summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gdbstub/gdbstub_sys.c21
-rw-r--r--libpcsxcore/psxinterpreter.c12
-rw-r--r--libpcsxcore/r3000a.h11
3 files changed, 33 insertions, 11 deletions
diff --git a/gdbstub/gdbstub_sys.c b/gdbstub/gdbstub_sys.c
index 72aaa403..00b78f10 100644
--- a/gdbstub/gdbstub_sys.c
+++ b/gdbstub/gdbstub_sys.c
@@ -72,6 +72,8 @@ static void update_regs(struct dbg_state *const dbg_state)
dbg_state->registers[DBG_CPU_MIPS_I_REG_PC] = psxRegs.pc;
}
+static int exit_loop;
+
int dbg_sys_getc(void)
{
while (1) {
@@ -136,8 +138,11 @@ static int wait_hit_or_break(struct msg *msg)
switch (err) {
case READ_SOCKET_OK:
- if (len && packet == 0x03)
- return 0;
+ if (len && packet == 0x03) {
+ DEBUG_PRINT("received break\n");
+ psxCpu->Halt();
+ return wait_hit_or_break(msg);
+ }
break;
@@ -275,8 +280,6 @@ static int queue_create(void)
}
#endif
-static int exit_loop;
-
static void *loop(void *const args)
{
struct dbg_state dbg_state = {0};
@@ -347,6 +350,16 @@ void dbg_stop(void)
{
exit_loop = 1;
stop_thread();
+
+ if (client_socket > 0) {
+ StopServer(client_socket);
+ printf("Terminated active gdb connection\n");
+ }
+
+ if (server_socket > 0) {
+ StopServer(server_socket);
+ printf("Closed gdb server\n");
+ }
}
void dbg_start(void)
diff --git a/libpcsxcore/psxinterpreter.c b/libpcsxcore/psxinterpreter.c
index 941fda4b..0066b7c7 100644
--- a/libpcsxcore/psxinterpreter.c
+++ b/libpcsxcore/psxinterpreter.c
@@ -1182,6 +1182,12 @@ static void intReset() {
psxRegs.ICache_valid = FALSE;
}
+static int halt;
+
+static void intHalt() {
+ halt = 1;
+}
+
static void intExecute() {
for (;;)
execI();
@@ -1207,7 +1213,7 @@ static void process_gdb(void) {
if (shutdown)
return;
- if (step || (must_continue && tgt_addr && tgt_addr == psxRegs.pc)) {
+ if (halt || step || (must_continue && tgt_addr && tgt_addr == psxRegs.pc)) {
msg.type = MSG_TYPE_HIT;
#if DEBUG == 1
printf("hit address 0x%08X\n", psxRegs.pc);
@@ -1215,6 +1221,7 @@ static void process_gdb(void) {
gdbstub_sys_send(&msg);
must_continue = 0;
step = 0;
+ halt = 0;
}
if (!must_continue) {
@@ -1283,5 +1290,6 @@ R3000Acpu psxInt = {
intExecuteBlock,
intClear,
intShutdown,
- intSetPGXPMode
+ intSetPGXPMode,
+ intHalt
};
diff --git a/libpcsxcore/r3000a.h b/libpcsxcore/r3000a.h
index b0616256..1592a020 100644
--- a/libpcsxcore/r3000a.h
+++ b/libpcsxcore/r3000a.h
@@ -37,6 +37,7 @@ typedef struct {
void (*Clear)(u32 Addr, u32 Size);
void (*Shutdown)();
void (*SetPGXPMode)(u32 pgxpMode);
+ void (*Halt)(); /* stops CPU */
} R3000Acpu;
extern R3000Acpu *psxCpu;
@@ -291,11 +292,11 @@ static inline u32 *Read_ICache(u32 pc, boolean isolate) {
/**** R3000A Instruction Macros ****/
#define _PC_ psxRegs.pc // The next PC to be executed
-#define _fOp_(code) ((code >> 26) ) // The opcode part of the instruction register
-#define _fFunct_(code) ((code ) & 0x3F) // The funct part of the instruction register
-#define _fRd_(code) ((code >> 11) & 0x1F) // The rd part of the instruction register
-#define _fRt_(code) ((code >> 16) & 0x1F) // The rt part of the instruction register
-#define _fRs_(code) ((code >> 21) & 0x1F) // The rs part of the instruction register
+#define _fOp_(code) ((code >> 26) ) // The opcode part of the instruction register
+#define _fFunct_(code) ((code ) & 0x3F) // The funct part of the instruction register
+#define _fRd_(code) ((code >> 11) & 0x1F) // The rd part of the instruction register
+#define _fRt_(code) ((code >> 16) & 0x1F) // The rt part of the instruction register
+#define _fRs_(code) ((code >> 21) & 0x1F) // The rs part of the instruction register
#define _fSa_(code) ((code >> 6) & 0x1F) // The sa part of the instruction register
#define _fIm_(code) ((u16)code) // The immediate part of the instruction register
#define _fTarget_(code) (code & 0x03ffffff) // The target part of the instruction register