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[lwp][vdso] Add VDSO functionality under the aarch64 architecture (#9176)

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Add VDSO functionality under the aarch64 architecture
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rcitachi
2024-07-15 17:58:29 +08:00
committed by GitHub
parent 96ba787e25
commit 14fb55933b
22 changed files with 891 additions and 2 deletions
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libcpu/aarch64/cortex-a/entry_point.S
+4
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@@ -234,6 +234,10 @@ init_cpu_el:
bic x0, x0, #(1 << 1) /* Disable Alignment check */
msr sctlr_el1, x0
mrs x0, cntkctl_el1
orr x0, x0, #(1 << 1) /* Set EL0VCTEN, enabling the EL0 Virtual Count Timer */
msr cntkctl_el1, x0
/* Avoid trap from SIMD or float point instruction */
mov x0, #0x00300000 /* Don't trap any SIMD/FP instructions in both EL0 and EL1 */
msr cpacr_el1, x0