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-rw-r--r--target-s390x/cpu-qom.h1
-rw-r--r--target-s390x/cpu.c4
-rw-r--r--target-s390x/cpu.h40
-rw-r--r--target-s390x/gdbstub.c91
4 files changed, 76 insertions, 60 deletions
diff --git a/target-s390x/cpu-qom.h b/target-s390x/cpu-qom.h
index f9c96d1..80dd741 100644
--- a/target-s390x/cpu-qom.h
+++ b/target-s390x/cpu-qom.h
@@ -89,5 +89,6 @@ hwaddr s390_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
hwaddr s390_cpu_get_phys_addr_debug(CPUState *cpu, vaddr addr);
int s390_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
int s390_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
+void s390_cpu_gdb_init(CPUState *cs);
#endif
diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c
index 505a2fa..97a9216 100644
--- a/target-s390x/cpu.c
+++ b/target-s390x/cpu.c
@@ -174,6 +174,7 @@ static void s390_cpu_realizefn(DeviceState *dev, Error **errp)
CPUState *cs = CPU(dev);
S390CPUClass *scc = S390_CPU_GET_CLASS(dev);
+ s390_cpu_gdb_init(cs);
qemu_init_vcpu(cs);
#if !defined(CONFIG_USER_ONLY)
run_on_cpu(cs, s390_do_cpu_full_reset, cs);
@@ -263,7 +264,8 @@ static void s390_cpu_class_init(ObjectClass *oc, void *data)
cc->write_elf64_qemunote = s390_cpu_write_elf64_qemunote;
#endif
dc->vmsd = &vmstate_s390_cpu;
- cc->gdb_num_core_regs = S390_NUM_REGS;
+ cc->gdb_num_core_regs = S390_NUM_CORE_REGS;
+ cc->gdb_core_xml_file = "s390x-core64.xml";
}
static const TypeInfo s390_cpu_type_info = {
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index 772d513..62940c3 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -566,44 +566,8 @@ void s390_cpu_list(FILE *f, fprintf_function cpu_fprintf);
#define S390_R13_REGNUM 15
#define S390_R14_REGNUM 16
#define S390_R15_REGNUM 17
-/* Access Registers. */
-#define S390_A0_REGNUM 18
-#define S390_A1_REGNUM 19
-#define S390_A2_REGNUM 20
-#define S390_A3_REGNUM 21
-#define S390_A4_REGNUM 22
-#define S390_A5_REGNUM 23
-#define S390_A6_REGNUM 24
-#define S390_A7_REGNUM 25
-#define S390_A8_REGNUM 26
-#define S390_A9_REGNUM 27
-#define S390_A10_REGNUM 28
-#define S390_A11_REGNUM 29
-#define S390_A12_REGNUM 30
-#define S390_A13_REGNUM 31
-#define S390_A14_REGNUM 32
-#define S390_A15_REGNUM 33
-/* Floating Point Control Word. */
-#define S390_FPC_REGNUM 34
-/* Floating Point Registers. */
-#define S390_F0_REGNUM 35
-#define S390_F1_REGNUM 36
-#define S390_F2_REGNUM 37
-#define S390_F3_REGNUM 38
-#define S390_F4_REGNUM 39
-#define S390_F5_REGNUM 40
-#define S390_F6_REGNUM 41
-#define S390_F7_REGNUM 42
-#define S390_F8_REGNUM 43
-#define S390_F9_REGNUM 44
-#define S390_F10_REGNUM 45
-#define S390_F11_REGNUM 46
-#define S390_F12_REGNUM 47
-#define S390_F13_REGNUM 48
-#define S390_F14_REGNUM 49
-#define S390_F15_REGNUM 50
-/* Total. */
-#define S390_NUM_REGS 51
+/* Total Core Registers. */
+#define S390_NUM_CORE_REGS 18
/* CC optimization */
diff --git a/target-s390x/gdbstub.c b/target-s390x/gdbstub.c
index 8d55006..cda8053 100644
--- a/target-s390x/gdbstub.c
+++ b/target-s390x/gdbstub.c
@@ -42,14 +42,7 @@ int s390_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
return gdb_get_regl(mem_buf, env->psw.addr);
case S390_R0_REGNUM ... S390_R15_REGNUM:
return gdb_get_regl(mem_buf, env->regs[n-S390_R0_REGNUM]);
- case S390_A0_REGNUM ... S390_A15_REGNUM:
- return gdb_get_reg32(mem_buf, env->aregs[n-S390_A0_REGNUM]);
- case S390_FPC_REGNUM:
- return gdb_get_reg32(mem_buf, env->fpc);
- case S390_F0_REGNUM ... S390_F15_REGNUM:
- return gdb_get_reg64(mem_buf, env->fregs[n-S390_F0_REGNUM].ll);
}
-
return 0;
}
@@ -57,11 +50,7 @@ int s390_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
{
S390CPU *cpu = S390_CPU(cs);
CPUS390XState *env = &cpu->env;
- target_ulong tmpl;
- uint32_t tmp32;
- int r = 8;
- tmpl = ldtul_p(mem_buf);
- tmp32 = ldl_p(mem_buf);
+ target_ulong tmpl = ldtul_p(mem_buf);
switch (n) {
case S390_PSWM_REGNUM:
@@ -76,19 +65,79 @@ int s390_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
case S390_R0_REGNUM ... S390_R15_REGNUM:
env->regs[n-S390_R0_REGNUM] = tmpl;
break;
+ default:
+ return 0;
+ }
+ return 8;
+}
+
+/* the values represent the positions in s390-acr.xml */
+#define S390_A0_REGNUM 0
+#define S390_A15_REGNUM 15
+/* total number of registers in s390-acr.xml */
+#define S390_NUM_AC_REGS 16
+
+static int cpu_read_ac_reg(CPUS390XState *env, uint8_t *mem_buf, int n)
+{
+ switch (n) {
case S390_A0_REGNUM ... S390_A15_REGNUM:
- env->aregs[n-S390_A0_REGNUM] = tmp32;
- r = 4;
- break;
+ return gdb_get_reg32(mem_buf, env->aregs[n]);
+ default:
+ return 0;
+ }
+}
+
+static int cpu_write_ac_reg(CPUS390XState *env, uint8_t *mem_buf, int n)
+{
+ switch (n) {
+ case S390_A0_REGNUM ... S390_A15_REGNUM:
+ env->aregs[n] = ldl_p(mem_buf);
+ return 4;
+ default:
+ return 0;
+ }
+}
+
+/* the values represent the positions in s390-fpr.xml */
+#define S390_FPC_REGNUM 0
+#define S390_F0_REGNUM 1
+#define S390_F15_REGNUM 16
+/* total number of registers in s390-fpr.xml */
+#define S390_NUM_FP_REGS 17
+
+static int cpu_read_fp_reg(CPUS390XState *env, uint8_t *mem_buf, int n)
+{
+ switch (n) {
case S390_FPC_REGNUM:
- env->fpc = tmp32;
- r = 4;
- break;
+ return gdb_get_reg32(mem_buf, env->fpc);
case S390_F0_REGNUM ... S390_F15_REGNUM:
- env->fregs[n-S390_F0_REGNUM].ll = tmpl;
- break;
+ return gdb_get_reg64(mem_buf, env->fregs[n - S390_F0_REGNUM].ll);
default:
return 0;
}
- return r;
+}
+
+static int cpu_write_fp_reg(CPUS390XState *env, uint8_t *mem_buf, int n)
+{
+ switch (n) {
+ case S390_FPC_REGNUM:
+ env->fpc = ldl_p(mem_buf);
+ return 4;
+ case S390_F0_REGNUM ... S390_F15_REGNUM:
+ env->fregs[n - S390_F0_REGNUM].ll = ldtul_p(mem_buf);
+ return 8;
+ default:
+ return 0;
+ }
+}
+
+void s390_cpu_gdb_init(CPUState *cs)
+{
+ gdb_register_coprocessor(cs, cpu_read_ac_reg,
+ cpu_write_ac_reg,
+ S390_NUM_AC_REGS, "s390-acr.xml", 0);
+
+ gdb_register_coprocessor(cs, cpu_read_fp_reg,
+ cpu_write_fp_reg,
+ S390_NUM_FP_REGS, "s390-fpr.xml", 0);
}
generated by cgit v1.1 at 2024-12-26 01:28:57 +0000