From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6423] target-ppc: Add float register read/write using XML
Date: Sat, 24 Jan 2009 15:08:01 +0000 [thread overview]
Message-ID: <E1LQk77-0000Tn-7X@cvs.savannah.gnu.org> (raw)
Revision: 6423
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6423
Author: aurel32
Date: 2009-01-24 15:08:00 +0000 (Sat, 24 Jan 2009)
Log Message:
-----------
target-ppc: Add float register read/write using XML
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Modified Paths:
--------------
trunk/target-ppc/translate_init.c
Modified: trunk/target-ppc/translate_init.c
===================================================================
--- trunk/target-ppc/translate_init.c 2009-01-24 15:07:50 UTC (rev 6422)
+++ trunk/target-ppc/translate_init.c 2009-01-24 15:08:00 UTC (rev 6423)
@@ -9272,6 +9272,33 @@
}
#endif
+static int gdb_get_float_reg(CPUState *env, uint8_t *mem_buf, int n)
+{
+ if (n < 32) {
+ stfq_p(mem_buf, env->fpr[n]);
+ return 8;
+ }
+ if (n == 32) {
+ /* FPSCR not implemented */
+ memset(mem_buf, 0, 4);
+ return 4;
+ }
+ return 0;
+}
+
+static int gdb_set_float_reg(CPUState *env, uint8_t *mem_buf, int n)
+{
+ if (n < 32) {
+ env->fpr[n] = ldfq_p(mem_buf);
+ return 8;
+ }
+ if (n == 32) {
+ /* FPSCR not implemented */
+ return 4;
+ }
+ return 0;
+}
+
int cpu_ppc_register_internal (CPUPPCState *env, const ppc_def_t *def)
{
env->msr_mask = def->msr_mask;
@@ -9284,6 +9311,11 @@
if (create_ppc_opcodes(env, def) < 0)
return -1;
init_ppc_proc(env, def);
+
+ if (def->insns_flags & PPC_FLOAT) {
+ gdb_register_coprocessor(env, gdb_get_float_reg, gdb_set_float_reg,
+ 33, "power-fpu.xml", 0);
+ }
#if defined(PPC_DUMP_CPU)
{
const char *mmu_model, *excp_model, *bus_model;
reply other threads:[~2009-01-24 15:08 UTC|newest]
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