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Code Issues Releases Activity

kern: fix sleep save/resume for new x18/tpidr scheme

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This commit is contained in:
Michael Scire 2020-12-01 14:09:09 -08:00
parent 791638e6ba
commit e81025af2e
1 changed files with 18 additions and 16 deletions
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34
libraries/libmesosphere/source/board/nintendo/nx/kern_k_sleep_manager_asm.s
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@ -29,8 +29,8 @@
.type _ZN3ams4kern5board8nintendo2nx13KSleepManager15CpuSleepHandlerEmm, %function
_ZN3ams4kern5board8nintendo2nx13KSleepManager15CpuSleepHandlerEmm:
/* Save arguments. */
mov x17, x0
mov x18, x1
mov x16, x0
mov x17, x1
/* Enable access to FPU registers. */
mrs x1, cpacr_el1
@ -40,12 +40,13 @@ _ZN3ams4kern5board8nintendo2nx13KSleepManager15CpuSleepHandlerEmm:
isb
/* Save callee-save registers. */
stp x19, x20, [x0], #0x10
stp x21, x22, [x0], #0x10
stp x23, x24, [x0], #0x10
stp x25, x26, [x0], #0x10
stp x27, x28, [x0], #0x10
stp x29, x30, [x0], #0x10
stp x18, x19, [x0], #0x10
stp x20, x21, [x0], #0x10
stp x22, x23, [x0], #0x10
stp x24, x25, [x0], #0x10
stp x26, x27, [x0], #0x10
stp x28, x29, [x0], #0x10
stp x30, xzr, [x0], #0x10
/* Save stack pointer. */
mov x1, sp
@ -113,8 +114,8 @@ _ZN3ams4kern5board8nintendo2nx13KSleepManager15CpuSleepHandlerEmm:
1: /* Suspend. */
LOAD_IMMEDIATE_32(x0, 0xC4000001)
LOAD_IMMEDIATE_32(x1, 0x0201001B)
mov x2, x18
mov x3, x17
mov x2, x17
mov x3, x16
smc #1
0: b 0b
@ -190,12 +191,13 @@ _ZN3ams4kern5board8nintendo2nx13KSleepManager11ResumeEntryEm:
isb
/* Restore callee-save registers. */
ldp x19, x20, [x0], #0x10
ldp x21, x22, [x0], #0x10
ldp x23, x24, [x0], #0x10
ldp x25, x26, [x0], #0x10
ldp x27, x28, [x0], #0x10
ldp x29, x30, [x0], #0x10
ldp x18, x19, [x0], #0x10
ldp x20, x21, [x0], #0x10
ldp x22, x23, [x0], #0x10
ldp x24, x25, [x0], #0x10
ldp x26, x27, [x0], #0x10
ldp x28, x29, [x0], #0x10
ldp x30, xzr, [x0], #0x10
/* Restore stack pointer. */
ldr x1, [x0], #8