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Yi-Ting Shih
2025-04-01 17:13:46 +08:00
parent 96cfdc4de2
commit 5ae11ac062
10 changed files with 197 additions and 65 deletions
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80
kernel/exception_table.S
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@@ -2,44 +2,56 @@
// save general registers to stack
.macro save_all
sub sp, sp, 32 * 8
stp x0, x1, [sp ,16 * 0]
stp x2, x3, [sp ,16 * 1]
stp x4, x5, [sp ,16 * 2]
stp x6, x7, [sp ,16 * 3]
stp x8, x9, [sp ,16 * 4]
stp x10, x11, [sp ,16 * 5]
stp x12, x13, [sp ,16 * 6]
stp x14, x15, [sp ,16 * 7]
stp x16, x17, [sp ,16 * 8]
stp x18, x19, [sp ,16 * 9]
stp x20, x21, [sp ,16 * 10]
stp x22, x23, [sp ,16 * 11]
stp x24, x25, [sp ,16 * 12]
stp x26, x27, [sp ,16 * 13]
stp x28, x29, [sp ,16 * 14]
str x30, [sp, 16 * 15]
sub sp, sp, 36 * 8
stp x0, x1, [sp, 16 * 0]
stp x2, x3, [sp, 16 * 1]
stp x4, x5, [sp, 16 * 2]
stp x6, x7, [sp, 16 * 3]
stp x8, x9, [sp, 16 * 4]
stp x10, x11, [sp, 16 * 5]
stp x12, x13, [sp, 16 * 6]
stp x14, x15, [sp, 16 * 7]
stp x16, x17, [sp, 16 * 8]
stp x18, x19, [sp, 16 * 9]
stp x20, x21, [sp, 16 * 10]
stp x22, x23, [sp, 16 * 11]
stp x24, x25, [sp, 16 * 12]
stp x26, x27, [sp, 16 * 13]
stp x28, x29, [sp, 16 * 14]
stp x30, lr, [sp, 16 * 15]
mrs x0, spsr_el1
mrs x1, elr_el1
mrs x2, esr_el1
stp x0, x1, [sp, 16 * 16]
str x2, [sp, 16 * 17]
.endm
// load general registers from stack
.macro load_all
ldp x0, x1, [sp ,16 * 0]
ldp x2, x3, [sp ,16 * 1]
ldp x4, x5, [sp ,16 * 2]
ldp x6, x7, [sp ,16 * 3]
ldp x8, x9, [sp ,16 * 4]
ldp x10, x11, [sp ,16 * 5]
ldp x12, x13, [sp ,16 * 6]
ldp x14, x15, [sp ,16 * 7]
ldp x16, x17, [sp ,16 * 8]
ldp x18, x19, [sp ,16 * 9]
ldp x20, x21, [sp ,16 * 10]
ldp x22, x23, [sp ,16 * 11]
ldp x24, x25, [sp ,16 * 12]
ldp x26, x27, [sp ,16 * 13]
ldp x28, x29, [sp ,16 * 14]
ldr x30, [sp, 16 * 15]
add sp, sp, 32 * 8
ldp x0, x1, [sp, 16 * 0]
ldp x2, x3, [sp, 16 * 1]
ldp x4, x5, [sp, 16 * 2]
ldp x6, x7, [sp, 16 * 3]
ldp x8, x9, [sp, 16 * 4]
ldp x10, x11, [sp, 16 * 5]
ldp x12, x13, [sp, 16 * 6]
ldp x14, x15, [sp, 16 * 7]
ldp x16, x17, [sp, 16 * 8]
ldp x18, x19, [sp, 16 * 9]
ldp x20, x21, [sp, 16 * 10]
ldp x22, x23, [sp, 16 * 11]
ldp x24, x25, [sp, 16 * 12]
ldp x26, x27, [sp, 16 * 13]
ldp x28, x29, [sp, 16 * 14]
ldp x30, lr, [sp, 16 * 15]
mrs x0, spsr_el1
mrs x1, elr_el1
mrs x2, esr_el1
ldp x0, x1, [sp, 16 * 16]
ldr x2, [sp, 16 * 17]
add sp, sp, 36 * 8
.endm
_null_handler: