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aarch64: add cpsr bitfields to target description 

provide meta information for the cpsr so gdb can display the status
flags and not only a hexadecimal number

Change-Id: I9d3fb29153780adbea389d7e4175d5e19bddc256
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Reviewed-on: http://openocd.zylin.com/4460
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
This commit is contained in:
Matthias Welwarsky 2018-03-07 21:14:24 +01:00 committed by Matthias Welwarsky
parent 0808c6e8a3
commit 1756f393e4
1 changed files with 45 additions and 4 deletions
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49
src/target/armv8.c
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@ -1186,7 +1186,49 @@ static struct reg_data_type_union aarch64v_union[] = {
};
static struct reg_data_type aarch64v[] = {
{REG_TYPE_ARCH_DEFINED, "aarch64v", REG_TYPE_CLASS_UNION, {.reg_type_union = aarch64v_union} },
{REG_TYPE_ARCH_DEFINED, "aarch64v", REG_TYPE_CLASS_UNION,
{.reg_type_union = aarch64v_union} },
};
static struct reg_data_type_bitfield aarch64_cpsr_bits[] = {
{ 0, 0 , REG_TYPE_UINT8 },
{ 2, 3, REG_TYPE_UINT8 },
{ 4, 4 , REG_TYPE_UINT8 },
{ 6, 6 , REG_TYPE_BOOL },
{ 7, 7 , REG_TYPE_BOOL },
{ 8, 8 , REG_TYPE_BOOL },
{ 9, 9 , REG_TYPE_BOOL },
{ 20, 20, REG_TYPE_BOOL },
{ 21, 21, REG_TYPE_BOOL },
{ 28, 28, REG_TYPE_BOOL },
{ 29, 29, REG_TYPE_BOOL },
{ 30, 30, REG_TYPE_BOOL },
{ 31, 31, REG_TYPE_BOOL },
};
static struct reg_data_type_flags_field aarch64_cpsr_fields[] = {
{ "SP", aarch64_cpsr_bits + 0, aarch64_cpsr_fields + 1 },
{ "EL", aarch64_cpsr_bits + 1, aarch64_cpsr_fields + 2 },
{ "nRW", aarch64_cpsr_bits + 2, aarch64_cpsr_fields + 3 },
{ "F" , aarch64_cpsr_bits + 3, aarch64_cpsr_fields + 4 },
{ "I" , aarch64_cpsr_bits + 4, aarch64_cpsr_fields + 5 },
{ "A" , aarch64_cpsr_bits + 5, aarch64_cpsr_fields + 6 },
{ "D" , aarch64_cpsr_bits + 6, aarch64_cpsr_fields + 7 },
{ "IL" , aarch64_cpsr_bits + 7, aarch64_cpsr_fields + 8 },
{ "SS" , aarch64_cpsr_bits + 8, aarch64_cpsr_fields + 9 },
{ "V" , aarch64_cpsr_bits + 9, aarch64_cpsr_fields + 10 },
{ "C" , aarch64_cpsr_bits + 10, aarch64_cpsr_fields + 11 },
{ "Z" , aarch64_cpsr_bits + 11, aarch64_cpsr_fields + 12 },
{ "N" , aarch64_cpsr_bits + 12, NULL }
};
static struct reg_data_type_flags aarch64_cpsr_flags[] = {
{ 4, aarch64_cpsr_fields }
};
static struct reg_data_type aarch64_flags_cpsr[] = {
{REG_TYPE_ARCH_DEFINED, "cpsr_flags", REG_TYPE_CLASS_FLAGS,
{.reg_type_flags = aarch64_cpsr_flags} },
};
static const struct {
@ -1233,9 +1275,8 @@ static const struct {
{ ARMV8_SP, "sp", 64, ARM_MODE_ANY, REG_TYPE_DATA_PTR, "general", "org.gnu.gdb.aarch64.core", NULL},
{ ARMV8_PC, "pc", 64, ARM_MODE_ANY, REG_TYPE_CODE_PTR, "general", "org.gnu.gdb.aarch64.core", NULL},
{ ARMV8_xPSR, "CPSR", 32, ARM_MODE_ANY, REG_TYPE_UINT32, "general", "org.gnu.gdb.aarch64.core", NULL},
{ ARMV8_xPSR, "cpsr", 32, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED,
"general", "org.gnu.gdb.aarch64.core", aarch64_flags_cpsr},
{ ARMV8_V0, "v0", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v},
{ ARMV8_V1, "v1", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v},
{ ARMV8_V2, "v2", 128, ARM_MODE_ANY, REG_TYPE_ARCH_DEFINED, "simdfp", "org.gnu.gdb.aarch64.fpu", aarch64v},