diff mbox series

[v2,1/4] RISC-V: use REG_S/REG_L for mcount

Message ID 20221115200832.706370-2-jamie@jamieiles.com (mailing list archive)
State Accepted
Commit 8a6841c439dfbba2067a533b0e8264ea438689f6
Delegated to: Palmer Dabbelt
Headers show
Series RISC-V: Dynamic ftrace support for RV32I | expand

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Commit Message

Jamie Iles Nov. 15, 2022, 8:08 p.m. UTC 
In preparation for rv32i ftrace support, convert mcount routines to use
native sized loads/stores.

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
---
 arch/riscv/kernel/mcount.S | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)
diff mbox series

Patch

diff --git a/arch/riscv/kernel/mcount.S b/arch/riscv/kernel/mcount.S
index 6d462681c9c0..9cf0904afd6d 100644
--- a/arch/riscv/kernel/mcount.S
+++ b/arch/riscv/kernel/mcount.S
@@ -15,8 +15,8 @@ 
 
 	.macro SAVE_ABI_STATE
 	addi	sp, sp, -16
-	sd	s0, 0(sp)
-	sd	ra, 8(sp)
+	REG_S	s0, 0(sp)
+	REG_S	ra, 8(sp)
 	addi	s0, sp, 16
 	.endm
 
@@ -26,22 +26,22 @@ 
 	 */
 	.macro SAVE_RET_ABI_STATE
 	addi	sp, sp, -32
-	sd	s0, 16(sp)
-	sd	ra, 24(sp)
-	sd	a0, 8(sp)
+	REG_S	s0, 16(sp)
+	REG_S	ra, 24(sp)
+	REG_S	a0, 8(sp)
 	addi	s0, sp, 32
 	.endm
 
 	.macro RESTORE_ABI_STATE
-	ld	ra, 8(sp)
-	ld	s0, 0(sp)
+	REG_L	ra, 8(sp)
+	REG_L	s0, 0(sp)
 	addi	sp, sp, 16
 	.endm
 
 	.macro RESTORE_RET_ABI_STATE
-	ld	ra, 24(sp)
-	ld	s0, 16(sp)
-	ld	a0, 8(sp)
+	REG_L	ra, 24(sp)
+	REG_L	s0, 16(sp)
+	REG_L	a0, 8(sp)
 	addi	sp, sp, 32
 	.endm
 
@@ -82,16 +82,16 @@  ENTRY(MCOUNT_NAME)
 	la	t4, ftrace_stub
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 	la	t0, ftrace_graph_return
-	ld	t1, 0(t0)
+	REG_L	t1, 0(t0)
 	bne	t1, t4, do_ftrace_graph_caller
 
 	la	t3, ftrace_graph_entry
-	ld	t2, 0(t3)
+	REG_L	t2, 0(t3)
 	la	t6, ftrace_graph_entry_stub
 	bne	t2, t6, do_ftrace_graph_caller
 #endif
 	la	t3, ftrace_trace_function
-	ld	t5, 0(t3)
+	REG_L	t5, 0(t3)
 	bne	t5, t4, do_trace
 	ret
 
@@ -104,7 +104,7 @@  do_ftrace_graph_caller:
 	addi	a0, s0, -8
 	mv	a1, ra
 #ifdef HAVE_FUNCTION_GRAPH_FP_TEST
-	ld	a2, -16(s0)
+	REG_L	a2, -16(s0)
 #endif
 	SAVE_ABI_STATE
 	call	prepare_ftrace_return
@@ -117,7 +117,7 @@  do_ftrace_graph_caller:
  * (*ftrace_trace_function)(ra_to_caller, ra_to_caller_of_caller)
  */
 do_trace:
-	ld	a1, -8(s0)
+	REG_L	a1, -8(s0)
 	mv	a0, ra
 
 	SAVE_ABI_STATE