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53 lines
1.2 KiB
ArmAsm
53 lines
1.2 KiB
ArmAsm
/*
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* PROJECT: ReactOS Kernel
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* LICENSE: BSD - See COPYING.ARM in the top level directory
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* FILE: ntoskrnl/ke/arm/boot.s
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* PURPOSE: Implements the kernel entry point for ARM machines
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* PROGRAMMERS: ReactOS Portable Systems Group
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*/
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#include <ksarm.h>
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TEXTAREA
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IMPORT KiInitializeSystem
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NESTED_ENTRY KiSystemStartup
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PROLOG_END KiSystemStartup
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/* Put us in FIQ mode, set IRQ stack */
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b .
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mrs r3, cpsr
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orr r3, r1, #CPSRM_FIQ
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//msr cpsr, r3
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msr cpsr_fc, r3
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ldr sp, [a1, #LpbKernelStack]
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/* Repeat for IRQ mode */
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mov r3, #CPSRM_INT
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msr cpsr_c, r3
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ldr sp, [a1, #LpbKernelStack]
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/* Put us in ABORT mode and set the panic stack */
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mov r3, #CPSRM_ABT
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msr cpsr_c, r3
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ldr sp, [a1, #LpbKernelStack]
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/* Repeat for UDF (Undefined) mode */
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mov r3, #CPSRM_UDF
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msr cpsr_c, r3
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ldr sp, [a1, #LpbKernelStack]
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/* Put us into SVC (Supervisor) mode and set the kernel stack */
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mov r3, #CPSRM_SVC
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msr cpsr_c, r3
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ldr sp, [a1, #LpbKernelStack]
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/* Go to C code */
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b KiInitializeSystem
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NESTED_END KiSystemStartup
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END
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/* EOF */
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