summaryrefslogtreecommitdiffstats
path: root/arch/riscv/include/asm/asm.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--arch/riscv/include/asm/asm.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/asm.h b/arch/riscv/include/asm/asm.h
index bfb4c26f11..b0487b39e6 100644
--- a/arch/riscv/include/asm/asm.h
+++ b/arch/riscv/include/asm/asm.h
@@ -104,6 +104,25 @@
.endm
#endif /* CONFIG_SMP */
+.macro load_per_cpu dst ptr tmp
+ asm_per_cpu \dst \ptr \tmp
+ REG_L \dst, 0(\dst)
+.endm
+
+#ifdef CONFIG_SHADOW_CALL_STACK
+/* gp is used as the shadow call stack pointer instead */
+.macro load_global_pointer
+.endm
+#else
+/* load __global_pointer to gp */
+.macro load_global_pointer
+.option push
+.option norelax
+ la gp, __global_pointer$
+.option pop
+.endm
+#endif /* CONFIG_SHADOW_CALL_STACK */
+
/* save all GPs except x1 ~ x5 */
.macro save_from_x6_to_x31
REG_S x6, PT_T1(sp)