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kern: pass u32 directly to CopyMemoryToUserSize32Bit

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This commit is contained in:
Michael Scire
2025-11-11 18:48:37 -07:00
parent 98e131fcd1
commit 5b14d1f2b1
3 changed files with 18 additions and 19 deletions
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15
libraries/libmesosphere/source/arch/arm64/kern_userspace_memory_access_asm.s
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@@ -306,15 +306,14 @@ _ZN3ams4kern4arch5arm6415UserspaceAccess4Impl28CopyMemoryToUserAligned64BitEPvPK
mov x0, #1
ret
/* ams::kern::arch::arm64::UserspaceAccess::Impl::CopyMemoryToUserSize32Bit(void *dst, const void *src) */
.section .text._ZN3ams4kern4arch5arm6415UserspaceAccess4Impl25CopyMemoryToUserSize32BitEPvPKv, "ax", %progbits
.global _ZN3ams4kern4arch5arm6415UserspaceAccess4Impl25CopyMemoryToUserSize32BitEPvPKv
.type _ZN3ams4kern4arch5arm6415UserspaceAccess4Impl25CopyMemoryToUserSize32BitEPvPKv, %function
/* ams::kern::arch::arm64::UserspaceAccess::Impl::CopyMemoryToUserSize32Bit(void *dst, u32 value) */
.section .text._ZN3ams4kern4arch5arm6415UserspaceAccess4Impl25CopyMemoryToUserSize32BitEPvj, "ax", %progbits
.global _ZN3ams4kern4arch5arm6415UserspaceAccess4Impl25CopyMemoryToUserSize32BitEPvj
.type _ZN3ams4kern4arch5arm6415UserspaceAccess4Impl25CopyMemoryToUserSize32BitEPvj, %function
.balign 0x10
_ZN3ams4kern4arch5arm6415UserspaceAccess4Impl25CopyMemoryToUserSize32BitEPvPKv:
/* Just load and store a u32. */
ldr w2, [x1]
sttr w2, [x0]
_ZN3ams4kern4arch5arm6415UserspaceAccess4Impl25CopyMemoryToUserSize32BitEPvj:
/* Just store a u32. */
sttr w1, [x0]
/* We're done. */
mov x0, #1