From 17d996e1f1de8057b3bb88b753e65735a6d8f191 Mon Sep 17 00:00:00 2001
From: blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sat, 7 Jul 2007 20:53:22 +0000
Subject: [PATCH]  Report normalised CWP values to userland and GDB, not
 internal representation

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3052 c046a42c-6fe2-441c-8c8c-71466251a162
---
 gdbstub.c                | 14 ++++++++++++--
 target-sparc/cpu.h       | 10 ++++++++--
 target-sparc/op.c        |  4 ++--
 target-sparc/op_helper.c |  6 +++---
 4 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/gdbstub.c b/gdbstub.c
index 2ec2f33f8d..06cf30200c 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -383,7 +383,10 @@ static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
     }
     registers[64] = tswapl(env->pc);
     registers[65] = tswapl(env->npc);
-    registers[66] = tswapl(env->tstate[env->tl]);
+    registers[66] = tswapl(((uint64_t)GET_CCR(env) << 32) |
+                           ((env->asi & 0xff) << 24) |
+                           ((env->pstate & 0xfff) << 8) |
+                           GET_CWP64(env));
     registers[67] = tswapl(env->fsr);
     registers[68] = tswapl(env->fprs);
     registers[69] = tswapl(env->y);
@@ -427,7 +430,14 @@ static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size)
     }
     env->pc = tswapl(registers[64]);
     env->npc = tswapl(registers[65]);
-    env->tstate[env->tl] = tswapl(registers[66]);
+    {
+        uint64_t tmp = tswapl(registers[66]);
+
+        PUT_CCR(env, tmp >> 32);
+        env->asi = (tmp >> 24) & 0xff;
+        env->pstate = (tmp >> 8) & 0xfff;
+        PUT_CWP64(env, tmp & 0xff);
+    }
     env->fsr = tswapl(registers[67]);
     env->fprs = tswapl(registers[68]);
     env->y = tswapl(registers[69]);
diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h
index a3d762f7f9..06b5865e22 100644
--- a/target-sparc/cpu.h
+++ b/target-sparc/cpu.h
@@ -288,11 +288,17 @@ void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
     } while (0)
 
 #ifdef TARGET_SPARC64
-#define GET_CCR(env) ((env->xcc << 4) | (env->psr & PSR_ICC))
+#define GET_CCR(env) (((env->xcc >> 20) << 4) | ((env->psr & PSR_ICC) >> 20))
 #define PUT_CCR(env, val) do { int _tmp = val;				\
-	env->xcc = _tmp >> 4;						\
+	env->xcc = (_tmp >> 4) << 20;						\
 	env->psr = (_tmp & 0xf) << 20;					\
     } while (0)
+#define GET_CWP64(env) (NWINDOWS - 1 - (env)->cwp)
+#define PUT_CWP64(env, val)  do {                                       \
+        env->cwp = NWINDOWS - 1 - ((val) & 0xff);                       \
+        cpu_set_cwp(env, env->cwp);                                     \
+    } while(0)
+
 #endif
 
 int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
diff --git a/target-sparc/op.c b/target-sparc/op.c
index c0aee8f4ac..4ab0667797 100644
--- a/target-sparc/op.c
+++ b/target-sparc/op.c
@@ -1184,12 +1184,12 @@ void OPPROTO op_wrpstate(void)
 // order.
 void OPPROTO op_rdcwp(void)
 {
-    T0 = NWINDOWS - 1 - env->cwp;
+    T0 = GET_CWP64(env);
 }
 
 void OPPROTO op_wrcwp(void)
 {
-    env->cwp = NWINDOWS - 1 - T0;
+    PUT_CWP64(env, T0);
 }
 
 /* XXX: use another pointer for %iN registers to avoid slow wrapping
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index 11134cf124..cd9372716f 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -871,7 +871,7 @@ void do_done(void)
     PUT_CCR(env, env->tstate[env->tl] >> 32);
     env->asi = (env->tstate[env->tl] >> 24) & 0xff;
     env->pstate = (env->tstate[env->tl] >> 8) & 0xfff;
-    set_cwp(env->tstate[env->tl] & 0xff);
+    PUT_CWP64(env, env->tstate[env->tl] & 0xff);
 }
 
 void do_retry(void)
@@ -882,7 +882,7 @@ void do_retry(void)
     PUT_CCR(env, env->tstate[env->tl] >> 32);
     env->asi = (env->tstate[env->tl] >> 24) & 0xff;
     env->pstate = (env->tstate[env->tl] >> 8) & 0xfff;
-    set_cwp(env->tstate[env->tl] & 0xff);
+    PUT_CWP64(env, env->tstate[env->tl] & 0xff);
 }
 #endif
 
@@ -952,7 +952,7 @@ void do_interrupt(int intno)
     }
 #endif
     env->tstate[env->tl] = ((uint64_t)GET_CCR(env) << 32) | ((env->asi & 0xff) << 24) |
-	((env->pstate & 0xfff) << 8) | (env->cwp & 0xff);
+	((env->pstate & 0xfff) << 8) | GET_CWP64(env);
     env->tpc[env->tl] = env->pc;
     env->tnpc[env->tl] = env->npc;
     env->tt[env->tl] = intno;