Code Review / openocd.git / blobdiff
? search:
summary | shortlog | log | commit | commitdiff | review | tree
raw | inline | side by side
ARM: only use one set of dummy FPA registers
[openocd.git] / src / target / armv7a.c
diff --git a/src/target/armv7a.c b/src/target/armv7a.c
index 547a33bb1ed4689875547a1300d20ba33a86e277..1518674a206845024e9c857b86ee99346f56eec3 100644 (file)
--- a/src/target/armv7a.c
+++ b/src/target/armv7a.c
@@ -23,10 +23,9 @@
 #include "replacements.h"
 
 #include "armv7a.h"
+#include "arm_disassembler.h"
 
-#include "target.h"
 #include "register.h"
-#include "log.h"
 #include "binarybuffer.h"
 #include "command.h"
 
@@ -34,25 +33,6 @@
 #include <string.h>
 #include <unistd.h>
 
-bitfield_desc_t armv7a_psr_bitfield_desc[] =
-{
-       {"M[4:0]", 5},
-       {"T", 1},
-       {"F", 1},
-       {"I", 1},
-       {"A", 1},
-       {"E", 1},
-       {"IT[7:2]", 6},
-       {"GE[3:0]", 4},
-       {"reserved(DNM)", 4},
-       {"J", 1},
-       {"IT[0:1]", 2},
-       {"Q", 1},
-       {"V", 1},
-       {"C", 1},
-       {"Z", 1},
-       {"N", 1},
-};
 
 char* armv7a_core_reg_list[] =
 {
@@ -69,8 +49,8 @@ char* armv7a_core_reg_list[] =
 
 char * armv7a_mode_strings_list[] =
 {
-       "Illegal mode value", "System and User", "FIQ", "IRQ",
-       "Supervisor", "Abort", "Undefined", "Monitor"
+       "Illegal mode value", "User", "FIQ", "IRQ",
+       "Supervisor", "Abort", "Undefined", "System", "Monitor"
 };
 
 /* Hack! Yuk! allow -1 index, which simplifies codepaths elsewhere in the code */
@@ -81,7 +61,7 @@ char* armv7a_state_strings[] =
        "ARM", "Thumb", "Jazelle", "ThumbEE"
 };
 
-armv7a_core_reg_t armv7a_core_reg_list_arch_info[] =
+struct armv7a_core_reg armv7a_core_reg_list_arch_info[] =
 {
        {0, ARMV4_5_MODE_ANY, NULL, NULL},
        {1, ARMV4_5_MODE_ANY, NULL, NULL},
@@ -164,34 +144,43 @@ int armv7a_core_reg_map[8][17] =
        }
 };
 
-uint8_t armv7a_gdb_dummy_fp_value[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-
-reg_t armv7a_gdb_dummy_fp_reg =
+void armv7a_show_fault_registers(struct target *target)
 {
-       "GDB dummy floating-point register", armv7a_gdb_dummy_fp_value,
-                       0, 1, 96, NULL, 0, NULL, 0
-};
+       uint32_t dfsr, ifsr, dfar, ifar;
+       struct armv7a_common *armv7a = target_to_armv7a(target);
+
+       armv7a->read_cp15(target, 0, 0, 5, 0, &dfsr);
+       armv7a->read_cp15(target, 0, 1, 5, 0, &ifsr);
+       armv7a->read_cp15(target, 0, 0, 6, 0, &dfar);
+       armv7a->read_cp15(target, 0, 2, 6, 0, &ifar);
 
-int armv7a_arch_state(struct target_s *target)
+       LOG_USER("Data fault registers        DFSR: %8.8" PRIx32
+                       ", DFAR: %8.8" PRIx32, dfsr, dfar);
+       LOG_USER("Instruction fault registers IFSR: %8.8" PRIx32
+                       ", IFAR: %8.8" PRIx32, ifsr, ifar);
+
+}
+
+int armv7a_arch_state(struct target *target)
 {
        static const char *state[] =
        {
                "disabled", "enabled"
        };
 
-       armv4_5_common_t *armv4_5 = target->arch_info;
-       armv7a_common_t *armv7a = armv4_5->arch_info;
+       struct armv7a_common *armv7a = target_to_armv7a(target);
+       struct armv4_5_common_s *armv4_5 = &armv7a->armv4_5_common;
 
-       if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC)
+       if (armv7a->common_magic != ARMV7_COMMON_MAGIC)
        {
-               LOG_ERROR("BUG: called for a non-ARMv4/5 target");
-               exit(-1);
+               LOG_ERROR("BUG: called for a non-ARMv7A target");
+               return ERROR_INVALID_ARGUMENTS;
        }
 
        LOG_USER("target halted in %s state due to %s, current mode: %s\n"
                         "%s: 0x%8.8" PRIx32 " pc: 0x%8.8" PRIx32 "\n"
                         "MMU: %s, D-Cache: %s, I-Cache: %s",
-                armv7a_state_strings[armv4_5->core_state],
+                armv7a_state_strings[armv7a->core_state],
                 Jim_Nvp_value2name_simple(nvp_target_debug_reason,
                                target->debug_reason)->name,
                 armv7a_mode_strings[
@@ -205,73 +194,73 @@ int armv7a_arch_state(struct target_s *target)
                 state[armv7a->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled],
                 state[armv7a->armv4_5_mmu.armv4_5_cache.i_cache_enabled]);
 
+       if (armv4_5->core_mode == ARMV7A_MODE_ABT)
+               armv7a_show_fault_registers(target);
+
        return ERROR_OK;
 }
 
 
-static int handle_dap_baseaddr_command(struct command_context_s *cmd_ctx,
-               char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_dap_baseaddr_command)
 {
-       target_t *target = get_current_target(cmd_ctx);
-       armv4_5_common_t *armv4_5 = target->arch_info;
-       armv7a_common_t *armv7a = armv4_5->arch_info;
-       swjdp_common_t *swjdp = &armv7a->swjdp_info;
+       struct target *target = get_current_target(CMD_CTX);
+       struct armv7a_common *armv7a = target_to_armv7a(target);
+       struct swjdp_common *swjdp = &armv7a->swjdp_info;
 
-       return dap_baseaddr_command(cmd_ctx, swjdp, args, argc);
+       return CALL_COMMAND_HANDLER(dap_baseaddr_command, swjdp);
 }
 
-static int handle_dap_memaccess_command(struct command_context_s *cmd_ctx,
-               char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_dap_memaccess_command)
 {
-       target_t *target = get_current_target(cmd_ctx);
-       armv4_5_common_t *armv4_5 = target->arch_info;
-       armv7a_common_t *armv7a = armv4_5->arch_info;
-       swjdp_common_t *swjdp = &armv7a->swjdp_info;
+       struct target *target = get_current_target(CMD_CTX);
+       struct armv7a_common *armv7a = target_to_armv7a(target);
+       struct swjdp_common *swjdp = &armv7a->swjdp_info;
 
-       return dap_memaccess_command(cmd_ctx, swjdp, args, argc);
+       return CALL_COMMAND_HANDLER(dap_memaccess_command, swjdp);
 }
 
-static int handle_dap_apsel_command(struct command_context_s *cmd_ctx,
-               char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_dap_apsel_command)
 {
-       target_t *target = get_current_target(cmd_ctx);
-       armv4_5_common_t *armv4_5 = target->arch_info;
-       armv7a_common_t *armv7a = armv4_5->arch_info;
-       swjdp_common_t *swjdp = &armv7a->swjdp_info;
+       struct target *target = get_current_target(CMD_CTX);
+       struct armv7a_common *armv7a = target_to_armv7a(target);
+       struct swjdp_common *swjdp = &armv7a->swjdp_info;
 
-       return dap_apsel_command(cmd_ctx, swjdp, args, argc);
+       return CALL_COMMAND_HANDLER(dap_apsel_command, swjdp);
 }
 
-static int handle_dap_apid_command(struct command_context_s *cmd_ctx,
-               char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_dap_apid_command)
 {
-       target_t *target = get_current_target(cmd_ctx);
-       armv4_5_common_t *armv4_5 = target->arch_info;
-       armv7a_common_t *armv7a = armv4_5->arch_info;
-       swjdp_common_t *swjdp = &armv7a->swjdp_info;
+       struct target *target = get_current_target(CMD_CTX);
+       struct armv7a_common *armv7a = target_to_armv7a(target);
+       struct swjdp_common *swjdp = &armv7a->swjdp_info;
 
-       return dap_apid_command(cmd_ctx, swjdp, args, argc);
+       return CALL_COMMAND_HANDLER(dap_apid_command, swjdp);
 }
 
-static int handle_dap_info_command(struct command_context_s *cmd_ctx,
-               char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_dap_info_command)
 {
-       target_t *target = get_current_target(cmd_ctx);
-       armv4_5_common_t *armv4_5 = target->arch_info;
-       armv7a_common_t *armv7a = armv4_5->arch_info;
-       swjdp_common_t *swjdp = &armv7a->swjdp_info;
+       struct target *target = get_current_target(CMD_CTX);
+       struct armv7a_common *armv7a = target_to_armv7a(target);
+       struct swjdp_common *swjdp = &armv7a->swjdp_info;
        uint32_t apsel;
 
-       apsel =  swjdp->apsel;
-       if (argc > 0)
-               apsel = strtoul(args[0], NULL, 0);
+       switch (CMD_ARGC) {
+       case 0:
+               apsel = swjdp->apsel;
+               break;
+       case 1:
+               COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
+               break;
+       default:
+               return ERROR_COMMAND_SYNTAX_ERROR;
+       }
 
-       return dap_info_command(cmd_ctx, swjdp, apsel);
+       return dap_info_command(CMD_CTX, swjdp, apsel);
 }
 
-int armv7a_register_commands(struct command_context_s *cmd_ctx)
+int armv7a_register_commands(struct command_context *cmd_ctx)
 {
-       command_t *arm_adi_v5_dap_cmd;
+       struct command *arm_adi_v5_dap_cmd;
 
        arm_adi_v5_dap_cmd = register_command(cmd_ctx, NULL, "dap",
                        NULL, COMMAND_ANY,
Open On-Chip Debugger

Linking to existing account procedure

If you already have an account and want to add another login method you MUST first sign in with your existing account and then change URL to read https://review.openocd.org/login/?link to get to this page again but this time it'll work for linking. Thank you.

SSH host keys fingerprints

1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=..              |
|+o..   .         |
|*.o   . .        |
|+B . . .         |
|Bo. = o S        |
|Oo.+ + =         |
|oB=.* = . o      |
| =+=.+   + E     |
|. .=o   . o      |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)