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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:35:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:31 +0000
commit85c675d0d09a45a135bddd15d7b385f8758c32fb (patch)
tree76267dbc9b9a130337be3640948fe397b04ac629 /arch/riscv/include/asm/asm.h
parentAdding upstream version 6.6.15. (diff)
downloadlinux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz
linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/riscv/include/asm/asm.h')
-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)