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- Fix wrong initialization of different modes and stacks.

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svn path=/trunk/; revision=45532
This commit is contained in:
evb 2010-02-09 18:05:01 +00:00
parent 05051294e4
commit 8aff466da3
1 changed files with 9 additions and 33 deletions
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42
reactos/ntoskrnl/ke/arm/boot.s
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@ -14,48 +14,24 @@
NESTED_ENTRY KiSystemStartup
PROLOG_END KiSystemStartup
/* Put us in FIQ mode */
mrs r3, cpsr
orr r3, r1, #CPSR_FIQ_MODE
msr cpsr, r3
/* Set FIQ stack and registers */
/* Put us in FIQ mode, set IRQ stack */
msr cpsr_c, #CPSR_FIQ_MODE
ldr sp, [a1, #LpbInterruptStack]
mov r8, #0
mov r9, #0
mov r10, #0
/* Repeat for IRQ mode */
mrs r3, cpsr
orr r3, r1, #CPSR_IRQ_MODE
msr cpsr, r3
msr cpsr_c, #CPSR_IRQ_MODE
ldr sp, [a1, #LpbInterruptStack]
mov r8, #0
mov r9, #0
mov r10, #0
/* Put us in ABORT mode */
mrs r3, cpsr
orr r3, r1, #CPSR_ABORT_MODE
msr cpsr, r3
/* Set panic stack */
/* Put us in ABORT mode and set the panic stack */
msr cpsr_c, #CPSR_ABORT_MODE
ldr sp, [a1, #LpbPanicStack]
/* Put us in UND (Undefined) mode */
mrs r3, cpsr
orr r3, r1, #CPSR_UND_MODE
msr cpsr, r3
/* Set panic stack */
/* Repeat for UND (Undefined) mode */
msr cpsr_c, #CPSR_UND_MODE
ldr sp, [a1, #LpbPanicStack]
/* Put us into SVC (Supervisor) mode */
mrs r3, cpsr
orr r3, r1, #CPSR_SVC_MODE
msr cpsr, r3
/* Switch to boot kernel stack */
/* 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 */