Duane Ellis: fix warnings
[fw/openocd] / src / target / arm7tdmi.c
index ae51e3ae4162307d175fb657b2967a8444bc09db..af6837e4e4cb93768aecdd87bacb1d536fb287f4 100644 (file)
@@ -46,10 +46,10 @@ int arm7tdmi_register_commands(struct command_context_s *cmd_ctx);
 /* forward declarations */
 int arm7tdmi_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target);
 int arm7tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *target);
-int arm7tdmi_quit();
+int arm7tdmi_quit(void);
 
 /* target function declarations */
-enum target_state arm7tdmi_poll(struct target_s *target);
+int arm7tdmi_poll(struct target_s *target);
 int arm7tdmi_halt(target_t *target);
                
 target_type_t arm7tdmi_target =
@@ -68,14 +68,15 @@ target_type_t arm7tdmi_target =
        .assert_reset = arm7_9_assert_reset,
        .deassert_reset = arm7_9_deassert_reset,
        .soft_reset_halt = arm7_9_soft_reset_halt,
-       .prepare_reset_halt = arm7_9_prepare_reset_halt,
 
        .get_gdb_reg_list = armv4_5_get_gdb_reg_list,
        
        .read_memory = arm7_9_read_memory,
        .write_memory = arm7_9_write_memory,
        .bulk_write_memory = arm7_9_bulk_write_memory,
-
+       .checksum_memory = arm7_9_checksum_memory,
+       .blank_check_memory = arm7_9_blank_check_memory,
+       
        .run_algorithm = armv4_5_run_algorithm,
        
        .add_breakpoint = arm7_9_add_breakpoint,
@@ -86,6 +87,7 @@ target_type_t arm7tdmi_target =
        .register_commands = arm7tdmi_register_commands,
        .target_command = arm7tdmi_target_command,
        .init_target = arm7tdmi_init_target,
+       .examine = arm7tdmi_examine,
        .quit = arm7tdmi_quit
 };
 
@@ -128,7 +130,7 @@ int arm7tdmi_examine_debug_reason(target_t *target)
                arm_jtag_scann(&arm7_9->jtag_info, 0x1);
                arm_jtag_set_instr(&arm7_9->jtag_info, arm7_9->jtag_info.intest_instr, NULL);
 
-               jtag_add_dr_scan(2, fields, TAP_PD, NULL);
+               jtag_add_dr_scan(2, fields, TAP_PD);
                jtag_execute_queue();
                
                fields[0].in_value = NULL;
@@ -136,7 +138,7 @@ int arm7tdmi_examine_debug_reason(target_t *target)
                fields[1].in_value = NULL;
                fields[1].out_value = databus;
                
-               jtag_add_dr_scan(2, fields, TAP_PD, NULL);
+               jtag_add_dr_scan(2, fields, TAP_PD);
 
                if (breakpoint & 1)
                        target->debug_reason = DBG_REASON_WATCHPOINT; 
@@ -147,66 +149,30 @@ int arm7tdmi_examine_debug_reason(target_t *target)
        return ERROR_OK;
 }
 
-/* put an instruction in the ARM7TDMI pipeline or write the data bus, and optionally read data */
-int arm7tdmi_clock_out(arm_jtag_t *jtag_info, u32 out, u32 *in, int breakpoint)
+static int arm7tdmi_num_bits[]={1, 32};
+static __inline int arm7tdmi_clock_out_inner(arm_jtag_t *jtag_info, u32 out, int breakpoint)
 {
-       scan_field_t fields[2];
-       u8 out_buf[4];
-       u8 breakpoint_buf;
-       
-       buf_set_u32(out_buf, 0, 32, flip_u32(out, 32));
-       buf_set_u32(&breakpoint_buf, 0, 1, breakpoint);
+       u32 values[2]={breakpoint, flip_u32(out, 32)};
+                       
+       jtag_add_dr_out(jtag_info->chain_pos, 
+                       2,
+                       arm7tdmi_num_bits,
+                       values,
+                       -1);
+                       
+       jtag_add_runtest(0, -1);
+
+       return ERROR_OK;
+}
 
+/* put an instruction in the ARM7TDMI pipeline or write the data bus, and optionally read data */
+static __inline int arm7tdmi_clock_out(arm_jtag_t *jtag_info, u32 out, u32 *deprecated, int breakpoint)
+{
        jtag_add_end_state(TAP_PD);
        arm_jtag_scann(jtag_info, 0x1);
        arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
        
-       fields[0].device = jtag_info->chain_pos;
-       fields[0].num_bits = 1;
-       fields[0].out_value = &breakpoint_buf;
-       fields[0].out_mask = NULL;
-       fields[0].in_value = NULL;
-       fields[0].in_check_value = NULL;
-       fields[0].in_check_mask = NULL;
-       fields[0].in_handler = NULL;
-       fields[0].in_handler_priv = NULL;
-               
-       fields[1].device = jtag_info->chain_pos;
-       fields[1].num_bits = 32;
-       fields[1].out_value = out_buf;
-       fields[1].out_mask = NULL;
-       fields[1].in_value = NULL;
-       if (in)
-       {
-               fields[1].in_handler = arm_jtag_buf_to_u32_flip;
-               fields[1].in_handler_priv = in;
-       }
-       else
-       {
-               fields[1].in_handler = NULL;
-               fields[1].in_handler_priv = NULL;
-       }
-       fields[1].in_check_value = NULL;
-       fields[1].in_check_mask = NULL;
-
-       jtag_add_dr_scan(2, fields, -1, NULL);
-
-       jtag_add_runtest(0, -1);
-       
-#ifdef _DEBUG_INSTRUCTION_EXECUTION_
-{
-               jtag_execute_queue();
-               
-               if (in)
-               {
-                       DEBUG("out: 0x%8.8x, in: 0x%8.8x", out, *in);
-               }
-               else
-                       DEBUG("out: 0x%8.8x", out);
-}
-#endif
-
-       return ERROR_OK;
+       return arm7tdmi_clock_out_inner(jtag_info, out, breakpoint);
 }
 
 /* clock the target, reading the databus */
@@ -238,7 +204,7 @@ int arm7tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *in)
        fields[1].in_check_value = NULL;
        fields[1].in_check_mask = NULL;
 
-       jtag_add_dr_scan(2, fields, -1, NULL);
+       jtag_add_dr_scan(2, fields, -1);
 
        jtag_add_runtest(0, -1);
        
@@ -248,11 +214,11 @@ int arm7tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *in)
                        
                if (in)
                {
-                       DEBUG("in: 0x%8.8x", *in);
+                       LOG_DEBUG("in: 0x%8.8x", *in);
                }
                else
                {
-                       ERROR("BUG: called with in == NULL");
+                       LOG_ERROR("BUG: called with in == NULL");
                }
 }
 #endif
@@ -303,7 +269,7 @@ int arm7tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size,
        fields[1].in_check_value = NULL;
        fields[1].in_check_mask = NULL;
 
-       jtag_add_dr_scan(2, fields, -1, NULL);
+       jtag_add_dr_scan(2, fields, -1);
 
        jtag_add_runtest(0, -1);
        
@@ -313,11 +279,11 @@ int arm7tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size,
                        
                if (in)
                {
-                       DEBUG("in: 0x%8.8x", *in);
+                       LOG_DEBUG("in: 0x%8.8x", *(u32*)in);
                }
                else
                {
-                       ERROR("BUG: called with in == NULL");
+                       LOG_ERROR("BUG: called with in == NULL");
                }
 }
 #endif
@@ -475,7 +441,7 @@ void arm7tdmi_write_xpsr(target_t *target, u32 xpsr, int spsr)
        arm7_9_common_t *arm7_9 = armv4_5->arch_info;
        arm_jtag_t *jtag_info = &arm7_9->jtag_info;
                
-       DEBUG("xpsr: %8.8x, spsr: %i", xpsr, spsr);
+       LOG_DEBUG("xpsr: %8.8x, spsr: %i", xpsr, spsr);
 
        /* MSR1 fetched */
        arm7tdmi_clock_out(jtag_info, ARMV4_5_MSR_IM(xpsr & 0xff, 0, 1, spsr), NULL, 0);
@@ -506,7 +472,7 @@ void arm7tdmi_write_xpsr_im8(target_t *target, u8 xpsr_im, int rot, int spsr)
        arm7_9_common_t *arm7_9 = armv4_5->arch_info;
        arm_jtag_t *jtag_info = &arm7_9->jtag_info;
                
-       DEBUG("xpsr_im: %2.2x, rot: %i, spsr: %i", xpsr_im, rot, spsr);
+       LOG_DEBUG("xpsr_im: %2.2x, rot: %i, spsr: %i", xpsr_im, rot, spsr);
        
        /* MSR fetched */
        arm7tdmi_clock_out(jtag_info, ARMV4_5_MSR_IM(xpsr_im, rot, 1, spsr), NULL, 0);
@@ -533,17 +499,17 @@ void arm7tdmi_write_core_regs(target_t *target, u32 mask, u32 core_regs[16])
        arm7tdmi_clock_out(jtag_info, ARMV4_5_LDMIA(0, mask & 0xffff, 0, 0), NULL, 0);
 
        /* fetch NOP, LDM in DECODE stage */
-       arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+       arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
        /* fetch NOP, LDM in EXECUTE stage (1st cycle) */
-       arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+       arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
 
        for (i = 0; i <= 15; i++)
        {
                if (mask & (1 << i))
                        /* nothing fetched, LDM still in EXECUTE (1+i cycle) */
-                       arm7tdmi_clock_out(jtag_info, core_regs[i], NULL, 0);
+                       arm7tdmi_clock_out_inner(jtag_info, core_regs[i], 0);
        }
-       arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+       arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
        
 }
 
@@ -643,19 +609,19 @@ void arm7tdmi_write_pc(target_t *target, u32 pc)
         */
        arm7tdmi_clock_out(jtag_info, ARMV4_5_LDMIA(0, 0x8000, 0, 0), NULL, 0);
        /* fetch NOP, LDM in DECODE stage */
-       arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+       arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
        /* fetch NOP, LDM in EXECUTE stage (1st cycle) */
-       arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+       arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
        /* nothing fetched, LDM in EXECUTE stage (1st cycle) load register */
-       arm7tdmi_clock_out(jtag_info, pc, NULL, 0);
+       arm7tdmi_clock_out_inner(jtag_info, pc, 0);
        /* nothing fetched, LDM in EXECUTE stage (2nd cycle) load register */
-       arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+       arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
        /* nothing fetched, LDM in EXECUTE stage (3rd cycle) load register */
-       arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+       arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
        /* fetch NOP, LDM in EXECUTE stage (4th cycle) */
-       arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+       arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
        /* fetch NOP, LDM in EXECUTE stage (5th cycle) */
-       arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+       arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
 }
 
 void arm7tdmi_branch_resume(target_t *target)
@@ -666,13 +632,13 @@ void arm7tdmi_branch_resume(target_t *target)
        arm_jtag_t *jtag_info = &arm7_9->jtag_info;
        
        arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 1);
-       arm7tdmi_clock_out(jtag_info, ARMV4_5_B(0xfffffa, 0), NULL, 0);
+       arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_B(0xfffffa, 0), 0);
 
 }
 
 void arm7tdmi_branch_resume_thumb(target_t *target)
 {
-       DEBUG("-");
+       LOG_DEBUG("-");
        
        /* get pointers to arch-specific information */
        armv4_5_common_t *armv4_5 = target->arch_info;
@@ -737,20 +703,45 @@ void arm7tdmi_build_reg_cache(target_t *target)
        reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
        /* get pointers to arch-specific information */
        armv4_5_common_t *armv4_5 = target->arch_info;
-       arm7_9_common_t *arm7_9 = armv4_5->arch_info;
-       arm_jtag_t *jtag_info = &arm7_9->jtag_info;
 
        (*cache_p) = armv4_5_build_reg_cache(target, armv4_5);
        armv4_5->core_cache = (*cache_p);
-       
-       (*cache_p)->next = embeddedice_build_reg_cache(target, arm7_9);
-       arm7_9->eice_cache = (*cache_p)->next;
-       
+}
+
+int arm7tdmi_examine(struct target_s *target)
+{
+       int retval;
+       armv4_5_common_t *armv4_5 = target->arch_info;
+       arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+       if (!target->type->examined)
+       {
+               /* get pointers to arch-specific information */
+               reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
+               reg_cache_t *t=embeddedice_build_reg_cache(target, arm7_9);
+               if (t==NULL)
+                       return ERROR_FAIL;
+               
+               (*cache_p) = t;
+               arm7_9->eice_cache = (*cache_p);
+               
+               if (arm7_9->etm_ctx)
+               {
+                       arm_jtag_t *jtag_info = &arm7_9->jtag_info;
+                       (*cache_p)->next = etm_build_reg_cache(target, jtag_info, arm7_9->etm_ctx);
+                       arm7_9->etm_ctx->reg_cache = (*cache_p)->next;
+               }
+               target->type->examined = 1;
+       }
+       if ((retval=embeddedice_setup(target))!=ERROR_OK)
+               return retval;
+       if ((retval=arm7_9_setup(target))!=ERROR_OK)
+               return retval;
        if (arm7_9->etm_ctx)
        {
-               (*cache_p)->next->next = etm_build_reg_cache(target, jtag_info, arm7_9->etm_ctx);
-               arm7_9->etm_ctx->reg_cache = (*cache_p)->next->next;
+               if ((retval=etm_setup(target))!=ERROR_OK)
+                       return retval;
        }
+       return ERROR_OK;
 }
 
 int arm7tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *target)
@@ -762,7 +753,7 @@ int arm7tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *tar
        
 }
 
-int arm7tdmi_quit()
+int arm7tdmi_quit(void)
 {
        
        return ERROR_OK;
@@ -844,10 +835,11 @@ int arm7tdmi_target_command(struct command_context_s *cmd_ctx, char *cmd, char *
        int chain_pos;
        char *variant = NULL;
        arm7tdmi_common_t *arm7tdmi = malloc(sizeof(arm7tdmi_common_t));
+       memset(arm7tdmi, 0, sizeof(*arm7tdmi));
 
        if (argc < 4)
        {
-               ERROR("'target arm7tdmi' requires at least one additional argument");
+               LOG_ERROR("'target arm7tdmi' requires at least one additional argument");
                exit(-1);
        }