[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-ppc] [PULL 22/40] target-ppc: gdbstub: introduce avr_need_swap()
From: |
David Gibson |
Subject: |
[Qemu-ppc] [PULL 22/40] target-ppc: gdbstub: introduce avr_need_swap() |
Date: |
Mon, 1 Feb 2016 13:30:50 +1100 |
From: Greg Kurz <address@hidden>
This helper will be used to support Altivec registers in little-endian guests.
This patch does not change functionnality.
Note: I had to put the helper some lines away from the gdb_*_avr_reg()
routines to get a more readable patch.
Signed-off-by: Greg Kurz <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
target-ppc/translate_init.c | 37 +++++++++++++++++++++++--------------
1 file changed, 23 insertions(+), 14 deletions(-)
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 031c71e..0d6d115 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -8750,6 +8750,15 @@ static void dump_ppc_insns (CPUPPCState *env)
}
#endif
+static bool avr_need_swap(CPUPPCState *env)
+{
+#ifdef HOST_WORDS_BIGENDIAN
+ return false;
+#else
+ return true;
+#endif
+}
+
static int gdb_get_float_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
{
if (n < 32) {
@@ -8783,13 +8792,13 @@ static int gdb_set_float_reg(CPUPPCState *env, uint8_t
*mem_buf, int n)
static int gdb_get_avr_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
{
if (n < 32) {
-#ifdef HOST_WORDS_BIGENDIAN
- stq_p(mem_buf, env->avr[n].u64[0]);
- stq_p(mem_buf+8, env->avr[n].u64[1]);
-#else
- stq_p(mem_buf, env->avr[n].u64[1]);
- stq_p(mem_buf+8, env->avr[n].u64[0]);
-#endif
+ if (!avr_need_swap(env)) {
+ stq_p(mem_buf, env->avr[n].u64[0]);
+ stq_p(mem_buf+8, env->avr[n].u64[1]);
+ } else {
+ stq_p(mem_buf, env->avr[n].u64[1]);
+ stq_p(mem_buf+8, env->avr[n].u64[0]);
+ }
return 16;
}
if (n == 32) {
@@ -8806,13 +8815,13 @@ static int gdb_get_avr_reg(CPUPPCState *env, uint8_t
*mem_buf, int n)
static int gdb_set_avr_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
{
if (n < 32) {
-#ifdef HOST_WORDS_BIGENDIAN
- env->avr[n].u64[0] = ldq_p(mem_buf);
- env->avr[n].u64[1] = ldq_p(mem_buf+8);
-#else
- env->avr[n].u64[1] = ldq_p(mem_buf);
- env->avr[n].u64[0] = ldq_p(mem_buf+8);
-#endif
+ if (!avr_need_swap(env)) {
+ env->avr[n].u64[0] = ldq_p(mem_buf);
+ env->avr[n].u64[1] = ldq_p(mem_buf+8);
+ } else {
+ env->avr[n].u64[1] = ldq_p(mem_buf);
+ env->avr[n].u64[0] = ldq_p(mem_buf+8);
+ }
return 16;
}
if (n == 32) {
--
2.5.0
- [Qemu-ppc] [PULL 00/40] ppc-for-2.6 queue 20160201, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 06/40] cuda: add missing fields to VMStateDescription, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 01/40] target-ppc: Use sensible POWER8/POWER8E versions, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 07/40] spapr: Small fixes to rtas_ibm_get_system_parameter, remove rtas_st_buffer, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 29/40] target-ppc: Remove unused kvmppc_read_segment_page_sizes() stub, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 17/40] pseries: Clean up error reporting in ppc_spapr_init(), David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 03/40] macio: use the existing IDEDMA aiocb to hold the active DMA aiocb, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 15/40] pseries: Clean up error handling in spapr_rtas_register(), David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 22/40] target-ppc: gdbstub: introduce avr_need_swap(),
David Gibson <=
- [Qemu-ppc] [PULL 23/40] target-ppc: gdbstub: fix altivec registers for little-endian guests, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 27/40] cuda.c: return error for unknown commands, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 11/40] ppc: Clean up error handling in ppc_set_compat(), David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 25/40] target-ppc: gdbstub: Add VSX support, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 24/40] target-ppc: gdbstub: fix spe registers for little-endian guests, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 28/40] uninorth.c: add support for UniNorth kMacRISCPCIAddressSelect (0x48) register, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 37/40] target-ppc: Helper to determine page size information from hpte alone, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 39/40] target-ppc: Make every FPSCR_ macro have a corresponding FP_ macro, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 31/40] target-ppc: Rework ppc_store_slb, David Gibson, 2016/01/31
- [Qemu-ppc] [PULL 35/40] target-ppc: Split 44x tlbiva from ppc_tlb_invalidate_one(), David Gibson, 2016/01/31