target-unicore32: Implement CPUClass::set_pc()

This adds support for GDB's c addr (Continue) and s addr (Single Step).

Prepares for dropping cpu_pc_from_tb().

Signed-off-by: Andreas Färber <afaerber@suse.de>

target-unicore32/cpu.c

diff --git a/target-unicore32/cpu.c b/target-unicore32/cpu.c
index 6572f01..79f2292 100644
--- a/target-unicore32/cpu.c
+++ b/target-unicore32/cpu.c
@@ -16,6 +16,13 @@
 #include "qemu-common.h"
 #include "migration/vmstate.h"
 
+static void uc32_cpu_set_pc(CPUState *cs, vaddr value)
+{
+    UniCore32CPU *cpu = UNICORE32_CPU(cs);
+
+    cpu->env.regs[31] = value;
+}
+
 static inline void set_feature(CPUUniCore32State *env, int feature)
 {
     env->features |= feature;
@@ -131,6 +138,7 @@
     cc->class_by_name = uc32_cpu_class_by_name;
     cc->do_interrupt = uc32_cpu_do_interrupt;
     cc->dump_state = uc32_cpu_dump_state;
+    cc->set_pc = uc32_cpu_set_pc;
     dc->vmsd = &vmstate_uc32_cpu;
 }