;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; ;; ;; Copyright (C) KolibriOS team 2004-2016. All rights reserved. ;; ;; Distributed under terms of the GNU General Public License ;; ;; ;; ;; Shutdown for Menuet ;; ;; ;; ;; Distributed under General Public License ;; ;; See file COPYING for details. ;; ;; Copyright 2003 Ville Turjanmaa ;; ;; ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; $Revision$ align 4 system_shutdown: ; shut down the system cmp byte [BOOT.shutdown_type], SYSTEM_SHUTDOWN jb @F cmp byte [BOOT.shutdown_type], SYSTEM_RESTART jbe .valid @@: ret .valid: call stop_all_services yes_shutdown_param: ; Shutdown other CPUs, if initialized cmp [ap_initialized], 0 jz .no_shutdown_cpus mov edi, [LAPIC_BASE] add edi, 300h mov esi, smpt+4 mov ebx, [cpu_count] dec ebx .shutdown_cpus_loop: lodsd push esi xor esi, esi inc esi shl eax, 24 mov [edi+10h], eax ; assert INIT IPI mov dword [edi], 0C500h call delay_ms @@: test dword [edi], 1000h jnz @b ; deassert INIT IPI mov dword [edi], 8500h call delay_ms @@: test dword [edi], 1000h jnz @b ; don't send STARTUP IPI: let other CPUs be in wait-for-startup state pop esi dec ebx jnz .shutdown_cpus_loop .no_shutdown_cpus: cli call IRQ_mask_all mov eax, dword[BOOT.shutdown_type] cmp al, SYSTEM_RESTART jne @F ; load kernel.mnt to _CLEAN_ZONE mov ebx, kernel_file_load pushad call file_system_lfn popad @@: mov esi, OS_BASE+restart_code_start ; move kernel re-starter to 0x5000:0 mov edi, OS_BASE+0x50000 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 ; 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 sub eax, 36+4 jbe no_acpi_power_off add esi, 36 .scan_dsdt: cmp dword [esi], '_S5_' jnz .scan_dsdt_cont cmp byte [esi+4], 12h ; DefPackage opcode jnz .scan_dsdt_cont mov dl, [esi+6] cmp dl, 4 ; _S5_ package must contain 4 bytes ; ...in theory; in practice, VirtualBox has 2 bytes ja .scan_dsdt_cont cmp dl, 1 jb .scan_dsdt_cont lea esi, [esi+7] xor ecx, ecx cmp byte [esi], 0 ; 0 means zero byte, 0Ah xx means byte xx jz @f cmp byte [esi], 0xA jnz no_acpi_power_off inc esi mov cl, [esi] @@: inc esi cmp dl, 2 jb @f cmp byte [esi], 0 jz @f cmp byte [esi], 0xA jnz no_acpi_power_off inc esi mov ch, [esi] @@: jmp do_acpi_power_off .scan_dsdt_cont: inc esi dec eax jnz .scan_dsdt jmp no_acpi_power_off do_acpi_power_off: mov edx, [ebx+48] test edx, edx jz .nosmi mov al, [ebx+52] out dx, al mov edx, [ebx+64] @@: in ax, dx test al, 1 jz @b .nosmi: and cx, 0x0707 shl cx, 2 or cx, 0x2020 mov edx, [ebx+64] in ax, dx and ax, 203h or ah, cl out dx, ax mov edx, [ebx+68] test edx, edx jz @f in ax, dx and ax, 203h or ah, ch out dx, ax @@: jmp $ no_acpi_power_off: jmp 0x50000 align 4 restart_code_start: org 0x50000 cmp byte [BOOT_LO.shutdown_type], SYSTEM_RESTART jne @F mov esi, _CLEAN_ZONE-OS_BASE mov edi, 0x10000 mov ecx, 0x31000/4 cld rep movsd @@: xor ebx, ebx xor edx, edx xor ecx, ecx xor esi, esi xor edi, edi xor ebp, ebp lidt [.idt] lgdt [.gdt] jmp 8:@f align 8 .gdt: ; selector 0 - not used dw 23 dd .gdt dw 0 ; selector 8 - code from 5000:0000 to 1000:FFFF dw 0FFFFh dw 0 db 5 db 10011011b db 00000000b db 0 ; selector 10h - data from 1000:0000 to 1000:FFFF dw 0FFFFh dw 0 db 1 db 10010011b db 00000000b db 0 .idt: dw 256*4 dd 0 org $ - 0x50000 use16 @@: mov ax, 10h mov ds, ax mov es, ax mov fs, ax mov gs, ax mov ss, ax mov eax, cr0 and eax, not 80000001h mov cr0, eax jmp 0x5000:.real_mode align 4 .real_mode: ; setup stack mov ax, (TMP_STACK_TOP and 0xF0000) shr 4 mov ss, ax mov esp, TMP_STACK_TOP and 0xFFFF ;remap IRQs mov al, 0x11 out 0x20, al out 0xA0, al mov al, 0x08 out 0x21, al mov al, 0x70 out 0xA1, al mov al, 0x04 out 0x21, al mov al, 0x02 out 0xA1, al mov al, 0x01 out 0x21, al out 0xA1, al mov al, 0xB8 out 0x21, al mov al, 0xBD out 0xA1, al mov al, 00110100b out 43h, al mov al, 0xFF out 40h, al out 40h, al xor ax, ax mov ds, ax mov al, [BOOT_LO.shutdown_type] cmp al, SYSTEM_RESTART je .restart cmp al, SYSTEM_SHUTDOWN je .APM_PowerOff mov word[0x0472], 0x1234 jmp 0xF000:0xFFF0 .APM_PowerOff: mov ax, 5304h xor bx, bx int 15h ;!!!!!!!!!!!!!!!!!!!!!!!! mov ax, 0x5300 xor bx, bx int 0x15 push ax mov ax, 0x5301 xor bx, bx int 0x15 mov ax, 0x5308 mov bx, 1 mov cx, bx int 0x15 mov ax, 0x530E xor bx, bx pop cx int 0x15 mov ax, 0x530D mov bx, 1 mov cx, bx int 0x15 mov ax, 0x530F mov bx, 1 mov cx, bx int 0x15 mov ax, 0x5307 mov bx, 1 mov cx, 3 int 0x15 ;!!!!!!!!!!!!!!!!!!!!!!!! jmp $ .restart: ; (hint by Black_mirror) ; We must read data from keyboard port, ; because there may be situation when previous keyboard interrupt is lost ; (due to return to real mode and IRQ reprogramming) ; and next interrupt will not be generated (as keyboard waits for handling) mov cx, 16 @@: in al, 0x64 test al, 1 jz @F in al, 0x60 loop @B @@: ; bootloader interface push 0x1000 pop ds push 0 pop es mov si, [es:BOOT_LO.kernel_restart] mov ax, 'KL' jmp 0x1000:0000 align 4 org restart_code_start + $ restart_code_end: org $+OS_BASE use32