 -HPET_CFG = 0x0010 -HPET_COUNTER = 0x00f0 -HPET_T0_CFG = 0x0100 - -HPET_TN_LEVEL = 0x0002 -HPET_TN_ENABLE = 0x0004 -HPET_TN_FSB = 0x4000 - -align 4 -init_hpet: - mov ebx, [hpet_base-OS_BASE] - test ebx, ebx - jz .done - - mov eax, [ebx] - and ah, 0x1F - inc ah - movzx eax, ah - mov [hpet_timers-OS_BASE], eax - mov ecx, eax - - mov eax, [ebx+HPET_PERIOD] - xor edx, edx - shld edx, eax, 10 - shl eax, 10 - mov esi, 1000000 - div esi - mov [hpet_period-OS_BASE], eax - - mov esi, [ebx+HPET_CFG] - and esi, not HPET_CFG_ENABLE - mov [ebx+HPET_CFG], esi ;stop main counter - - lea edx, [ebx+HPET_T0_CFG] -@@: - jcxz @F - mov eax, [edx] - and eax, not (HPET_TN_ENABLE+HPET_TN_LEVEL+HPET_TN_FSB) - mov [edx], eax - add edx, 0x20 - dec ecx - jmp @B -@@: - mov [ebx+HPET_COUNTER], ecx ;reset main counter - mov [ebx+HPET_COUNTER+4], ecx - - or esi, HPET_CFG_ENABLE - mov [ebx+HPET_CFG], esi ;and start again - -.done: - rdtsc - mov [hpet_tsc_start-OS_BASE], eax - mov [hpet_tsc_start+4-OS_BASE], edx - - ret - - - - diff --git a/kernel/trunk/kernel.asm b/kernel/trunk/kernel.asm index ecba7e6111..8d9e96f610 100644 --- a/kernel/trunk/kernel.asm +++ b/kernel/trunk/kernel.asm @@ -210,8 +210,7 @@ B32: call test_cpu bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc - call check_acpi - call init_hpet + call acpi_locate call init_BIOS32 ; MEMORY MODEL call mem_test @@ -552,14 +551,17 @@ high_code: @@: mov [clipboard_main_list], eax + call check_acpi + mov eax, [hpet_base] test eax, eax jz @F mov eax, [hpet_base] stdcall map_io_mem, [hpet_base], 1024, PG_GLOBAL+PAT_UC+PG_SWR mov [hpet_base], eax - mov eax, [eax] + mov eax, [eax+HPET_ID] DEBUGF 1, "K : HPET caps %x\n", eax + call init_hpet @@: ; SET UP OS TASK @@ -892,7 +894,7 @@ include "detect/vortex86.inc" ; Vortex86 SoC detection code mov ebx, [hpet_base] test ebx, ebx jz @F - mov ebx, [ebx+0xF0] + mov ebx, [ebx+HPET_COUNTER] rdtsc mov ecx, 1000 diff --git a/kernel/trunk/kernel32.inc b/kernel/trunk/kernel32.inc index 071d2a04f1..5b920094c4 100644 --- a/kernel/trunk/kernel32.inc +++ b/kernel/trunk/kernel32.inc @@ -24,10 +24,13 @@ include "core/string.inc" include "core/v86.inc" ; 16-bit mode machine include "core/irq.inc" ; interrupt handling functions include "core/apic.inc" +include "core/hpet.inc" include "core/timers.inc" include "core/clipboard.inc" include "core/slab.inc" +include "acpi/acpi.inc" + include "posix/posix.inc" include "boot/shutdown.inc" ; kernel shutdown