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-rw-r--r--qtmips_machine/registers.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/qtmips_machine/registers.cpp b/qtmips_machine/registers.cpp
index b51be85..fa9731a 100644
--- a/qtmips_machine/registers.cpp
+++ b/qtmips_machine/registers.cpp
@@ -42,6 +42,7 @@ using namespace machine;
//////////////////////////////////////////////////////////////////////////////
/// Program counter initial value
#define PC_INIT 0x80020000
+#define SP_INIT 0xbfffff00
//////////////////////////////////////////////////////////////////////////////
Registers::Registers() : QObject() {
@@ -136,6 +137,7 @@ void Registers::reset() {
pc_abs_jmp(PC_INIT); // Initialize to beginning program section
for (int i = 1; i < 32; i++)
write_gp(i, 0);
+ write_gp(29, SP_INIT); // initialize to safe RAM area - corresponds to Linux
write_hi_lo(false, 0);
write_hi_lo(true, 0);
}