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Kernel: Add even more AARCH64 stubs

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This commit is contained in:
Gunnar Beutner 2022-10-16 22:43:43 +02:00 • committed by Linus Groh
parent 63a91d6971
commit 056e406a12
9 changed files with 136 additions and 13 deletions
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9
Kernel/Arch/aarch64/vector_table.S
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@ -63,12 +63,21 @@
mrs x0, sp_el0
str x0, [sp, #SP_EL0_SLOT]
// Set up TrapFrame struct on the stack
sub sp, sp, #16
mov x0, sp
str x0, [sp, #(1 * 8)]
str xzr, [sp, #(0 * 0)]
// Move stack pointer into first argument register
// and jump to the C++ exception handler
mov x0, sp
.endm
.macro restore_previous_context
// Remove TrapFrame from the stack
add sp, sp, #16
// Restore special registers first
ldr x0, [sp, #SPSR_EL1_SLOT]
msr spsr_el1, x0