target/hppa: Define the rest of the PSW

We don't actually do anything with most of the bits yet,
but at least they have names and we have somewhere to
store them.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

2 files changed, 86 insertions, 14 deletions

diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h
index 3d170c3..d703e99 100644
--- a/target/hppa/cpu.h
+++ b/target/hppa/cpu.h
@@ -46,6 +46,52 @@
 #define EXCP_SIGILL      4
 #define EXCP_SIGFPE      5
 
+/* Taken from Linux kernel: arch/parisc/include/asm/psw.h */
+#define PSW_I            0x00000001
+#define PSW_D            0x00000002
+#define PSW_P            0x00000004
+#define PSW_Q            0x00000008
+#define PSW_R            0x00000010
+#define PSW_F            0x00000020
+#define PSW_G            0x00000040 /* PA1.x only */
+#define PSW_O            0x00000080 /* PA2.0 only */
+#define PSW_CB           0x0000ff00
+#define PSW_M            0x00010000
+#define PSW_V            0x00020000
+#define PSW_C            0x00040000
+#define PSW_B            0x00080000
+#define PSW_X            0x00100000
+#define PSW_N            0x00200000
+#define PSW_L            0x00400000
+#define PSW_H            0x00800000
+#define PSW_T            0x01000000
+#define PSW_S            0x02000000
+#define PSW_E            0x04000000
+#ifdef TARGET_HPPA64
+#define PSW_W            0x08000000 /* PA2.0 only */
+#else
+#define PSW_W            0
+#endif
+#define PSW_Z            0x40000000 /* PA1.x only */
+#define PSW_Y            0x80000000 /* PA1.x only */
+
+#define PSW_SM (PSW_W | PSW_E | PSW_O | PSW_G | PSW_F \
+               | PSW_R | PSW_Q | PSW_P | PSW_D | PSW_I)
+
+/* ssm/rsm instructions number PSW_W and PSW_E differently */
+#define PSW_SM_I         PSW_I      /* Enable External Interrupts */
+#define PSW_SM_D         PSW_D
+#define PSW_SM_P         PSW_P
+#define PSW_SM_Q         PSW_Q      /* Enable Interrupt State Collection */
+#define PSW_SM_R         PSW_R      /* Enable Recover Counter Trap */
+#ifdef TARGET_HPPA64
+#define PSW_SM_E         0x100
+#define PSW_SM_W         0x200      /* PA2.0 only : Enable Wide Mode */
+#else
+#define PSW_SM_E         0
+#define PSW_SM_W         0
+#endif
+
 typedef struct CPUHPPAState CPUHPPAState;
 
 struct CPUHPPAState {
@@ -56,6 +102,7 @@ struct CPUHPPAState {
     target_ulong cr26;
     target_ulong cr27;
 
+    target_long  psw;        /* All psw bits except the following:  */
     target_ulong psw_n;      /* boolean */
     target_long  psw_v;      /* in most significant bit */
 
diff --git a/target/hppa/helper.c b/target/hppa/helper.c
index d6d6f06..4231ef3 100644
--- a/target/hppa/helper.c
+++ b/target/hppa/helper.c
@@ -39,10 +39,11 @@ target_ulong cpu_hppa_get_psw(CPUHPPAState *env)
     /* .........................bcdefgh */
     psw |= (psw >> 12) & 0xf;
     psw |= env->psw_cb_msb << 7;
-    psw <<= 8;
+    psw = (psw & 0xff) << 8;
 
-    psw |= env->psw_n << 21;
-    psw |= (env->psw_v < 0) << 17;
+    psw |= env->psw_n * PSW_N;
+    psw |= (env->psw_v < 0) * PSW_V;
+    psw |= env->psw;
 
     return psw;
 }
@@ -51,8 +52,9 @@ void cpu_hppa_put_psw(CPUHPPAState *env, target_ulong psw)
 {
     target_ulong cb = 0;
 
-    env->psw_n = (psw >> 21) & 1;
-    env->psw_v = -((psw >> 17) & 1);
+    env->psw = psw & ~(PSW_N | PSW_V | PSW_CB);
+    env->psw_n = (psw / PSW_N) & 1;
+    env->psw_v = -((psw / PSW_V) & 1);
     env->psw_cb_msb = (psw >> 15) & 1;
 
     cb |= ((psw >> 14) & 1) << 28;
@@ -106,22 +108,45 @@ void hppa_cpu_dump_state(CPUState *cs, FILE *f,
 {
     HPPACPU *cpu = HPPA_CPU(cs);
     CPUHPPAState *env = &cpu->env;
+    target_ulong psw = cpu_hppa_get_psw(env);
+    target_ulong psw_cb;
+    char psw_c[20];
     int i;
 
-    cpu_fprintf(f, "IA_F " TARGET_FMT_lx
-                   " IA_B " TARGET_FMT_lx
-                   " PSW  " TARGET_FMT_lx
-                   " [N:" TARGET_FMT_ld " V:%d"
-                   " CB:" TARGET_FMT_lx "]\n              ",
-                env->iaoq_f, env->iaoq_b, cpu_hppa_get_psw(env),
-                env->psw_n, env->psw_v < 0,
-                ((env->psw_cb >> 4) & 0x01111111) | (env->psw_cb_msb << 28));
-    for (i = 1; i < 32; i++) {
+    cpu_fprintf(f, "IA_F " TARGET_FMT_lx " IA_B " TARGET_FMT_lx "\n",
+                env->iaoq_f, env->iaoq_b);
+
+    psw_c[0]  = (psw & PSW_W ? 'W' : '-');
+    psw_c[1]  = (psw & PSW_E ? 'E' : '-');
+    psw_c[2]  = (psw & PSW_S ? 'S' : '-');
+    psw_c[3]  = (psw & PSW_T ? 'T' : '-');
+    psw_c[4]  = (psw & PSW_H ? 'H' : '-');
+    psw_c[5]  = (psw & PSW_L ? 'L' : '-');
+    psw_c[6]  = (psw & PSW_N ? 'N' : '-');
+    psw_c[7]  = (psw & PSW_X ? 'X' : '-');
+    psw_c[8]  = (psw & PSW_B ? 'B' : '-');
+    psw_c[9]  = (psw & PSW_C ? 'C' : '-');
+    psw_c[10] = (psw & PSW_V ? 'V' : '-');
+    psw_c[11] = (psw & PSW_M ? 'M' : '-');
+    psw_c[12] = (psw & PSW_F ? 'F' : '-');
+    psw_c[13] = (psw & PSW_R ? 'R' : '-');
+    psw_c[14] = (psw & PSW_Q ? 'Q' : '-');
+    psw_c[15] = (psw & PSW_P ? 'P' : '-');
+    psw_c[16] = (psw & PSW_D ? 'D' : '-');
+    psw_c[17] = (psw & PSW_I ? 'I' : '-');
+    psw_c[18] = '\0';
+    psw_cb = ((env->psw_cb >> 4) & 0x01111111) | (env->psw_cb_msb << 28);
+
+    cpu_fprintf(f, "PSW  " TARGET_FMT_lx " CB   " TARGET_FMT_lx " %s\n",
+                psw, psw_cb, psw_c);
+
+    for (i = 0; i < 32; i++) {
         cpu_fprintf(f, "GR%02d " TARGET_FMT_lx " ", i, env->gr[i]);
         if ((i % 4) == 3) {
             cpu_fprintf(f, "\n");
         }
     }
+    cpu_fprintf(f, "\n");
 
     /* ??? FR */
 }