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kern: RESERVED_2F now set by HandleFpuException

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Michael Scire 2025-11-11 19:35:39 -07:00 committed by SciresM
parent ac382f69e7
commit 6b0ef21b83
1 changed files with 5 additions and 0 deletions
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mesosphere/kernel/source/arch/arm64/kern_exception_handlers_asm.s
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@ -510,6 +510,11 @@ _ZN3ams4kern4arch5arm6425FpuAccessExceptionHandlerEv:
ENABLE_AND_RESTORE_FPU(x2, x0, x1, w0, w1, 1, 2) ENABLE_AND_RESTORE_FPU(x2, x0, x1, w0, w1, 1, 2)
/* Set new flag at StackParameters + 0x2F. */
/* NOTE: This is new in 21.0.0, and does not seem to be used anywhere else in the kernel. */
mov w0, #1
strb w0, [sp, #(EXCEPTION_CONTEXT_SIZE + THREAD_STACK_PARAMETERS_RESERVED_2F)]
/* Restore registers. */ /* Restore registers. */
ldp x0, x1, [sp, #(EXCEPTION_CONTEXT_X0_X1)] ldp x0, x1, [sp, #(EXCEPTION_CONTEXT_X0_X1)]
ldp x2, x3, [sp, #(EXCEPTION_CONTEXT_X2_X3)] ldp x2, x3, [sp, #(EXCEPTION_CONTEXT_X2_X3)]