From 7747578ebb11dbb7315e59542dba5400e6037aef Mon Sep 17 00:00:00 2001
From: Zihao Yu <yuzihao@ict.ac.cn>
Date: Sun, 13 Oct 2019 21:17:53 +0800
Subject: [PATCH] qemu-diff,riscv64: do not enter S-mode

---
 src/isa/riscv64/init.c                 | 2 +-
 tools/qemu-diff/src/isa/riscv64/init.c | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/isa/riscv64/init.c b/src/isa/riscv64/init.c
index 2b8925de..d276f23a 100644
--- a/src/isa/riscv64/init.c
+++ b/src/isa/riscv64/init.c
@@ -16,7 +16,7 @@ void init_clint(void);
 void init_isa(void) {
   cpu.gpr[0]._64 = 0;
   cpu.pc = PC_START;
-  mstatus->val = 0x000c0100;
+  //mstatus->val = 0x000c0100;
 
   register_pmem(0x80000000u);
 
diff --git a/tools/qemu-diff/src/isa/riscv64/init.c b/tools/qemu-diff/src/isa/riscv64/init.c
index bff7e7a7..c30e5d5e 100644
--- a/tools/qemu-diff/src/isa/riscv64/init.c
+++ b/tools/qemu-diff/src/isa/riscv64/init.c
@@ -36,6 +36,7 @@ static uint32_t initcode[] = {
 
 
 void init_isa(void) {
+  return;
 
   // put initcode to QEMU to setup a PMP to permit access to all of memory in S mode
   bool ok = gdb_memcpy_to_qemu(0x80000000, initcode, sizeof(initcode));
-- 
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