From 1438eff302cbc6c85d477fd7181b8a9aeea2efd7 Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Fri, 15 Jan 2016 16:00:51 +0100 Subject: [PATCH] target-ppc: gdbstub: Add VSX support Add the XML and functions to get and set VSX registers. Signed-off-by: Anton Blanchard (fixed little-endian guests) Signed-off-by: Greg Kurz Signed-off-by: David Gibson --- configure | 6 ++--- gdb-xml/power-vsx.xml | 44 +++++++++++++++++++++++++++++++++++++ target-ppc/translate_init.c | 24 ++++++++++++++++++++ 3 files changed, 71 insertions(+), 3 deletions(-) create mode 100644 gdb-xml/power-vsx.xml diff --git a/configure b/configure index 3506e4420f..297bfc7997 100755 --- a/configure +++ b/configure @@ -5702,20 +5702,20 @@ case "$target_name" in ppc64) TARGET_BASE_ARCH=ppc TARGET_ABI_DIR=ppc - gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml" + gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml" ;; ppc64le) TARGET_ARCH=ppc64 TARGET_BASE_ARCH=ppc TARGET_ABI_DIR=ppc - gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml" + gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml" ;; ppc64abi32) TARGET_ARCH=ppc64 TARGET_BASE_ARCH=ppc TARGET_ABI_DIR=ppc echo "TARGET_ABI32=y" >> $config_target_mak - gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml" + gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml" ;; sh4|sh4eb) TARGET_ARCH=sh4 diff --git a/gdb-xml/power-vsx.xml b/gdb-xml/power-vsx.xml new file mode 100644 index 0000000000..fd290e970b --- /dev/null +++ b/gdb-xml/power-vsx.xml @@ -0,0 +1,44 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c index fce68f389b..4d71a5d0c6 100644 --- a/target-ppc/translate_init.c +++ b/target-ppc/translate_init.c @@ -8896,6 +8896,26 @@ static int gdb_set_spe_reg(CPUPPCState *env, uint8_t *mem_buf, int n) return 0; } +static int gdb_get_vsx_reg(CPUPPCState *env, uint8_t *mem_buf, int n) +{ + if (n < 32) { + stq_p(mem_buf, env->vsr[n]); + ppc_maybe_bswap_register(env, mem_buf, 8); + return 8; + } + return 0; +} + +static int gdb_set_vsx_reg(CPUPPCState *env, uint8_t *mem_buf, int n) +{ + if (n < 32) { + ppc_maybe_bswap_register(env, mem_buf, 8); + env->vsr[n] = ldq_p(mem_buf); + return 8; + } + return 0; +} + static int ppc_fixup_cpu(PowerPCCPU *cpu) { CPUPPCState *env = &cpu->env; @@ -9001,6 +9021,10 @@ static void ppc_cpu_realizefn(DeviceState *dev, Error **errp) gdb_register_coprocessor(cs, gdb_get_spe_reg, gdb_set_spe_reg, 34, "power-spe.xml", 0); } + if (pcc->insns_flags2 & PPC2_VSX) { + gdb_register_coprocessor(cs, gdb_get_vsx_reg, gdb_set_vsx_reg, + 32, "power-vsx.xml", 0); + } qemu_init_vcpu(cs);