]> git.sur5r.net Git - openocd/blobdiff - src/target/arm7tdmi.c
retire daemon_startup
[openocd] / src / target / arm7tdmi.c
index f331bd2feb647d58c0264162dbb10d7600206304..ff398887d640a418e895d3c51bf3b2a1f739a49d 100644 (file)
@@ -75,6 +75,7 @@ target_type_t arm7tdmi_target =
        .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,
        
@@ -148,66 +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);
-
-       jtag_add_runtest(0, -1);
-       
-#ifdef _DEBUG_INSTRUCTION_EXECUTION_
-{
-               jtag_execute_queue();
-               
-               if (in)
-               {
-                       LOG_DEBUG("out: 0x%8.8x, in: 0x%8.8x", out, *in);
-               }
-               else
-                       LOG_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 */
@@ -314,7 +279,7 @@ int arm7tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size,
                        
                if (in)
                {
-                       LOG_DEBUG("in: 0x%8.8x", *in);
+                       LOG_DEBUG("in: 0x%8.8x", *(u32*)in);
                }
                else
                {
@@ -534,17 +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);
        
 }
 
@@ -644,19 +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)
@@ -667,7 +632,7 @@ 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);
 
 }
 
@@ -738,26 +703,44 @@ 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;
-       
-       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;
-       }
 }
 
 int arm7tdmi_examine(struct command_context_s *cmd_ctx, struct target_s *target)
 {
-       target->type->examined = 1;
-       
+       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)
+       {
+               if ((retval=etm_setup(target))!=ERROR_OK)
+                       return retval;
+       }
        return ERROR_OK;
 }