Alan Carvalho de Assis <acassis@gmail.com> test app for imx27
[openocd.git] / src / target / xscale.c
index 90c89518a61f48527fa18d38e5302f3adbf7e9c7..e98644b48cf02622778698543fb64bb5aaa1fc28 100644 (file)
@@ -212,21 +212,22 @@ int xscale_get_arch_pointers(target_t *target, armv4_5_common_t **armv4_5_p, xsc
        return ERROR_OK;
 }
 
-int xscale_jtag_set_instr(int chain_pos, u32 new_instr)
+int xscale_jtag_set_instr(jtag_tap_t *tap, u32 new_instr)
 {
-       jtag_device_t *device = jtag_get_device(chain_pos);
+       if (tap==NULL)
+               return ERROR_FAIL;
 
-       if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr)
+       if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr)
        {
                scan_field_t field;
 
-               field.device = chain_pos;
-               field.num_bits = device->ir_length;
+               field.tap = tap;
+               field.num_bits = tap->ir_length;
                field.out_value = calloc(CEIL(field.num_bits, 8), 1);
                buf_set_u32(field.out_value, 0, field.num_bits, new_instr);
                field.out_mask = NULL;
                field.in_value = NULL;
-               jtag_set_check_value(&field, device->expected, device->expected_mask, NULL);
+               jtag_set_check_value(&field, tap->expected, tap->expected_mask, NULL);
 
                jtag_add_ir_scan(1, &field, -1);
 
@@ -251,20 +252,20 @@ int xscale_read_dcsr(target_t *target)
        u8 field2_check_value = 0x0;
        u8 field2_check_mask = 0x1;
 
-       jtag_add_end_state(TAP_PD);
-       xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dcsr);
+       jtag_add_end_state(TAP_DRPAUSE);
+       xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dcsr);
 
        buf_set_u32(&field0, 1, 1, xscale->hold_rst);
        buf_set_u32(&field0, 2, 1, xscale->external_debug_break);
 
-       fields[0].device = xscale->jtag_info.chain_pos;
+       fields[0].tap = xscale->jtag_info.tap;
        fields[0].num_bits = 3;
        fields[0].out_value = &field0;
        fields[0].out_mask = NULL;
        fields[0].in_value = NULL;
        jtag_set_check_value(fields+0, &field0_check_value, &field0_check_mask, NULL);
 
-       fields[1].device = xscale->jtag_info.chain_pos;
+       fields[1].tap = xscale->jtag_info.tap;
        fields[1].num_bits = 32;
        fields[1].out_value = NULL;
        fields[1].out_mask = NULL;
@@ -274,7 +275,7 @@ int xscale_read_dcsr(target_t *target)
        fields[1].in_check_value = NULL;
        fields[1].in_check_mask = NULL;
 
-       fields[2].device = xscale->jtag_info.chain_pos;
+       fields[2].tap = xscale->jtag_info.tap;
        fields[2].num_bits = 1;
        fields[2].out_value = &field2;
        fields[2].out_mask = NULL;
@@ -299,7 +300,7 @@ int xscale_read_dcsr(target_t *target)
        fields[1].out_value = xscale->reg_cache->reg_list[XSCALE_DCSR].value;
        fields[1].in_value = NULL;
 
-       jtag_add_end_state(TAP_RTI);
+       jtag_add_end_state(TAP_IDLE);
 
        jtag_add_dr_scan(3, fields, -1);
 
@@ -331,18 +332,18 @@ int xscale_receive(target_t *target, u32 *buffer, int num_words)
 
        int i;
 
-       path[0] = TAP_SDS;
-       path[1] = TAP_CD;
-       path[2] = TAP_SD;
+       path[0] = TAP_DRSELECT;
+       path[1] = TAP_DRCAPTURE;
+       path[2] = TAP_DRSHIFT;
 
-       fields[0].device = xscale->jtag_info.chain_pos;
+       fields[0].tap = xscale->jtag_info.tap;
        fields[0].num_bits = 3;
        fields[0].out_value = NULL;
        fields[0].out_mask = NULL;
        fields[0].in_value = NULL;
        jtag_set_check_value(fields+0, &field0_check_value, &field0_check_mask, NULL);
 
-       fields[1].device = xscale->jtag_info.chain_pos;
+       fields[1].tap = xscale->jtag_info.tap;
        fields[1].num_bits = 32;
        fields[1].out_value = NULL;
        fields[1].out_mask = NULL;
@@ -352,18 +353,16 @@ int xscale_receive(target_t *target, u32 *buffer, int num_words)
        fields[1].in_check_value = NULL;
        fields[1].in_check_mask = NULL;
 
-
-
-       fields[2].device = xscale->jtag_info.chain_pos;
+       fields[2].tap = xscale->jtag_info.tap;
        fields[2].num_bits = 1;
        fields[2].out_value = NULL;
        fields[2].out_mask = NULL;
        fields[2].in_value = NULL;
        jtag_set_check_value(fields+2, &field2_check_value, &field2_check_mask, NULL);
 
-       jtag_add_end_state(TAP_RTI);
-       xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dbgtx);
-       jtag_add_runtest(1, -1); /* ensures that we're in the TAP_RTI state as the above could be a no-op */
+       jtag_add_end_state(TAP_IDLE);
+       xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dbgtx);
+       jtag_add_runtest(1, -1); /* ensures that we're in the TAP_IDLE state as the above could be a no-op */
 
        /* repeat until all words have been collected */
        int attempts=0;
@@ -378,7 +377,7 @@ int xscale_receive(target_t *target, u32 *buffer, int num_words)
                        fields[1].in_handler_priv = (u8*)&field1[i];
 
                        jtag_add_pathmove(3, path);
-                       jtag_add_dr_scan(3, fields, TAP_RTI);
+                       jtag_add_dr_scan(3, fields, TAP_IDLE);
                        words_scheduled++;
                }
 
@@ -441,29 +440,29 @@ int xscale_read_tx(target_t *target, int consume)
        u8 field2_check_value = 0x0;
        u8 field2_check_mask = 0x1;
 
-       jtag_add_end_state(TAP_RTI);
+       jtag_add_end_state(TAP_IDLE);
 
-       xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dbgtx);
+       xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dbgtx);
 
-       path[0] = TAP_SDS;
-       path[1] = TAP_CD;
-       path[2] = TAP_SD;
+       path[0] = TAP_DRSELECT;
+       path[1] = TAP_DRCAPTURE;
+       path[2] = TAP_DRSHIFT;
 
-       noconsume_path[0] = TAP_SDS;
-       noconsume_path[1] = TAP_CD;
-       noconsume_path[2] = TAP_E1D;
-       noconsume_path[3] = TAP_PD;
-       noconsume_path[4] = TAP_E2D;
-       noconsume_path[5] = TAP_SD;
+       noconsume_path[0] = TAP_DRSELECT;
+       noconsume_path[1] = TAP_DRCAPTURE;
+       noconsume_path[2] = TAP_DREXIT1;
+       noconsume_path[3] = TAP_DRPAUSE;
+       noconsume_path[4] = TAP_DREXIT2;
+       noconsume_path[5] = TAP_DRSHIFT;
 
-       fields[0].device = xscale->jtag_info.chain_pos;
+       fields[0].tap = xscale->jtag_info.tap;
        fields[0].num_bits = 3;
        fields[0].out_value = NULL;
        fields[0].out_mask = NULL;
        fields[0].in_value = &field0_in;
        jtag_set_check_value(fields+0, &field0_check_value, &field0_check_mask, NULL);
 
-       fields[1].device = xscale->jtag_info.chain_pos;
+       fields[1].tap = xscale->jtag_info.tap;
        fields[1].num_bits = 32;
        fields[1].out_value = NULL;
        fields[1].out_mask = NULL;
@@ -473,9 +472,7 @@ int xscale_read_tx(target_t *target, int consume)
        fields[1].in_check_value = NULL;
        fields[1].in_check_mask = NULL;
 
-
-
-       fields[2].device = xscale->jtag_info.chain_pos;
+       fields[2].tap = xscale->jtag_info.tap;
        fields[2].num_bits = 1;
        fields[2].out_value = NULL;
        fields[2].out_mask = NULL;
@@ -498,7 +495,7 @@ int xscale_read_tx(target_t *target, int consume)
                        jtag_add_pathmove(sizeof(noconsume_path)/sizeof(*noconsume_path), noconsume_path);
                }
 
-               jtag_add_dr_scan(3, fields, TAP_RTI);
+               jtag_add_dr_scan(3, fields, TAP_IDLE);
 
                if ((retval = jtag_execute_queue()) != ERROR_OK)
                {
@@ -550,18 +547,18 @@ int xscale_write_rx(target_t *target)
        u8 field2_check_value = 0x0;
        u8 field2_check_mask = 0x1;
 
-       jtag_add_end_state(TAP_RTI);
+       jtag_add_end_state(TAP_IDLE);
 
-       xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dbgrx);
+       xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dbgrx);
 
-       fields[0].device = xscale->jtag_info.chain_pos;
+       fields[0].tap = xscale->jtag_info.tap;
        fields[0].num_bits = 3;
        fields[0].out_value = &field0_out;
        fields[0].out_mask = NULL;
        fields[0].in_value = &field0_in;
        jtag_set_check_value(fields+0, &field0_check_value, &field0_check_mask, NULL);
 
-       fields[1].device = xscale->jtag_info.chain_pos;
+       fields[1].tap = xscale->jtag_info.tap;
        fields[1].num_bits = 32;
        fields[1].out_value = xscale->reg_cache->reg_list[XSCALE_RX].value;
        fields[1].out_mask = NULL;
@@ -571,9 +568,7 @@ int xscale_write_rx(target_t *target)
        fields[1].in_check_value = NULL;
        fields[1].in_check_mask = NULL;
 
-
-
-       fields[2].device = xscale->jtag_info.chain_pos;
+       fields[2].tap = xscale->jtag_info.tap;
        fields[2].num_bits = 1;
        fields[2].out_value = &field2;
        fields[2].out_mask = NULL;
@@ -587,7 +582,7 @@ int xscale_write_rx(target_t *target)
        LOG_DEBUG("polling RX");
        for (;;)
        {
-               jtag_add_dr_scan(3, fields, TAP_RTI);
+               jtag_add_dr_scan(3, fields, TAP_IDLE);
 
                if ((retval = jtag_execute_queue()) != ERROR_OK)
                {
@@ -616,7 +611,7 @@ int xscale_write_rx(target_t *target)
 
        /* set rx_valid */
        field2 = 0x1;
-       jtag_add_dr_scan(3, fields, TAP_RTI);
+       jtag_add_dr_scan(3, fields, TAP_IDLE);
 
        if ((retval = jtag_execute_queue()) != ERROR_OK)
        {
@@ -639,9 +634,9 @@ int xscale_send(target_t *target, u8 *buffer, int count, int size)
 
        int done_count = 0;
 
-       jtag_add_end_state(TAP_RTI);
+       jtag_add_end_state(TAP_IDLE);
 
-       xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dbgrx);
+       xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dbgrx);
 
        bits[0]=3;
        t[0]=0;
@@ -678,11 +673,11 @@ int xscale_send(target_t *target, u8 *buffer, int count, int size)
                        LOG_ERROR("BUG: size neither 4, 2 nor 1");
                        exit(-1);
                }
-               jtag_add_dr_out(xscale->jtag_info.chain_pos,
+               jtag_add_dr_out(xscale->jtag_info.tap,
                                3,
                                bits,
                                t,
-                               TAP_RTI);
+                               TAP_IDLE);
                buffer += size;
        }
 
@@ -725,20 +720,20 @@ int xscale_write_dcsr(target_t *target, int hold_rst, int ext_dbg_brk)
        if (ext_dbg_brk != -1)
                xscale->external_debug_break = ext_dbg_brk;
 
-       jtag_add_end_state(TAP_RTI);
-       xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dcsr);
+       jtag_add_end_state(TAP_IDLE);
+       xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dcsr);
 
        buf_set_u32(&field0, 1, 1, xscale->hold_rst);
        buf_set_u32(&field0, 2, 1, xscale->external_debug_break);
 
-       fields[0].device = xscale->jtag_info.chain_pos;
+       fields[0].tap = xscale->jtag_info.tap;
        fields[0].num_bits = 3;
        fields[0].out_value = &field0;
        fields[0].out_mask = NULL;
        fields[0].in_value = NULL;
        jtag_set_check_value(fields+0, &field0_check_value, &field0_check_mask, NULL);
 
-       fields[1].device = xscale->jtag_info.chain_pos;
+       fields[1].tap = xscale->jtag_info.tap;
        fields[1].num_bits = 32;
        fields[1].out_value = xscale->reg_cache->reg_list[XSCALE_DCSR].value;
        fields[1].out_mask = NULL;
@@ -748,9 +743,7 @@ int xscale_write_dcsr(target_t *target, int hold_rst, int ext_dbg_brk)
        fields[1].in_check_value = NULL;
        fields[1].in_check_mask = NULL;
 
-
-
-       fields[2].device = xscale->jtag_info.chain_pos;
+       fields[2].tap = xscale->jtag_info.tap;
        fields[2].num_bits = 1;
        fields[2].out_value = &field2;
        fields[2].out_mask = NULL;
@@ -795,8 +788,8 @@ int xscale_load_ic(target_t *target, int mini, u32 va, u32 buffer[8])
 
        LOG_DEBUG("loading miniIC at 0x%8.8x", va);
 
-       jtag_add_end_state(TAP_RTI);
-       xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.ldic); /* LDIC */
+       jtag_add_end_state(TAP_IDLE);
+       xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.ldic); /* LDIC */
 
        /* CMD is b010 for Main IC and b011 for Mini IC */
        if (mini)
@@ -809,7 +802,7 @@ int xscale_load_ic(target_t *target, int mini, u32 va, u32 buffer[8])
        /* virtual address of desired cache line */
        buf_set_u32(packet, 0, 27, va >> 5);
 
-       fields[0].device = xscale->jtag_info.chain_pos;
+       fields[0].tap = xscale->jtag_info.tap;
        fields[0].num_bits = 6;
        fields[0].out_value = &cmd;
        fields[0].out_mask = NULL;
@@ -819,7 +812,7 @@ int xscale_load_ic(target_t *target, int mini, u32 va, u32 buffer[8])
        fields[0].in_handler = NULL;
        fields[0].in_handler_priv = NULL;
 
-       fields[1].device = xscale->jtag_info.chain_pos;
+       fields[1].tap = xscale->jtag_info.tap;
        fields[1].num_bits = 27;
        fields[1].out_value = packet;
        fields[1].out_mask = NULL;
@@ -858,8 +851,8 @@ int xscale_invalidate_ic_line(target_t *target, u32 va)
 
        scan_field_t fields[2];
 
-       jtag_add_end_state(TAP_RTI);
-       xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.ldic); /* LDIC */
+       jtag_add_end_state(TAP_IDLE);
+       xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.ldic); /* LDIC */
 
        /* CMD for invalidate IC line b000, bits [6:4] b000 */
        buf_set_u32(&cmd, 0, 6, 0x0);
@@ -867,7 +860,7 @@ int xscale_invalidate_ic_line(target_t *target, u32 va)
        /* virtual address of desired cache line */
        buf_set_u32(packet, 0, 27, va >> 5);
 
-       fields[0].device = xscale->jtag_info.chain_pos;
+       fields[0].tap = xscale->jtag_info.tap;
        fields[0].num_bits = 6;
        fields[0].out_value = &cmd;
        fields[0].out_mask = NULL;
@@ -877,7 +870,7 @@ int xscale_invalidate_ic_line(target_t *target, u32 va)
        fields[0].in_handler = NULL;
        fields[0].in_handler_priv = NULL;
 
-       fields[1].device = xscale->jtag_info.chain_pos;
+       fields[1].tap = xscale->jtag_info.tap;
        fields[1].num_bits = 27;
        fields[1].out_value = packet;
        fields[1].out_mask = NULL;
@@ -1596,8 +1589,8 @@ int xscale_assert_reset(target_t *target)
        /* select DCSR instruction (set endstate to R-T-I to ensure we don't
         * end up in T-L-R, which would reset JTAG
         */
-       jtag_add_end_state(TAP_RTI);
-       xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dcsr);
+       jtag_add_end_state(TAP_IDLE);
+       xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dcsr);
 
        /* set Hold reset, Halt mode and Trap Reset */
        buf_set_u32(xscale->reg_cache->reg_list[XSCALE_DCSR].value, 30, 1, 0x1);
@@ -1605,7 +1598,7 @@ int xscale_assert_reset(target_t *target)
        xscale_write_dcsr(target, 1, 0);
 
        /* select BYPASS, because having DCSR selected caused problems on the PXA27x */
-       xscale_jtag_set_instr(xscale->jtag_info.chain_pos, 0x7f);
+       xscale_jtag_set_instr(xscale->jtag_info.tap, 0x7f);
        jtag_execute_queue();
 
        /* assert reset */
@@ -1619,7 +1612,7 @@ int xscale_assert_reset(target_t *target)
 
     if (target->reset_halt)
     {
-       int retval;
+       int retval;
                if ((retval = target_halt(target))!=ERROR_OK)
                        return retval;
     }
@@ -1670,7 +1663,7 @@ int xscale_deassert_reset(target_t *target)
                /* wait 300ms; 150 and 100ms were not enough */
                jtag_add_sleep(300*1000);
 
-               jtag_add_runtest(2030, TAP_RTI);
+               jtag_add_runtest(2030, TAP_IDLE);
                jtag_execute_queue();
 
                /* set Hold reset, Halt mode and Trap Reset */
@@ -1717,7 +1710,7 @@ int xscale_deassert_reset(target_t *target)
 
                        for (; buf_cnt < 32; buf_cnt += 4)
                        {
-                                       cache_line[buf_cnt / 4] = 0xe1a08008;
+                               cache_line[buf_cnt / 4] = 0xe1a08008;
                        }
 
                        /* only load addresses other than the reset vectors */
@@ -1733,7 +1726,7 @@ int xscale_deassert_reset(target_t *target)
                xscale_load_ic(target, 1, 0x0, xscale->low_vectors);
                xscale_load_ic(target, 1, 0xffff0000, xscale->high_vectors);
 
-               jtag_add_runtest(30, TAP_RTI);
+               jtag_add_runtest(30, TAP_IDLE);
 
                jtag_add_sleep(100000);
 
@@ -1765,19 +1758,16 @@ int xscale_deassert_reset(target_t *target)
                jtag_add_reset(0, 0);
        }
 
-
        return ERROR_OK;
 }
 
 int xscale_soft_reset_halt(struct target_s *target)
 {
-
        return ERROR_OK;
 }
 
 int xscale_read_core_reg(struct target_s *target, int num, enum armv4_5_mode mode)
 {
-
        return ERROR_OK;
 }
 
@@ -2242,7 +2232,6 @@ int xscale_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
        }
 
        return ERROR_OK;
-
 }
 
 int xscale_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
@@ -2261,10 +2250,6 @@ int xscale_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
                LOG_INFO("no breakpoint unit available for hardware breakpoint");
                return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
        }
-       else
-       {
-               xscale->ibcr_available--;
-       }
 
        if ((breakpoint->length != 2) && (breakpoint->length != 4))
        {
@@ -2272,6 +2257,11 @@ int xscale_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
                return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
        }
 
+       if (breakpoint->type == BKPT_HARD)
+       {
+               xscale->ibcr_available--;
+       }
+
        return ERROR_OK;
 }
 
@@ -3039,11 +3029,10 @@ int xscale_init_target(struct command_context_s *cmd_ctx, struct target_s *targe
 
 int xscale_quit(void)
 {
-
        return ERROR_OK;
 }
 
-int xscale_init_arch_info(target_t *target, xscale_common_t *xscale, int chain_pos, const char *variant)
+int xscale_init_arch_info(target_t *target, xscale_common_t *xscale, jtag_tap_t *tap, const char *variant)
 {
        armv4_5_common_t *armv4_5;
        u32 high_reset_branch, low_reset_branch;
@@ -3059,7 +3048,7 @@ int xscale_init_arch_info(target_t *target, xscale_common_t *xscale, int chain_p
        xscale->variant = strdup(variant);
 
        /* prepare JTAG information for the new target */
-       xscale->jtag_info.chain_pos = chain_pos;
+       xscale->jtag_info.tap = tap;
 
        xscale->jtag_info.dbgrx = 0x02;
        xscale->jtag_info.dbgtx = 0x10;
@@ -3156,7 +3145,7 @@ int xscale_target_create(struct target_s *target, Jim_Interp *interp)
 {
        xscale_common_t *xscale = calloc(1,sizeof(xscale_common_t));
 
-       xscale_init_arch_info(target, xscale, target->chain_position, target->variant);
+       xscale_init_arch_info(target, xscale, target->tap, target->variant);
        xscale_build_reg_cache(target);
 
        return ERROR_OK;
@@ -3265,7 +3254,6 @@ static int xscale_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
        int domain;
        u32 ap;
 
-
        if ((retval = xscale_get_arch_pointers(target, &armv4_5, &xscale)) != ERROR_OK)
        {
                return retval;
@@ -3293,7 +3281,6 @@ static int xscale_mmu(struct target_s *target, int *enabled)
        return ERROR_OK;
 }
 
-
 int xscale_handle_mmu_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
 {
        target_t *target = get_current_target(cmd_ctx);
@@ -3379,7 +3366,7 @@ int xscale_handle_idcache_command(command_context_t *cmd_ctx, char *cmd, char **
                command_print(cmd_ctx, "icache %s", (xscale->armv4_5_mmu.armv4_5_cache.i_cache_enabled) ? "enabled" : "disabled");
 
        if (dcache)
-               command_print(cmd_ctx, "dcache %s", (xscale->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled) ? "enabled" : "disabled");
+               command_print(cmd_ctx, "dcache %s", (xscale->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled) ? "enabled" : "disabled");
 
        return ERROR_OK;
 }
@@ -3719,7 +3706,7 @@ int xscale_register_commands(struct command_context_s *cmd_ctx)
        register_command(cmd_ctx, xscale_cmd, "icache", xscale_handle_idcache_command, COMMAND_EXEC, "['enable'|'disable'] the ICache");
        register_command(cmd_ctx, xscale_cmd, "dcache", xscale_handle_idcache_command, COMMAND_EXEC, "['enable'|'disable'] the DCache");
 
-       register_command(cmd_ctx, xscale_cmd, "vector_catch", xscale_handle_idcache_command, COMMAND_EXEC, "<mask> of vectors that should be catched");
+       register_command(cmd_ctx, xscale_cmd, "vector_catch", xscale_handle_vector_catch_command, COMMAND_EXEC, "<mask> of vectors that should be catched");
 
        register_command(cmd_ctx, xscale_cmd, "trace_buffer", xscale_handle_trace_buffer_command, COMMAND_EXEC, "<enable|disable> ['fill' [n]|'wrap']");
 

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