forked from KolibriOS/kolibrios
init.inc optimized for AMD chipsets
git-svn-id: svn://kolibrios.org@1683 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Artem Jerdev (art_zh)
parent
3c2f9c9b90
commit
74c5e79c92
File diff suppressed because it is too large
Load Diff
@ -3,6 +3,7 @@
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;; Copyright (C) 2010 KolibriOS team. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; HT.inc ;; ;;
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;; ;;
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;; AMD HyperTransport bus control ;;
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;; ;;
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@ -22,6 +23,9 @@ HTIU_NB_INDEX equ 0xF0000094 ; HyperTransport indirect config space access
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; This code is a part of Kolibri-A and will only work with AMD RS760+ chipsets
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;
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;=============================================================================
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org $-OS_BASE ; physical addresses needed at initial stage
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align 4
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;------------------------------------------
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@ -71,7 +75,7 @@ rs7xx_nbconfig_write_pci:
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align 4
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rs7xx_unlock_bar3:
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mov eax, NB_MISC_INDEX
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mov ebx, 0x080 ; reg#0; write-enable
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mov ebx, 0x080 ; NBMISCIND:0x0; write-enable
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call rs7xx_nbconfig_write_pci ; set index
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mov eax, NB_MISC_DATA
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call rs7xx_nbconfig_read_pci ; read data
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@ -84,6 +88,90 @@ rs7xx_unlock_bar3:
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call rs7xx_nbconfig_write_pci ; set index
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ret
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;***************************************************************************
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; Function
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; rs7xx_pcie_init:
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;
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; Description
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; PCIe extended (memory-mapped) config space detection
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;
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;***************************************************************************
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align 4
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rs7xx_pcie_init:
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call rs7xx_unlock_bar3
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mov al, 0x7C ; NB_IOC_CFG_CNTL
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call rs7xx_nbconfig_read_pci
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mov ebx, eax
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; call rs7xx_nbconfig_flush_pci
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test ebx, 0x20000000 ; BAR3 locked?
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jz $
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mov al, 0x84 ; NB_PCI_ARB
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call rs7xx_nbconfig_read_pci
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shr eax,16
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and ax, 7 ; the Bus range lays here:
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jnz @f
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mov ax, 8 ; 1=2Mb, 2=4MB, 3=8MB, 4=16MB
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@@:
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mov word[PCIe_bus_range-OS_BASE], ax ; 5=32Mb, 6=64MB, 7=128Mb, 8=256Mb
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mov cl, al
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call rs7xx_nbconfig_flush_pci
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dec cl ; <4M ?
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jz @f
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dec cl ; one PDE needed anyway
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@@:
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mov ebx, 1
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shl ebx, cl
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mov word[mmio_pcie_cfg_pdes-OS_BASE], bx ; 1..64 PDE(s) needed,
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shl ebx, 22
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mov dword[mmio_pcie_cfg_lim-OS_BASE], ebx ; or 4..256Mb space to map
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dec dword[mmio_pcie_cfg_lim-OS_BASE]
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mov al, 0x1C ; NB_BAR3_PCIEXP_MMCFG
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call rs7xx_nbconfig_read_pci
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mov ebx, eax
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call rs7xx_nbconfig_flush_pci
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mov eax, ebx
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and eax, 0xFFE00000 ; valid bits [31..21]
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jz $ ; NB BAR3 may be invisible!
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.addr_found:
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mov dword[mmio_pcie_cfg_addr-OS_BASE], eax ; physical address (lower 32 bits)
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add dword[mmio_pcie_cfg_lim-OS_BASE], eax
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or eax, (PG_NOCACHE + PG_SHARED + PG_LARGE + PG_UW) ; by the way, UW is unsafe!
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mov ecx, PCIe_CONFIG_SPACE ; linear address
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mov ebx, ecx
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shr ebx, 20
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add ebx, (sys_pgdir - OS_BASE) ; PgDir entry @
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mov dl, byte[mmio_pcie_cfg_pdes-OS_BASE] ; 1 page = 4M in address space
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cmp dl, 0x34 ; =(USER_DMA_BUFFER - PCIe_CONFIG_SPACE) / 4M
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jb @f
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mov dl, 0x33
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mov byte[mmio_pcie_cfg_pdes-OS_BASE], dl
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@@:
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xor dx, dx ; PDEs counter
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.write_pde:
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mov dword[ebx], eax ; map 4 buses
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add bx, 4 ; new PDE
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add eax, 0x400000 ; +4M phys.
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add ecx, 0x400000 ; +4M lin.
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cmp dl, byte[mmio_pcie_cfg_pdes-OS_BASE]
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jae .pcie_cfg_mapped
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inc dl
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jmp .write_pde
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; mov eax, cr3
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; mov cr3, eax ; flush TLB
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.pcie_cfg_mapped:
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ret ; <<< OK >>>
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; ================================================================================
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org OS_BASE+$ ; back to the linear address space
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;--------------------------------------------------------------
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align 4
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rs780_read_misc:
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@ -192,96 +280,4 @@ rs780_write_htiu:
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;***************************************************************************
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; Function
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; rs7xx_pcie_init:
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;
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; Description
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; PCIe extended (memory-mapped) config space detection
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;
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;***************************************************************************
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align 4
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rs7xx_pcie_init:
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call rs7xx_unlock_bar3
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mov al, 0x7C ; NB_IOC_CFG_CNTL
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call rs7xx_nbconfig_read_pci
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mov ebx, eax
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call rs7xx_nbconfig_flush_pci
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test ebx, 0x20000000 ; BAR3 locked?
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jz .rs7xx_pcie_blocked
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mov al, 0x84 ; NB_PCI_ARB
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call rs7xx_nbconfig_read_pci
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shr eax,16
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and ax, 7 ; the Bus range lays here:
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jnz @f
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mov ax, 8 ; 1=2Mb, 2=4MB, 3=8MB, 4=16MB
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@@:
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mov [PCIe_bus_range], ax ; 5=32Mb, 6=64MB, 7=128Mb, 8=256Mb
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mov cl, al
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call rs7xx_nbconfig_flush_pci
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dec cl ; <4M ?
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jnz @f
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inc cl ; one PDE needed anyway
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@@:
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dec cl
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mov ebx, 1
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shl ebx, cl
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mov [mmio_pcie_cfg_pdes], bx ; 1..64 PDE(s) needed,
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shl ebx, 22
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mov [mmio_pcie_cfg_lim], ebx ; or 4..256Mb space to map
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dec [mmio_pcie_cfg_lim]
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mov al, 0x1C ; NB_BAR3_PCIEXP_MMCFG
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call rs7xx_nbconfig_read_pci
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mov ebx, eax
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call rs7xx_nbconfig_flush_pci
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mov eax, ebx
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and eax, 0xFFE00000 ; valid bits [31..21]
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jz .rs7xx_pcie_blocked ; NB BAR3 may be invisible!
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; try to get pcie ecfg address indirectly
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.addr_found:
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mov [mmio_pcie_cfg_addr], eax ; physical address (lower 32 bits)
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add [mmio_pcie_cfg_lim], eax
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or eax, (PG_SHARED + PG_LARGE + PG_UW) ; by the way, UW is unsafe!
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mov ecx, PCIe_CONFIG_SPACE ; linear address
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mov ebx, ecx
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shr ebx, 20
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add ebx, sys_pgdir ; PgDir entry @
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mov dl, byte[mmio_pcie_cfg_pdes] ; 1 page = 4M in address space
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cmp dl, (USER_DMA_BUFFER - PCIe_CONFIG_SPACE) / 4194304
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jb @f
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mov dl, ((USER_DMA_BUFFER - PCIe_CONFIG_SPACE) / 4194304) - 1
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mov byte[mmio_pcie_cfg_pdes], dl
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@@:
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xor dx, dx ; PDEs counter
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@@:
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mov dword[ebx], eax ; map 4 buses
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add bx, 4 ; new PDE
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add eax, 0x400000 ; +4M phys.
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add ecx, 0x400000 ; +4M lin.
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cmp dl, byte[mmio_pcie_cfg_pdes]
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jnc .pcie_cfg_mapped
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inc dl
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jmp @b
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mov eax, cr3
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mov cr3, eax ; flush TLB
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.pcie_cfg_mapped:
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mov esi, boot_pcie_ok
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call boot_log
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ret ; <<< OK >>>
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.rs7xx_pcie_fail:
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mov esi, boot_rs7xx_fail
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call boot_log
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jmp $
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.rs7xx_pcie_blocked:
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mov esi, boot_rs7xx_blkd
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call boot_log
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jmp $
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@ -87,10 +87,9 @@ pci_ext_config:
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jb .check_HT_mmio
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.pcie_failed:
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mov esi, boot_pcie_fail
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call boot_log
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xor eax, eax
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ret ; <<<<<<<<< FAILURE >>>>>>>>>
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jmp $
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; xor eax, eax
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; ret ; <<<<<<<<< FAILURE >>>>>>>>>
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;--------------------------------------------------------------------------
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@ -252,8 +252,13 @@ Screen_Max_Y equ (OS_BASE+0x000FE04)
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BytesPerScanLine equ (OS_BASE+0x000FE08)
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SCR_MODE equ (OS_BASE+0x000FE0C)
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LFBAddress equ (OS_BASE+0x000FE80)
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UserDMAaddr equ (OS_BASE+0x000FE84)
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mmio_pcie_cfg_addr equ (OS_BASE+0x000FE74)
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mmio_pcie_cfg_lim equ (OS_BASE+0x000FE78)
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mmio_pcie_cfg_pdes equ (OS_BASE+0x000FE7C)
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PCIe_bus_range equ (OS_BASE+0x000FE7E)
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UserDMAaddr equ (OS_BASE+0x000FE80)
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LFBAddress equ (OS_BASE+0x000FE84)
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BTN_ADDR equ (OS_BASE+0x000FE88)
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MEM_AMOUNT equ (OS_BASE+0x000FE8C)
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@ -57,21 +57,15 @@ keymap_alt:
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boot_setmouse db 'Setting mouse',0
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boot_windefs db 'Setting window defaults',0
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boot_bgr db 'Calculating background',0
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boot_resirqports db 'Reserving IRQs & ports',0
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; boot_resirqports db 'Reserving IRQs & ports',0
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; boot_setrports db 'Setting addresses for IRQs',0
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boot_setostask db 'Setting OS task',0
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boot_allirqs db 'Unmasking all IRQs',0
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boot_tsc db 'Reading TSC',0
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boot_cpufreq db 'CPU frequency is ',' ',' MHz',0
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; boot_pal_ega db 'Setting EGA/CGA 320x200 palette',0
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; boot_pal_vga db 'Setting VGA 640x480 palette',0
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boot_failed db 'Failed to start first app',0
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boot_mtrr db 'Setting MTRR',0
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boot_uDMA_ok db 'Set user DMA OK',0
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boot_pcie_ok db 'PCIe config set OK',0
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boot_pcie_fail db 'PCIe config XXX failed XXX',0
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boot_rs7xx_fail db 'RS7xx config XXX failed XXX',0
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boot_rs7xx_blkd db 'RS7xx config ---------- FAILED -----------',0
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if preboot_blogesc
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boot_tasking db 'All set - press ESC to start',0
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end if
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@ -87,7 +81,7 @@ msg_www db 'please visit www.kolibrios.org',13,10,0
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msg_CR db 13,10,0
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aSis db 'SIS',0
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intel_str db "GenuineIntel",0
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;intel_str db "GenuineIntel",0
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AMD_str db "AuthenticAMD",0
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;szSound db 'SOUND',0
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@ -469,4 +463,6 @@ BiosDisksData rb 200h
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BiosDiskCaches rb 80h*(cache_ide1-cache_ide0)
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BiosDiskPartitions rd 80h
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diff16 "UGlobals start ",0,$
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IncludeUGlobals
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@ -8,380 +8,316 @@
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$Revision$
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MEM_WB equ 6 ;write-back memory
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MEM_WC equ 1 ;write combined memory
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MEM_UC equ 0 ;uncached memory
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MEM_WB equ 6 ;write-back memory
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MEM_WC equ 1 ;write combined memory
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MEM_UC equ 0 ;uncached memory
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; ======================================================================
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align 4
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preinit_mem:
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; clear [0x280000..HEAP_BASE]
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xor eax,eax
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mov edi,0x280000 ; 0x280000 = ramdisk FAT ?
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mov ecx,(HEAP_BASE-OS_BASE-0x280000) / 4
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cld
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rep stosd
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; clear [0x40000..0x90000]
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mov edi,0x50000 ; 0x50000 is somewhere inside kernel code?
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mov ecx,(0x90000-0x50000)/4
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rep stosd
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; clear undefined kernel globals
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mov edi, endofcode-OS_BASE
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mov ecx, (uglobals_size/4)+4
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rep stosd
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; save [0..0xffff]
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xor esi, esi
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mov edi,0x2F0000 ; low mem storage area
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mov ecx, 0x10000 / 4
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rep movsd
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; clear [0x1000..0x0ffff]
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mov edi,0x1000
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mov ecx,0xf000 / 4
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rep stosd
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; clear <sys_pgdir> table
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mov edi, sys_pgdir-OS_BASE
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mov ecx, 4096/4
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rep stosd
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ret
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; ======================================================================
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align 4
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proc init_mem
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; calculate maximum allocatable address and number of allocatable pages
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mov edi, BOOT_VAR-OS_BASE + 0x9104
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mov ecx, [edi-4]
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xor esi, esi ; esi will hold total amount of memory
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xor edx, edx ; edx will hold maximum allocatable address
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.calcmax:
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; round all to pages
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mov eax, [edi]
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test eax, 0xFFF
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jz @f
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neg eax
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and eax, 0xFFF
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add [edi], eax
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adc dword [edi+4], 0
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sub [edi+8], eax
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sbb dword [edi+12], 0
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jc .unusable
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@@:
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and dword [edi+8], not 0xFFF
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jz .unusable
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; ignore memory after 4 Gb
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cmp dword [edi+4], 0
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jnz .unusable
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mov eax, [edi]
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cmp dword [edi+12], 0
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jnz .overflow
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add eax, [edi+8]
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jnc @f
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.overflow:
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mov eax, 0xFFFFF000
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@@:
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cmp edx, eax
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jae @f
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mov edx, eax
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@@:
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sub eax, [edi]
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mov [edi+8], eax
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add esi, eax
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jmp .usable
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.unusable:
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and dword [edi+8], 0
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.usable:
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add edi, 20
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loop .calcmax
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.calculated:
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mov [MEM_AMOUNT-OS_BASE], esi
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mov [pg_data.mem_amount-OS_BASE], esi
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shr esi, 12
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mov [pg_data.pages_count-OS_BASE], esi
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shr edx, 12
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add edx, 31
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and edx, not 31
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shr edx, 3
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mov [pg_data.pagemap_size-OS_BASE], edx
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mov esi, (PCIe_CONFIG_SPACE-OS_BASE) ; esi will hold total amount of memory
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mov edx, esi ; edx will hold maximum allocatable address
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add edx, (sys_pgmap-OS_BASE)+4095
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and edx, not 4095
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mov [tmp_page_tabs], edx
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mov [MEM_AMOUNT-OS_BASE], esi
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mov [pg_data.mem_amount-OS_BASE], esi
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shr esi, 12
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mov [pg_data.pages_count-OS_BASE], esi ; max number of PTEs ?
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mov edx, esi
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and edx, -1024
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cmp edx, (OS_BASE/4096)
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jbe @F
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mov edx, (OS_BASE/4096)
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jmp .set
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@@:
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cmp edx, (HEAP_BASE-OS_BASE+HEAP_MIN_SIZE)/4096
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jae .set
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mov edx, (HEAP_BASE-OS_BASE+HEAP_MIN_SIZE)/4096
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.set:
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mov [pg_data.kernel_pages-OS_BASE], edx
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shr edx, 10
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mov [pg_data.kernel_tables-OS_BASE], edx
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shr edx, 12
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add edx, 31
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and edx, not 31
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shr edx, 3
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mov [pg_data.pagemap_size-OS_BASE], edx ; size of sys_pgmap structure
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xor eax, eax
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mov edi, sys_pgdir-OS_BASE
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mov ecx, 4096/4
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cld
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rep stosd
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add edx, (sys_pgmap-OS_BASE)+4095
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and edx, not 4095
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mov [tmp_page_tabs], edx ; free zone to build PTEs
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mov edx, (sys_pgdir-OS_BASE)+ 0x800; (OS_BASE shr 20)
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mov edx, (HEAP_BASE-OS_BASE+HEAP_MIN_SIZE)/4096
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mov [pg_data.kernel_pages -OS_BASE], edx
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shr edx, 10
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mov [pg_data.kernel_tables-OS_BASE], edx
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mov ebx, cr4
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or ebx, CR4_PSE
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mov eax, PG_LARGE+PG_SW
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mov cr4, ebx
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dec [pg_data.kernel_tables-OS_BASE]
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mov edx, (sys_pgdir-OS_BASE)+ 0x800 ; (0x800 = OS_BASE shr 20)
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mov [edx], eax
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add edx, 4
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mov ebx, cr4
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or ebx, CR4_PSE
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mov eax, PG_LARGE+PG_SW
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mov cr4, ebx
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dec [pg_data.kernel_tables-OS_BASE]
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||||
|
||||
mov edi, [tmp_page_tabs]
|
||||
mov ecx, [pg_data.kernel_tables-OS_BASE]
|
||||
shl ecx, 10
|
||||
xor eax, eax
|
||||
rep stosd
|
||||
mov [edx], eax ; map first (physical) 4M bytes
|
||||
add edx, 4
|
||||
|
||||
mov edi, [tmp_page_tabs]
|
||||
mov ecx, [pg_data.kernel_pages -OS_BASE] ; safety cleaning of already-zeroed space
|
||||
xor eax, eax
|
||||
rep stosd
|
||||
|
||||
mov ecx, [pg_data.kernel_tables-OS_BASE] ; build some PDEs to hold empty PTEs
|
||||
mov eax, [tmp_page_tabs]
|
||||
or eax, PG_SW
|
||||
mov edi, edx ; edi = sys_pgdir+0x804
|
||||
|
||||
mov ecx, [pg_data.kernel_tables-OS_BASE]
|
||||
mov eax, [tmp_page_tabs]
|
||||
or eax, PG_SW
|
||||
mov edi, edx
|
||||
|
||||
.map_kernel_tabs:
|
||||
stosd
|
||||
add eax, 0x1000
|
||||
dec ecx
|
||||
jnz .map_kernel_tabs
|
||||
stosd
|
||||
add eax, 0x1000
|
||||
dec ecx
|
||||
jnz .map_kernel_tabs
|
||||
|
||||
mov dword [sys_pgdir-OS_BASE+(page_tabs shr 20)], sys_pgdir+PG_SW-OS_BASE
|
||||
; map pagetables to linear space
|
||||
mov dword [sys_pgdir-OS_BASE+(page_tabs shr 20)], sys_pgdir+PG_SW-OS_BASE
|
||||
|
||||
mov edi, (sys_pgdir-OS_BASE)
|
||||
lea esi, [edi+(OS_BASE shr 20)]
|
||||
movsd
|
||||
movsd
|
||||
ret
|
||||
mov edi, (sys_pgdir-OS_BASE)
|
||||
lea esi, [edi+(OS_BASE shr 20)]
|
||||
movsd
|
||||
movsd
|
||||
ret
|
||||
endp
|
||||
|
||||
align 4
|
||||
proc init_page_map
|
||||
; mark all memory as unavailable
|
||||
mov edi, sys_pgmap-OS_BASE
|
||||
mov ecx, [pg_data.pagemap_size-OS_BASE]
|
||||
shr ecx, 2
|
||||
xor eax, eax
|
||||
cld
|
||||
rep stosd
|
||||
mov edi, sys_pgmap-OS_BASE
|
||||
mov ecx, [pg_data.pagemap_size-OS_BASE]
|
||||
shr ecx, 2
|
||||
xor eax, eax
|
||||
cld
|
||||
rep stosd
|
||||
|
||||
; scan through memory map and mark free areas as available
|
||||
mov ebx, BOOT_VAR-OS_BASE + 0x9104
|
||||
mov edx, [ebx-4]
|
||||
mov ebx, BOOT_VAR-OS_BASE + 0x9104
|
||||
mov edx, [ebx-4]
|
||||
.scanmap:
|
||||
mov ecx, [ebx+8]
|
||||
shr ecx, 12 ; ecx = number of pages
|
||||
jz .next
|
||||
mov edi, [ebx]
|
||||
shr edi, 12 ; edi = first page
|
||||
mov eax, edi
|
||||
shr edi, 5
|
||||
shl edi, 2
|
||||
add edi, sys_pgmap-OS_BASE
|
||||
and eax, 31
|
||||
jz .startok
|
||||
add ecx, eax
|
||||
sub ecx, 32
|
||||
jbe .onedword
|
||||
push ecx
|
||||
mov ecx, eax
|
||||
or eax, -1
|
||||
shl eax, cl
|
||||
or [edi], eax
|
||||
add edi, 4
|
||||
pop ecx
|
||||
mov ecx, [ebx+8]
|
||||
shr ecx, 12 ; ecx = number of pages
|
||||
jz .next
|
||||
mov edi, [ebx]
|
||||
shr edi, 12 ; edi = first page
|
||||
mov eax, edi
|
||||
shr edi, 5
|
||||
shl edi, 2
|
||||
add edi, sys_pgmap-OS_BASE
|
||||
and eax, 31
|
||||
jz .startok
|
||||
add ecx, eax
|
||||
sub ecx, 32
|
||||
jbe .onedword
|
||||
push ecx
|
||||
mov ecx, eax
|
||||
or eax, -1
|
||||
shl eax, cl
|
||||
or [edi], eax
|
||||
add edi, 4
|
||||
pop ecx
|
||||
.startok:
|
||||
push ecx
|
||||
shr ecx, 5
|
||||
or eax, -1
|
||||
rep stosd
|
||||
pop ecx
|
||||
and ecx, 31
|
||||
neg eax
|
||||
shl eax, cl
|
||||
dec eax
|
||||
or [edi], eax
|
||||
jmp .next
|
||||
push ecx
|
||||
shr ecx, 5
|
||||
or eax, -1
|
||||
rep stosd
|
||||
pop ecx
|
||||
and ecx, 31
|
||||
neg eax
|
||||
shl eax, cl
|
||||
dec eax
|
||||
or [edi], eax
|
||||
jmp .next
|
||||
.onedword:
|
||||
add ecx, 32
|
||||
sub ecx, eax
|
||||
add ecx, 32
|
||||
sub ecx, eax
|
||||
@@:
|
||||
bts [edi], eax
|
||||
inc eax
|
||||
loop @b
|
||||
bts [edi], eax
|
||||
inc eax
|
||||
loop @b
|
||||
.next:
|
||||
add ebx, 20
|
||||
dec edx
|
||||
jnz .scanmap
|
||||
add ebx, 20
|
||||
dec edx
|
||||
jnz .scanmap
|
||||
|
||||
; mark kernel memory as allocated (unavailable)
|
||||
mov ecx, [tmp_page_tabs]
|
||||
mov edx, [pg_data.pages_count-OS_BASE]
|
||||
shr ecx, 12
|
||||
add ecx, [pg_data.kernel_tables-OS_BASE]
|
||||
sub edx, ecx
|
||||
mov [pg_data.pages_free-OS_BASE], edx
|
||||
mov ecx, [tmp_page_tabs]
|
||||
mov edx, [pg_data.pages_count-OS_BASE]
|
||||
shr ecx, 12
|
||||
add ecx, [pg_data.kernel_tables-OS_BASE]
|
||||
sub edx, ecx
|
||||
mov [pg_data.pages_free-OS_BASE], edx
|
||||
|
||||
mov edi, sys_pgmap-OS_BASE
|
||||
mov ebx, ecx
|
||||
shr ecx, 5
|
||||
xor eax, eax
|
||||
rep stosd
|
||||
mov edi, sys_pgmap-OS_BASE
|
||||
mov ebx, ecx
|
||||
shr ecx, 5
|
||||
xor eax, eax
|
||||
rep stosd
|
||||
|
||||
not eax
|
||||
mov ecx, ebx
|
||||
and ecx, 31
|
||||
shl eax, cl
|
||||
and [edi], eax
|
||||
add edi, OS_BASE
|
||||
mov [page_start-OS_BASE], edi;
|
||||
not eax
|
||||
mov ecx, ebx
|
||||
and ecx, 31
|
||||
shl eax, cl
|
||||
and [edi], eax
|
||||
add edi, OS_BASE
|
||||
mov [page_start-OS_BASE], edi;
|
||||
|
||||
mov ebx, sys_pgmap
|
||||
add ebx, [pg_data.pagemap_size-OS_BASE]
|
||||
mov [page_end-OS_BASE], ebx
|
||||
mov ebx, sys_pgmap
|
||||
add ebx, [pg_data.pagemap_size-OS_BASE]
|
||||
mov [page_end-OS_BASE], ebx
|
||||
|
||||
mov [pg_data.pg_mutex-OS_BASE], 0
|
||||
ret
|
||||
mov [pg_data.pg_mutex-OS_BASE], 0
|
||||
ret
|
||||
endp
|
||||
|
||||
align 4
|
||||
|
||||
init_BIOS32:
|
||||
mov edi, 0xE0000
|
||||
mov edi, 0xE0000
|
||||
.pcibios_nxt:
|
||||
cmp dword[edi], '_32_' ; "magic" word
|
||||
je .BIOS32_found
|
||||
cmp dword[edi], '_32_' ; "magic" word
|
||||
je .BIOS32_found
|
||||
.pcibios_nxt2:
|
||||
add edi, 0x10
|
||||
cmp edi, 0xFFFF0
|
||||
je .BIOS32_not_found
|
||||
jmp .pcibios_nxt
|
||||
add edi, 0x10
|
||||
cmp edi, 0xFFFF0
|
||||
je .BIOS32_not_found
|
||||
jmp .pcibios_nxt
|
||||
.BIOS32_found: ; magic word found, check control summ
|
||||
|
||||
movzx ecx, byte[edi + 9]
|
||||
shl ecx, 4
|
||||
mov esi, edi
|
||||
xor eax, eax
|
||||
cld ; paranoia
|
||||
movzx ecx, byte[edi + 9]
|
||||
shl ecx, 4
|
||||
mov esi, edi
|
||||
xor eax, eax
|
||||
cld ; paranoia
|
||||
@@: lodsb
|
||||
add ah, al
|
||||
loop @b
|
||||
jnz .pcibios_nxt2 ; control summ must be zero
|
||||
add ah, al
|
||||
loop @b
|
||||
jnz .pcibios_nxt2 ; control summ must be zero
|
||||
; BIOS32 service found !
|
||||
mov ebp, [edi + 4]
|
||||
mov [bios32_entry], ebp
|
||||
mov ebp, [edi + 4]
|
||||
mov [bios32_entry], ebp
|
||||
; check PCI BIOS present
|
||||
mov eax, '$PCI'
|
||||
xor ebx, ebx
|
||||
push cs ; special for 'ret far' from BIOS
|
||||
call ebp
|
||||
test al, al
|
||||
jnz .PCI_BIOS32_not_found
|
||||
mov eax, '$PCI'
|
||||
xor ebx, ebx
|
||||
push cs ; special for 'ret far' from BIOS
|
||||
call ebp
|
||||
test al, al
|
||||
jnz .PCI_BIOS32_not_found
|
||||
|
||||
; çäåñü ñîçäàþòñÿ äèñêðèïòîðû äëÿ PCI BIOS
|
||||
|
||||
add ebx, OS_BASE
|
||||
dec ecx
|
||||
mov [(pci_code_32-OS_BASE)], cx ;limit 0-15
|
||||
mov [(pci_data_32-OS_BASE)], cx ;limit 0-15
|
||||
add ebx, OS_BASE
|
||||
dec ecx
|
||||
mov [(pci_code_32-OS_BASE)], cx ;limit 0-15
|
||||
mov [(pci_data_32-OS_BASE)], cx ;limit 0-15
|
||||
|
||||
mov [(pci_code_32-OS_BASE)+2], bx ;base 0-15
|
||||
mov [(pci_data_32-OS_BASE)+2], bx ;base 0-15
|
||||
mov [(pci_code_32-OS_BASE)+2], bx ;base 0-15
|
||||
mov [(pci_data_32-OS_BASE)+2], bx ;base 0-15
|
||||
|
||||
shr ebx, 16
|
||||
mov [(pci_code_32-OS_BASE)+4], bl ;base 16-23
|
||||
mov [(pci_data_32-OS_BASE)+4], bl ;base 16-23
|
||||
shr ebx, 16
|
||||
mov [(pci_code_32-OS_BASE)+4], bl ;base 16-23
|
||||
mov [(pci_data_32-OS_BASE)+4], bl ;base 16-23
|
||||
|
||||
shr ecx, 16
|
||||
and cl, 0x0F
|
||||
mov ch, bh
|
||||
add cx, D32
|
||||
mov [(pci_code_32-OS_BASE)+6], cx ;lim 16-19 &
|
||||
mov [(pci_data_32-OS_BASE)+6], cx ;base 24-31
|
||||
shr ecx, 16
|
||||
and cl, 0x0F
|
||||
mov ch, bh
|
||||
add cx, D32
|
||||
mov [(pci_code_32-OS_BASE)+6], cx ;lim 16-19 &
|
||||
mov [(pci_data_32-OS_BASE)+6], cx ;base 24-31
|
||||
|
||||
mov [(pci_bios_entry-OS_BASE)], edx
|
||||
; jmp .end
|
||||
mov [(pci_bios_entry-OS_BASE)], edx
|
||||
; jmp .end
|
||||
.PCI_BIOS32_not_found:
|
||||
; çäåñü äîëæíà çàïîëíÿòñÿ pci_emu_dat
|
||||
.BIOS32_not_found:
|
||||
.end:
|
||||
ret
|
||||
ret
|
||||
|
||||
align 4
|
||||
proc test_cpu
|
||||
locals
|
||||
cpu_type dd ?
|
||||
cpu_id dd ?
|
||||
cpu_Intel dd ?
|
||||
cpu_AMD dd ?
|
||||
endl
|
||||
test_cpu: ; only AMD machines supported
|
||||
|
||||
xor eax, eax
|
||||
mov [cpu_type], eax
|
||||
mov [cpu_caps-OS_BASE], eax
|
||||
mov [cpu_caps+4-OS_BASE], eax
|
||||
xor eax, eax
|
||||
mov [cpu_caps-OS_BASE], eax
|
||||
mov [cpu_caps+4-OS_BASE], eax
|
||||
|
||||
pushfd
|
||||
pop eax
|
||||
mov ecx, eax
|
||||
xor eax, 0x40000
|
||||
push eax
|
||||
popfd
|
||||
pushfd
|
||||
pop eax
|
||||
xor eax, ecx
|
||||
mov [cpu_type], CPU_386
|
||||
jz .end_cpuid
|
||||
push ecx
|
||||
popfd
|
||||
pushfd
|
||||
pop eax
|
||||
mov ecx, eax
|
||||
xor eax, 0x40000
|
||||
push eax
|
||||
popfd
|
||||
pushfd
|
||||
pop eax
|
||||
xor eax, ecx
|
||||
jz $ ; 386
|
||||
push ecx
|
||||
popfd
|
||||
|
||||
mov [cpu_type], CPU_486
|
||||
mov eax, ecx
|
||||
xor eax, 0x200000
|
||||
push eax
|
||||
popfd
|
||||
pushfd
|
||||
pop eax
|
||||
xor eax, ecx
|
||||
je .end_cpuid
|
||||
mov [cpu_id], 1
|
||||
mov eax, ecx
|
||||
xor eax, 0x200000
|
||||
push eax
|
||||
popfd
|
||||
pushfd
|
||||
pop eax
|
||||
xor eax, ecx
|
||||
je $ ; 486
|
||||
|
||||
xor eax, eax
|
||||
cpuid
|
||||
xor eax, eax
|
||||
cpuid
|
||||
|
||||
mov [cpu_vendor-OS_BASE], ebx
|
||||
mov [cpu_vendor+4-OS_BASE], edx
|
||||
mov [cpu_vendor+8-OS_BASE], ecx
|
||||
cmp ebx, dword [intel_str-OS_BASE]
|
||||
jne .check_AMD
|
||||
cmp edx, dword [intel_str+4-OS_BASE]
|
||||
jne .check_AMD
|
||||
cmp ecx, dword [intel_str+8-OS_BASE]
|
||||
jne .check_AMD
|
||||
mov [cpu_Intel], 1
|
||||
cmp eax, 1
|
||||
jl .end_cpuid
|
||||
mov eax, 1
|
||||
cpuid
|
||||
mov [cpu_sign-OS_BASE], eax
|
||||
mov [cpu_info-OS_BASE], ebx
|
||||
mov [cpu_caps-OS_BASE], edx
|
||||
mov [cpu_caps+4-OS_BASE],ecx
|
||||
mov [cpu_vendor-OS_BASE], ebx
|
||||
mov [cpu_vendor+4-OS_BASE], edx
|
||||
mov [cpu_vendor+8-OS_BASE], ecx
|
||||
|
||||
cmp ebx, dword [AMD_str-OS_BASE]
|
||||
jne $
|
||||
cmp edx, dword [AMD_str+4-OS_BASE]
|
||||
jne $
|
||||
cmp ecx, dword [AMD_str+8-OS_BASE]
|
||||
jne $
|
||||
cmp eax, 1
|
||||
jl $
|
||||
mov eax, 1
|
||||
cpuid
|
||||
mov [cpu_sign-OS_BASE], eax
|
||||
mov [cpu_info-OS_BASE], ebx
|
||||
mov [cpu_caps-OS_BASE], edx
|
||||
mov [cpu_caps+4-OS_BASE],ecx
|
||||
shr eax, 8
|
||||
and eax, 0x0f
|
||||
ret
|
||||
|
||||
shr eax, 8
|
||||
and eax, 0x0f
|
||||
ret
|
||||
.end_cpuid:
|
||||
mov eax, [cpu_type]
|
||||
ret
|
||||
|
||||
.check_AMD:
|
||||
cmp ebx, dword [AMD_str-OS_BASE]
|
||||
jne .unknown
|
||||
cmp edx, dword [AMD_str+4-OS_BASE]
|
||||
jne .unknown
|
||||
cmp ecx, dword [AMD_str+8-OS_BASE]
|
||||
jne .unknown
|
||||
mov [cpu_AMD], 1
|
||||
cmp eax, 1
|
||||
jl .unknown
|
||||
mov eax, 1
|
||||
cpuid
|
||||
mov [cpu_sign-OS_BASE], eax
|
||||
mov [cpu_info-OS_BASE], ebx
|
||||
mov [cpu_caps-OS_BASE], edx
|
||||
mov [cpu_caps+4-OS_BASE],ecx
|
||||
shr eax, 8
|
||||
and eax, 0x0f
|
||||
ret
|
||||
.unknown:
|
||||
mov eax, 1
|
||||
cpuid
|
||||
mov [cpu_sign-OS_BASE], eax
|
||||
mov [cpu_info-OS_BASE], ebx
|
||||
mov [cpu_caps-OS_BASE], edx
|
||||
mov [cpu_caps+4-OS_BASE],ecx
|
||||
shr eax, 8
|
||||
and eax, 0x0f
|
||||
ret
|
||||
endp
|
||||
|
||||
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@ -246,7 +246,7 @@ include "gui/skincode.inc"
|
||||
|
||||
; Pci functions
|
||||
include "bus/pci/pci32.inc"
|
||||
include "bus/pci/PCIe.inc"
|
||||
;include "bus/pci/PCIe.inc"
|
||||
include "bus/HT.inc" ; AMD HyperTransport bus control
|
||||
|
||||
; Floppy drive controller
|
||||
|
||||
@ -122,9 +122,13 @@
|
||||
; FE04 dword screen y size
|
||||
; FE08 dword screen y multiplier
|
||||
; FE0C dword screen mode
|
||||
; FE10 -> FE7F free (112)
|
||||
; FE80 dword physical address of LFB
|
||||
; FE84 dword physical address of user-accessible static system buffer
|
||||
; FE10 -> FE73 free (100)
|
||||
; FE74 dword PCIe extended (memory-mappable) config space - physical address
|
||||
; FE78 dword PCIe extended config space limit
|
||||
; FE7C word number of 4M-pages needed to map PCIe config space
|
||||
; FE7E word PCIe bus range (power-ow-two Mbytes)
|
||||
; FE80 dword physical address of user-accessible static system buffer
|
||||
; FE84 dword physical address of LFB
|
||||
; FE88 dword address of button list
|
||||
; FE8C dword memory to use
|
||||
; FE90 -> FEFF free (112)
|
||||
@ -138,7 +142,16 @@
|
||||
; FFFF byte do not change task for 1/100 sec.
|
||||
;
|
||||
; 0x80010000 -> 6CBFF kernel, 32-bit run-time code (up to 371 Kb)
|
||||
|
||||
; in the current version:
|
||||
; -> 01726 16-bit code end
|
||||
; -> 01828 16-bit data end
|
||||
; -> 11828 32-bit code start
|
||||
; -> 2E19E 32-bit code end
|
||||
; -> 314F8..end_of_kernel zero-filled zone after preinit_mem
|
||||
; -> 34DFB uninitialized globals start
|
||||
; -> 3CFEA end_of_kernel
|
||||
; -> 3D000 not used (190k)
|
||||
; 0x80050000 -> 090000 zero-filled zone after preinit_mem
|
||||
; 0x8006CC00 -> 6DBFF stack at boot time (4Kb)
|
||||
;
|
||||
; 0x8006DC00 -> 6E5FF basic text font II
|
||||
@ -192,6 +205,8 @@
|
||||
; 0x800A0000 -> AFFFF screen access area
|
||||
; 0x800B0000 -> FFFFF bios rest in peace -area (320k) ?
|
||||
; 0x80100000 -> 27FFFF diskette image (1m5)
|
||||
|
||||
; 0x80280000 -> HEAP_BASE zero-filled zone after preinit_mem
|
||||
; 0x80280000 -> 281FFF ramdisk fat (8k)
|
||||
; 0x80282000 -> 283FFF floppy fat (8k)
|
||||
;
|
||||
@ -225,8 +240,8 @@
|
||||
; dword end port
|
||||
; dword 0
|
||||
;
|
||||
; 0x802E0000 -> 2EFFFF irq data area (64k)
|
||||
; 0x802F0000 -> 2FFFFF low memory save (64k)
|
||||
; 0x802E0000 -> 2EFFFF irq data area (64k)
|
||||
; 0x802F0000 -> 2FFFFF low memory save (64k)
|
||||
;
|
||||
; 0x80300000 -> 31FFFF tcp memory (128k)
|
||||
; 0x80320000 -> 327FFF tcp memory (32k)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user