[incubator-nuttx] branch master updated: arch:rv64:keep the stack to be 16bytes aligned.

[xi...@apache.org]

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xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new f16a0a7  arch:rv64:keep the stack to be 16bytes aligned.
f16a0a7 is described below

commit f16a0a7380d64a01dc9cf4839f5b2d5e611f1f99
Author: hotislandn <ho...@hotmail.com>
AuthorDate: Wed Mar 17 22:42:55 2021 +0800

    arch:rv64:keep the stack to be 16bytes aligned.
    
    Signed-off-by: hotislandn <ho...@hotmail.com>
---
 arch/risc-v/src/rv64gc/riscv_signal_handler.S | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/risc-v/src/rv64gc/riscv_signal_handler.S b/arch/risc-v/src/rv64gc/riscv_signal_handler.S
index 5317523..ac6ecd5 100644
--- a/arch/risc-v/src/rv64gc/riscv_signal_handler.S
+++ b/arch/risc-v/src/rv64gc/riscv_signal_handler.S
@@ -69,8 +69,8 @@ up_signal_handler:
 
   /* Save ra on the stack */
 
-  addi sp, sp, -8
-  sd   ra, (sp)
+  addi sp, sp, -16
+  sd   ra, 8(sp)
 
   /* Call the signal handler */
 
@@ -82,8 +82,8 @@ up_signal_handler:
 
   /* Restore the register */
 
-  ld   ra, (sp)  /* Restore ra in sp */
-  addi sp, sp, 8
+  ld   ra, 8(sp)  /* Restore ra in sp */
+  addi sp, sp, 16
 
   /* Execute the SYS_signal_handler_return SVCall (will not return) */