target/aarch64: add support for multi-architecture gdb

[openocd.git] / src / target / arm.h

diff --git a/src/target/arm.h b/src/target/arm.h
index e5e336dff7f3094432be3fd3d77eb00b90b02f0f..ea83d386736569a2b6bc918e02047a4f0305ab96 100644 (file)
--- a/src/target/arm.h
+++ b/src/target/arm.h
@@ -8,6 +8,9 @@
  * Copyright (C) 2009 by Øyvind Harboe
  * oyvind.harboe@zylin.com
  *
+ * Copyright (C) 2018 by Liviu Ionescu
+ *   <ilg@livius.net>
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
@@ -28,7 +31,6 @@
 #include <helper/command.h>
 #include "target.h"
 
-
 /**
  * @file
  * Holds the interface to ARM cores.
@@ -66,18 +68,54 @@ enum arm_mode {
        ARM_MODE_USER_THREAD = 1,
        ARM_MODE_HANDLER = 2,
 
-       /* shift left 4 bits for armv8 64 */
-       ARMV8_64_EL0T = 0x0F,
-       ARMV8_64_EL1T = 0x4F,
-       ARMV8_64_EL1H = 0x5F,
-       ARMV8_64_EL2T = 0x8F,
-       ARMV8_64_EL2H = 0x9F,
-       ARMV8_64_EL3T = 0xCF,
-       ARMV8_64_EL3H = 0xDF,
+       ARMV8_64_EL0T = 0x0,
+       ARMV8_64_EL1T = 0x4,
+       ARMV8_64_EL1H = 0x5,
+       ARMV8_64_EL2T = 0x8,
+       ARMV8_64_EL2H = 0x9,
+       ARMV8_64_EL3T = 0xC,
+       ARMV8_64_EL3H = 0xD,
 
        ARM_MODE_ANY = -1
 };
 
+/* VFPv3 internal register numbers mapping to d0:31 */
+enum {
+       ARM_VFP_V3_D0 = 51,
+       ARM_VFP_V3_D1,
+       ARM_VFP_V3_D2,
+       ARM_VFP_V3_D3,
+       ARM_VFP_V3_D4,
+       ARM_VFP_V3_D5,
+       ARM_VFP_V3_D6,
+       ARM_VFP_V3_D7,
+       ARM_VFP_V3_D8,
+       ARM_VFP_V3_D9,
+       ARM_VFP_V3_D10,
+       ARM_VFP_V3_D11,
+       ARM_VFP_V3_D12,
+       ARM_VFP_V3_D13,
+       ARM_VFP_V3_D14,
+       ARM_VFP_V3_D15,
+       ARM_VFP_V3_D16,
+       ARM_VFP_V3_D17,
+       ARM_VFP_V3_D18,
+       ARM_VFP_V3_D19,
+       ARM_VFP_V3_D20,
+       ARM_VFP_V3_D21,
+       ARM_VFP_V3_D22,
+       ARM_VFP_V3_D23,
+       ARM_VFP_V3_D24,
+       ARM_VFP_V3_D25,
+       ARM_VFP_V3_D26,
+       ARM_VFP_V3_D27,
+       ARM_VFP_V3_D28,
+       ARM_VFP_V3_D29,
+       ARM_VFP_V3_D30,
+       ARM_VFP_V3_D31,
+       ARM_VFP_V3_FPSCR,
+};
+
 const char *arm_mode_name(unsigned psr_mode);
 bool is_arm_mode(unsigned psr_mode);
 
@@ -90,6 +128,14 @@ enum arm_state {
        ARM_STATE_AARCH64,
 };
 
+/** ARM vector floating point enabled, if yes which version. */
+enum arm_vfp_version {
+       ARM_VFP_DISABLED,
+       ARM_VFP_V1,
+       ARM_VFP_V2,
+       ARM_VFP_V3,
+};
+
 #define ARM_COMMON_MAGIC 0x0A450A45
 
 /**
@@ -137,23 +183,8 @@ struct arm {
        /** Flag reporting armv6m based core. */
        bool is_armv6m;
 
-       /** Flag reporting whether semihosting is active. */
-       bool is_semihosting;
-
-       /** Flag reporting whether semihosting fileio is active. */
-       bool is_semihosting_fileio;
-
-       /** Flag reporting whether semihosting fileio operation is active. */
-       bool semihosting_hit_fileio;
-
-       /** Current semihosting operation. */
-       int semihosting_op;
-
-       /** Current semihosting result. */
-       int semihosting_result;
-
-       /** Value to be returned by semihosting SYS_ERRNO request. */
-       int semihosting_errno;
+       /** Floating point or VFP version, 0 if disabled. */
+       int arm_vfp_version;
 
        int (*setup_semihosting)(struct target *target, int enable);
 
@@ -189,18 +220,6 @@ struct arm {
                        uint32_t CRn, uint32_t CRm,
                        uint32_t value);
 
-       /** Read coprocessor register.  */
-       int (*mrs)(struct target *target, uint32_t op0,
-                       uint32_t op1, uint32_t op2,
-                       uint32_t CRn, uint32_t CRm,
-                       uint32_t *value);
-
-       /** Write coprocessor register.  */
-       int (*msr)(struct target *target, uint32_t cpnum,
-                       uint32_t op1, uint32_t op2,
-                       uint32_t CRn, uint32_t CRm,
-                       uint32_t value);
-
        void *arch_info;
 
        /** For targets conforming to ARM Debug Interface v5,
@@ -235,7 +254,7 @@ struct arm_reg {
        enum arm_mode mode;
        struct target *target;
        struct arm *arm;
-       uint8_t value[8];
+       uint8_t value[16];
 };
 
 struct reg_cache *arm_build_reg_cache(struct target *target, struct arm *arm);
@@ -244,9 +263,11 @@ struct reg_cache *armv8_build_reg_cache(struct target *target);
 extern const struct command_registration arm_command_handlers[];
 
 int arm_arch_state(struct target *target);
+const char *arm_get_gdb_arch(struct target *target);
 int arm_get_gdb_reg_list(struct target *target,
                struct reg **reg_list[], int *reg_list_size,
                enum target_register_class reg_class);
+const char *armv8_get_gdb_arch(struct target *target);
 int armv8_get_gdb_reg_list(struct target *target,
                struct reg **reg_list[], int *reg_list_size,
                enum target_register_class reg_class);
@@ -270,7 +291,7 @@ int armv4_5_run_algorithm_inner(struct target *target,
 int arm_checksum_memory(struct target *target,
                target_addr_t address, uint32_t count, uint32_t *checksum);
 int arm_blank_check_memory(struct target *target,
-               target_addr_t address, uint32_t count, uint32_t *blank, uint8_t erased_value);
+               struct target_memory_check_block *blocks, int num_blocks, uint8_t erased_value);
 
 void arm_set_cpsr(struct arm *arm, uint32_t cpsr);
 struct reg *arm_reg_current(struct arm *arm, unsigned regnum);