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Diffstat (limited to 'samples/ftrace/ftrace-direct-multi.c')
-rw-r--r--samples/ftrace/ftrace-direct-multi.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/samples/ftrace/ftrace-direct-multi.c b/samples/ftrace/ftrace-direct-multi.c
index 9243dbfe4d0c..aed6df2927ce 100644
--- a/samples/ftrace/ftrace-direct-multi.c
+++ b/samples/ftrace/ftrace-direct-multi.c
@@ -17,6 +17,31 @@ void my_direct_func(unsigned long ip)
extern void my_tramp(void *);
+#ifdef CONFIG_RISCV
+#include <asm/asm.h>
+
+asm (
+" .pushsection .text, \"ax\", @progbits\n"
+" .type my_tramp, @function\n"
+" .globl my_tramp\n"
+" my_tramp:\n"
+" addi sp,sp,-3*"SZREG"\n"
+" "REG_S" a0,0*"SZREG"(sp)\n"
+" "REG_S" t0,1*"SZREG"(sp)\n"
+" "REG_S" ra,2*"SZREG"(sp)\n"
+" mv a0,t0\n"
+" call my_direct_func\n"
+" "REG_L" a0,0*"SZREG"(sp)\n"
+" "REG_L" t0,1*"SZREG"(sp)\n"
+" "REG_L" ra,2*"SZREG"(sp)\n"
+" addi sp,sp,3*"SZREG"\n"
+" jr t0\n"
+" .size my_tramp, .-my_tramp\n"
+" .popsection\n"
+);
+
+#endif /* CONFIG_RISCV */
+
#ifdef CONFIG_X86_64
#include <asm/ibt.h>