target/arm: Add the XML dynamic generation

[mirror_qemu.git] / target / arm / helper.c

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 369292c8b084e3d138fe2e7620d6ba7a1ccaba05..c0f739972e89a5de887c3548aa81dcb4d54ad05f 100644 (file)
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -215,6 +215,29 @@ static void write_raw_cp_reg(CPUARMState *env, const ARMCPRegInfo *ri,
     }
 }
 
+static int arm_gdb_get_sysreg(CPUARMState *env, uint8_t *buf, int reg)
+{
+    ARMCPU *cpu = arm_env_get_cpu(env);
+    const ARMCPRegInfo *ri;
+    uint32_t key;
+
+    key = cpu->dyn_xml.cpregs_keys[reg];
+    ri = get_arm_cp_reginfo(cpu->cp_regs, key);
+    if (ri) {
+        if (cpreg_field_is_64bit(ri)) {
+            return gdb_get_reg64(buf, (uint64_t)read_raw_cp_reg(env, ri));
+        } else {
+            return gdb_get_reg32(buf, (uint32_t)read_raw_cp_reg(env, ri));
+        }
+    }
+    return 0;
+}
+
+static int arm_gdb_set_sysreg(CPUARMState *env, uint8_t *buf, int reg)
+{
+    return 0;
+}
+
 static bool raw_accessors_invalid(const ARMCPRegInfo *ri)
 {
    /* Return true if the regdef would cause an assertion if you called
@@ -5488,6 +5511,9 @@ void arm_cpu_register_gdb_regs_for_features(ARMCPU *cpu)
         gdb_register_coprocessor(cs, vfp_gdb_get_reg, vfp_gdb_set_reg,
                                  19, "arm-vfp.xml", 0);
     }
+    gdb_register_coprocessor(cs, arm_gdb_get_sysreg, arm_gdb_set_sysreg,
+                             arm_gen_dynamic_xml(cs),
+                             "system-registers.xml", 0);
 }
 
 /* Sort alphabetically by type name, except for "any". */