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[Qemu-devel] [6425] target-ppc: Add SPE register read/write using XML
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [6425] target-ppc: Add SPE register read/write using XML |
Date: |
Sat, 24 Jan 2009 15:08:17 +0000 |
Revision: 6425
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6425
Author: aurel32
Date: 2009-01-24 15:08:17 +0000 (Sat, 24 Jan 2009)
Log Message:
-----------
target-ppc: Add SPE register read/write using XML
Don't read/write SPEFSCR until we figure out what to do about exceptions.
Signed-off-by: Nathan Froyd <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
Modified Paths:
--------------
trunk/target-ppc/translate_init.c
Modified: trunk/target-ppc/translate_init.c
===================================================================
--- trunk/target-ppc/translate_init.c 2009-01-24 15:08:09 UTC (rev 6424)
+++ trunk/target-ppc/translate_init.c 2009-01-24 15:08:17 UTC (rev 6425)
@@ -9345,6 +9345,51 @@
return 0;
}
+static int gdb_get_spe_reg(CPUState *env, uint8_t *mem_buf, int n)
+{
+ if (n < 32) {
+#if defined(TARGET_PPC64)
+ stl_p(mem_buf, env->gpr[n] >> 32);
+#else
+ stl_p(mem_buf, env->gprh[n]);
+#endif
+ return 4;
+ }
+ if (n == 33) {
+ stq_p(mem_buf, env->spe_acc);
+ return 8;
+ }
+ if (n == 34) {
+ /* SPEFSCR not implemented */
+ memset(mem_buf, 0, 4);
+ return 4;
+ }
+ return 0;
+}
+
+static int gdb_set_spe_reg(CPUState *env, uint8_t *mem_buf, int n)
+{
+ if (n < 32) {
+#if defined(TARGET_PPC64)
+ target_ulong lo = (uint32_t)env->gpr[n];
+ target_ulong hi = (target_ulong)ldl_p(mem_buf) << 32;
+ env->gpr[n] = lo | hi;
+#else
+ env->gprh[n] = ldl_p(mem_buf);
+#endif
+ return 4;
+ }
+ if (n == 33) {
+ env->spe_acc = ldq_p(mem_buf);
+ return 8;
+ }
+ if (n == 34) {
+ /* SPEFSCR not implemented */
+ return 4;
+ }
+ return 0;
+}
+
int cpu_ppc_register_internal (CPUPPCState *env, const ppc_def_t *def)
{
env->msr_mask = def->msr_mask;
@@ -9366,6 +9411,11 @@
gdb_register_coprocessor(env, gdb_get_avr_reg, gdb_set_avr_reg,
34, "power-altivec.xml", 0);
}
+ if ((def->insns_flags & PPC_SPE) | (def->insns_flags & PPC_SPEFPU)) {
+ gdb_register_coprocessor(env, gdb_get_spe_reg, gdb_set_spe_reg,
+ 34, "power-spe.xml", 0);
+ }
+
#if defined(PPC_DUMP_CPU)
{
const char *mmu_model, *excp_model, *bus_model;
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