aboutsummaryrefslogtreecommitdiff
path: root/target-arm/cpu64.c
diff options
context:
space:
mode:
authorAlexander Graf <agraf@suse.de>2013-12-17 19:42:31 +0000
committerPeter Maydell <peter.maydell@linaro.org>2013-12-17 19:42:31 +0000
commit5ce4f35781028ce1aee3341e6002f925fdc7aaf3 (patch)
treef4c8b7cf54a445a3c0ddfa7590d543656390d7db /target-arm/cpu64.c
parent40f860cd6c1aa0d3399e3f8158f20bdc5b2bfbfe (diff)
downloadqemu-arm-5ce4f35781028ce1aee3341e6002f925fdc7aaf3.tar.gz
target-arm: A64: add set_pc cpu method
When executing translation blocks we need to be able to recover our program counter. Add a method to set it for AArch64 CPUs. This covers user-mode, but for system mode emulation we will need to check if the CPU is in an AArch32 execution state. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-arm/cpu64.c')
-rw-r--r--target-arm/cpu64.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/target-arm/cpu64.c b/target-arm/cpu64.c
index 3e99c2140a..04ce87951c 100644
--- a/target-arm/cpu64.c
+++ b/target-arm/cpu64.c
@@ -68,11 +68,22 @@ static void aarch64_cpu_finalizefn(Object *obj)
{
}
+static void aarch64_cpu_set_pc(CPUState *cs, vaddr value)
+{
+ ARMCPU *cpu = ARM_CPU(cs);
+ /*
+ * TODO: this will need updating for system emulation,
+ * when the core may be in AArch32 mode.
+ */
+ cpu->env.pc = value;
+}
+
static void aarch64_cpu_class_init(ObjectClass *oc, void *data)
{
CPUClass *cc = CPU_CLASS(oc);
cc->dump_state = aarch64_cpu_dump_state;
+ cc->set_pc = aarch64_cpu_set_pc;
cc->gdb_read_register = aarch64_cpu_gdb_read_register;
cc->gdb_write_register = aarch64_cpu_gdb_write_register;
cc->gdb_num_core_regs = 34;