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[1/4] target-arm: Allow raw_read() and raw_write() to handle 64 bit regs

Message ID 1375206933-15053-2-git-send-email-peter.maydell@linaro.org
State Superseded
Headers show

Commit Message

Peter Maydell July 30, 2013, 5:55 p.m. UTC 
Extend the raw_read() and raw_write() helper accessors so that
they can be used for 64 bit registers as well as 32 bit registers.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target-arm/helper.c |   12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)
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Patch

diff --git a/target-arm/helper.c b/target-arm/helper.c
index 4968391..fc5f757 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -67,14 +67,22 @@  static int vfp_gdb_set_reg(CPUARMState *env, uint8_t *buf, int reg)
 static int raw_read(CPUARMState *env, const ARMCPRegInfo *ri,
                     uint64_t *value)
 {
-    *value = CPREG_FIELD32(env, ri);
+    if (ri->type & ARM_CP_64BIT) {
+        *value = CPREG_FIELD64(env, ri);
+    } else {
+        *value = CPREG_FIELD32(env, ri);
+    }
     return 0;
 }
 
 static int raw_write(CPUARMState *env, const ARMCPRegInfo *ri,
                      uint64_t value)
 {
-    CPREG_FIELD32(env, ri) = value;
+    if (ri->type & ARM_CP_64BIT) {
+        CPREG_FIELD64(env, ri) = value;
+    } else {
+        CPREG_FIELD32(env, ri) = value;
+    }
     return 0;
 }