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reactos/ntoskrnl/ke/powerpc/ctxhelp.S

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ArmAsm
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Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/ke/i386/ctxswitch.S
* PURPOSE: Thread Context Switching
*
* PROGRAMMERS: arty
(i386 implementation by Alex Ionescu)
*/
/* INCLUDES ******************************************************************/
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
.text
.globl syscall_start
.globl syscall_end
.globl KiSystemService
syscall_start:
mtsprg0 0
mtsprg1 1
/* Save and modify srr0 */
/* Make a place to store the old srr0 and srr1 ... we may fault
* getting KiSystemService1 which will clobber them. */
lis 1,1
mfsrr0 0
stw 0,-16(1)
mfsrr1 0
stw 0,-12(1)
/* Load the target address */
lis 1,KiSystemService1@ha
addi 1,1,KiSystemService1@l
mtsrr0 1
mfsprg0 0
mfsprg1 1
rfi
syscall_end:
.space 4
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
.globl KiSystemService
.globl KiSystemService1
.globl kiss_proceed
.globl kiss_end
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
.align 8
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
KiSystemService1:
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
stwu 1,-256(1)
stw 0,16(1)
mflr 0
stw 0,264(1)
addi 1,1,16
stw 2,8(1)
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
stw 3,12(1)
stw 4,16(1)
stw 5,20(1)
stw 6,24(1)
stw 7,28(1)
stw 8,32(1)
stw 9,36(1)
stw 10,40(1)
stw 11,44(1)
stw 12,48(1)
stw 13,52(1)
stw 14,56(1)
stw 15,60(1)
stw 16,64(1)
stw 17,68(1)
stw 18,72(1)
stw 19,76(1)
stw 20,80(1)
stw 21,84(1)
stw 22,88(1)
stw 23,92(1)
stw 24,96(1)
stw 25,100(1)
stw 26,104(1)
stw 27,108(1)
stw 28,112(1)
stw 29,116(1)
stw 30,120(1)
stw 31,124(1)
mflr 0
stw 0,128(1)
mfctr 0
stw 0,136(1)
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
mfmsr 0
andi. 0,0,0xffef
mtmsr 0
lis 2,1
lwz 30,-12(2)
lwz 31,-16(2)
mfmsr 0
ori 0,0,0x10
mtmsr 0
stw 31,140(1)
stw 30,144(1)
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
mfdsisr 0
stw 0,148(1)
mfdar 0
stw 0,152(1)
lis 3,KiSystemService@ha
addi 3,3,KiSystemService@l
mtctr 3
mr 3,1
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
subi 1,1,16
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
bctrl
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
addi 1,1,16
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
/* Return from kernel */
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
lwz 3,32(1) /* Result */
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
lwz 0,128(1)
mtlr 0
lwz 0,140(1)
mtsrr0 0
lwz 0,144(1)
mtsrr1 0
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
addi 1,1,0x100 - 16
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
rfi
.globl KiDecrementerTrapHandler
.globl KiDecrementerTrapHandlerEnd
.globl KiDecrementerTrap
KiDecrementerTrapHandler:
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
mtsprg0 0
mtsprg1 1
/* Save and modify srr0 */
/* Make a place to store the old srr0 and srr1 ... we may fault
* getting KiSystemService1 which will clobber them. */
lis 1,1
mfsprg1 0
stw 0,-24(1)
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
mfsrr1 0
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
stw 0,-28(1)
mfsrr0 0
stw 0,-32(1)
/* Load the target address */
lis 1,KiDecrementerTrapUpper@ha
addi 1,1,KiDecrementerTrapUpper@l
mtsrr0 1
mfsprg0 0
mfsprg1 1
rfi
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
KiDecrementerTrapHandlerEnd:
.long 0
/* Decrementer needs to restore the full CPU state */
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
.globl KiDecrementerTrapUpper
.align 8
KiDecrementerTrapUpper:
lis 1,_kernel_trap_stack@ha
addi 1,1,_kernel_trap_stack@l
subi 1,1,0x200
stw 0,0x5c(1)
/* Stack handled a bit later */
stw 2,0x64(1)
stw 3,0x68(1)
stw 4,0x6c(1)
stw 5,0x70(1)
stw 6,0x74(1)
stw 7,0x78(1)
stw 8,0x7c(1)
stw 9,0x80(1)
stw 10,0x84(1)
stw 11,0x88(1)
stw 12,0x8c(1)
stw 13,0x90(1)
stw 14,0x94(1)
stw 15,0x98(1)
stw 16,0x9c(1)
stw 17,0xa0(1)
stw 18,0xa4(1)
stw 19,0xa8(1)
stw 20,0xac(1)
stw 21,0xb0(1)
stw 22,0xb4(1)
stw 23,0xb8(1)
stw 24,0xbc(1)
stw 25,0xc0(1)
stw 26,0xc4(1)
stw 27,0xc8(1)
stw 28,0xcc(1)
stw 29,0xd0(1)
stw 30,0xd4(1)
stw 31,0xd8(1)
mfcr 0
stw 0,0x108(1)
mfxer 0
stw 0,0x10c(1)
mflr 0
stw 0,0x118(1)
mfctr 0
stw 0,0x11c(1)
mfmsr 0
andi. 0,0,0x7fef
mtmsr 0
lis 2,1
lwz 29,-24(2) // Stack
lwz 30,-28(2) // srr1
lwz 31,-32(2) // srr0
mfmsr 0
ori 0,0,0x30
mtmsr 0
stw 29,0x60(1) // Stack
stw 30,0x110(1) // srr1
stw 31,0x114(1) // srr0
mr 3,1
subi 1,1,16
bl KiDecrementerTrap
addi 1,1,16
lwz 2,0x64(1)
lwz 3,0x68(1)
lwz 4,0x6c(1)
lwz 5,0x70(1)
lwz 6,0x74(1)
lwz 7,0x78(1)
lwz 8,0x7c(1)
lwz 9,0x80(1)
lwz 10,0x84(1)
lwz 11,0x88(1)
lwz 12,0x8c(1)
lwz 13,0x90(1)
lwz 14,0x94(1)
lwz 15,0x98(1)
lwz 16,0x9c(1)
lwz 17,0xa0(1)
lwz 18,0xa4(1)
lwz 19,0xa8(1)
lwz 20,0xac(1)
lwz 21,0xb0(1)
lwz 22,0xb4(1)
lwz 23,0xb8(1)
lwz 24,0xbc(1)
lwz 25,0xc0(1)
lwz 26,0xc4(1)
lwz 27,0xc8(1)
lwz 28,0xcc(1)
lwz 29,0xd0(1)
lwz 30,0xd4(1)
lwz 31,0xd8(1)
lwz 0,0x108(1)
mtcr 0
lwz 0,0x10c(1)
mtxer 0
lwz 0,0x110(1)
mtsrr1 0
lwz 0,0x114(1)
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
mtsrr0 0
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
lwz 0,0x118(1)
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
mtlr 0
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
lwz 0,0x11c(1)
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
mtctr 0
// back out r0 and r1
Page fault, system calls, context switches debugged. Heaps, system calls, context switches all functional. svn path=/trunk/; revision=31953
2008-01-23 00:43:39 +00:00
lwz 0,0x5c(1)
lwz 1,0x60(1)
Add the beginnings of context switch and decrementer exception handler. Move cruddy asm code for syscall trap to an ASM file. Factor out an i386 specific name. Add relevant registers to FX save. svn path=/trunk/; revision=30108
2007-11-04 12:09:37 +00:00
// Bye!!1
rfi
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