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Blame 0017-target-ppc-gdbstub-fix-spe-registers-for-little-endi.patch

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From: Greg Kurz <gkurz@linux.vnet.ibm.com>
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Date: Fri, 15 Jan 2016 16:00:44 +0100
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Subject: [PATCH] target-ppc: gdbstub: fix spe registers for little-endian
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 guests
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Let's reuse the ppc_maybe_bswap_register() helper, like we already do
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with the general registers.
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Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
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Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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(cherry picked from commit 95f5b540abd964ac3bc9c63434d07681a5a175eb)
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---
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 target-ppc/translate_init.c | 11 ++++++++++-
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 1 file changed, 10 insertions(+), 1 deletion(-)
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diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
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index 80d53e4..5ea168c 100644
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--- a/target-ppc/translate_init.c
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+++ b/target-ppc/translate_init.c
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@@ -8849,6 +8849,7 @@ static int gdb_get_spe_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
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     if (n < 32) {
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 #if defined(TARGET_PPC64)
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         stl_p(mem_buf, env->gpr[n] >> 32);
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+        ppc_maybe_bswap_register(env, mem_buf, 4);
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 #else
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         stl_p(mem_buf, env->gprh[n]);
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 #endif
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@@ -8856,10 +8857,12 @@ static int gdb_get_spe_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
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     }
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     if (n == 32) {
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         stq_p(mem_buf, env->spe_acc);
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+        ppc_maybe_bswap_register(env, mem_buf, 8);
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         return 8;
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     }
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     if (n == 33) {
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         stl_p(mem_buf, env->spe_fscr);
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+        ppc_maybe_bswap_register(env, mem_buf, 4);
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         return 4;
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     }
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     return 0;
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@@ -8870,7 +8873,11 @@ static int gdb_set_spe_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
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     if (n < 32) {
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 #if defined(TARGET_PPC64)
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         target_ulong lo = (uint32_t)env->gpr[n];
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-        target_ulong hi = (target_ulong)ldl_p(mem_buf) << 32;
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+        target_ulong hi;
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+
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+        ppc_maybe_bswap_register(env, mem_buf, 4);
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+
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+        hi = (target_ulong)ldl_p(mem_buf) << 32;
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         env->gpr[n] = lo | hi;
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 #else
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         env->gprh[n] = ldl_p(mem_buf);
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@@ -8878,10 +8885,12 @@ static int gdb_set_spe_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
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         return 4;
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     }
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     if (n == 32) {
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+        ppc_maybe_bswap_register(env, mem_buf, 8);
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         env->spe_acc = ldq_p(mem_buf);
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         return 8;
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     }
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     if (n == 33) {
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+        ppc_maybe_bswap_register(env, mem_buf, 4);
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         env->spe_fscr = ldl_p(mem_buf);
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         return 4;
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     }