pussuw commented on a change in pull request #5782:
URL: https://github.com/apache/incubator-nuttx/pull/5782#discussion_r830800181
##########
File path: arch/risc-v/src/common/riscv_pthread_start.c
##########
@@ -66,11 +66,17 @@
void up_pthread_start(pthread_trampoline_t startup,
pthread_startroutine_t entrypt, pthread_addr_t arg)
{
+#ifdef CONFIG_ARCH_USE_S_MODE
+ /* Let ksys_call3() do all of the work */
+
+ ksys_call3(SYS_pthread_start, (uintptr_t)startup, (uintptr_t)entrypt,
Review comment:
I don't think so. Not easily at least.
The user mode proxy functions need the original syscall implementations
where privilege is moved from U->M/S. The kernel requires a separate
implementation where ecall is not used.
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