[HPPAQEMU-CVS] hppaqemu gdbstub.c,1.4,1.5

[Stuart B. <zu...@us...>]

Update of /cvsroot/hppaqemu/hppaqemu
In directory sc8-pr-cvs17.sourceforge.net:/tmp/cvs-serv27814

Modified Files:
	gdbstub.c 
Log Message:
Add support for GDB.  (PSW, General registers and IAOQ/IASQ only.)


Index: gdbstub.c
===================================================================
RCS file: /cvsroot/hppaqemu/hppaqemu/gdbstub.c,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -d -r1.4 -r1.5
--- gdbstub.c	18 Feb 2008 05:24:38 -0000	1.4
+++ gdbstub.c	19 Feb 2008 12:14:30 -0000	1.5
@@ -856,6 +856,57 @@
   for (i = 0; i < 16; i++) LOAD(env->regs[i]);
   LOAD (env->pc);
 }
+#elif defined (TARGET_HPPA)
+static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
+{
+    target_ulong *registers = (target_ulong *)mem_buf;
+    int i;
+
+    registers[0] = tswapl(env->psw);
+    /* gr0 is hardwired to zero */
+    /* fill in gr1..gr32 */
+    for(i = 0; i < 31; i++) {
+        registers[i + 1] = tswapl(env->gr[i]);
+    }
+    /* registers[32] = sar; */
+    registers[32] = 0;
+    registers[33] = tswapl(env->iaoq[0]);
+    registers[34] = tswap32(env->iasq[0]);
+    registers[35] = tswapl(env->iaoq[1]);
+    registers[36] = tswap32(env->iasq[1]);
+    /* ... */
+#ifndef TARGET_HPPA64
+    for(i = 37; i < 128; i++) {
+        registers[i] = 0;
+    }
+    return 128 * sizeof(target_ulong);
+#else
+    for(i = 37; i < 96; i++) {
+        registers[i] = 0;
+    }
+    return 96 * sizeof(target_ulong);
+#endif
+}
+
+static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size)
+{
+    target_ulong *registers = (target_ulong *)mem_buf;
+    int i;
+
+    env->psw = tswapl(registers[0]);
+    /* gr0 is hardwired to zero */
+    /* fill in gr1..gr32 */
+    for(i = 0; i < 31; i++) {
+        env->gr[i] = tswapl(registers[i + 1]);
+    }
+    /* sar = registers[32]; */
+    env->iaoq[0] = tswapl(registers[33]);
+    env->iasq[0] = tswap32(registers[34]);
+    env->iaoq[1] = tswapl(registers[35]);
+    env->iasq[1] = tswap32(registers[36]);
+    /* ... */
+}
+
 #else
 static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
 {
@@ -906,6 +957,9 @@
             env->PC[env->current_tc] = addr;
 #elif defined (TARGET_CRIS)
             env->pc = addr;
+#elif defined (TARGET_HPPA)
+            env->iaoq[0] = addr;
+            env->iaoq[1] = addr + 4;
 #endif
         }
 #ifdef CONFIG_USER_ONLY
@@ -932,6 +986,9 @@
             env->PC[env->current_tc] = addr;
 #elif defined (TARGET_CRIS)
             env->pc = addr;
+#elif defined (TARGET_HPPA)
+            env->iaoq[0] = addr;
+            env->iaoq[1] = addr + 4;
 #endif
         }
         cpu_single_step(env, 1);