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arch/x86_64/intel64: re-enable interrupts before syscall handle

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arch/x86_64/intel64: re-enable interrupts before syscall handle
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p-szafonimateusz
2024-11-27 15:48:33 +01:00
committed by Alan C. Assis
parent 908ac756ea
commit eca40ff053
1 changed files with 9 additions and 0 deletions
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arch/x86_64/src/common/x86_64_syscall.c
+9
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@@ -302,6 +302,15 @@ uint64_t *x86_64_syscall(uint64_t *regs)
rtcb->xcp.saved_ursp = regs[REG_RSP]; rtcb->xcp.saved_ursp = regs[REG_RSP];
#endif #endif
/* Re-enable interrupts if enabled before.
* Current task RFLAGS are stored in R11.
*/
if (regs[REG_R11] & X86_64_RFLAGS_IF)
{
up_irq_restore(X86_64_RFLAGS_IF);
}
/* Call syscall function */ /* Call syscall function */
ret = stub(nbr, arg1, arg2, arg3, arg4, arg5, arg6); ret = stub(nbr, arg1, arg2, arg3, arg4, arg5, arg6);