reactos/ntoskrnl/ke/arm/boot.s
Hermès Bélusca-Maïto b819608ed8 Create a branch for console restructuration work.
svn path=/branches/condrv_restructure/; revision=63104
2014-05-02 14:13:40 +00:00

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1.2 KiB
ArmAsm

/*
* PROJECT: ReactOS Kernel
* LICENSE: BSD - See COPYING.ARM in the top level directory
* FILE: ntoskrnl/ke/arm/boot.s
* PURPOSE: Implements the kernel entry point for ARM machines
* PROGRAMMERS: ReactOS Portable Systems Group
*/
.title "ARM Kernel Entry Point"
.include "ntoskrnl/include/internal/arm/kxarm.h"
.include "ntoskrnl/include/internal/arm/ksarm.h"
TEXTAREA
NESTED_ENTRY KiSystemStartup
PROLOG_END KiSystemStartup
/* Put us in FIQ mode, set IRQ stack */
b .
mrs r3, cpsr
orr r3, r1, #CPSR_FIQ_MODE
msr cpsr, r3
ldr sp, [a1, #LpbInterruptStack]
/* Repeat for IRQ mode */
msr cpsr_c, #CPSR_IRQ_MODE
ldr sp, [a1, #LpbInterruptStack]
/* Put us in ABORT mode and set the panic stack */
msr cpsr_c, #CPSR_ABORT_MODE
ldr sp, [a1, #LpbPanicStack]
/* Repeat for UND (Undefined) mode */
msr cpsr_c, #CPSR_UND_MODE
ldr sp, [a1, #LpbPanicStack]
/* Put us into SVC (Supervisor) mode and set the kernel stack */
msr cpsr_c, #CPSR_SVC_MODE
ldr sp, [a1, #LpbKernelStack]
/* Go to C code */
b KiInitializeSystem
ENTRY_END KiSystemStartup
/* EOF */