[GitHub] [incubator-nuttx] pussuw commented on a change in pull request #5782: RISC-V: Implement option to run NuttX in supervisor mode (S-mode)

[GitBox]

pussuw commented on a change in pull request #5782:
URL: https://github.com/apache/incubator-nuttx/pull/5782#discussion_r837260639



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File path: arch/risc-v/include/syscall.h
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@@ -207,7 +164,15 @@ static inline uintptr_t sys_call0(unsigned int nbr)
 
   asm volatile
     (
+#if defined (CONFIG_ARCH_USE_S_MODE) && defined (__KERNEL__)

Review comment:
       This should now select the correct implementation per referrer, so for 
kernel in S-mode the trampoline is used, and for flat/protected/user mode in 
kernel build, ecall is used




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