X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Farm7tdmi.c;h=aac1fef6aced2e266700c74307c1c2f02423380a;hp=c20594983d0a8416e426b3adabc68a758e9d7515;hb=7e546bb91fe663461bf4a3d85380807c3659cee2;hpb=b6f268c113521557889aa253e2dd7218507e20d9 diff --git a/src/target/arm7tdmi.c b/src/target/arm7tdmi.c index c20594983d..aac1fef6ac 100644 --- a/src/target/arm7tdmi.c +++ b/src/target/arm7tdmi.c @@ -5,6 +5,9 @@ * Copyright (C) 2008 by Spencer Oliver * * spen@spen-soft.co.uk * * * + * Copyright (C) 2007,2008 Øyvind Harboe * + * oyvind.harboe@zylin.com * + * * * 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 * @@ -111,22 +114,14 @@ int arm7tdmi_examine_debug_reason(target_t *target) fields[0].tap = arm7_9->jtag_info.tap; fields[0].num_bits = 1; fields[0].out_value = NULL; - fields[0].out_mask = NULL; fields[0].in_value = &breakpoint; - 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].tap = arm7_9->jtag_info.tap; fields[1].num_bits = 32; fields[1].out_value = NULL; - fields[1].out_mask = NULL; fields[1].in_value = databus; - fields[1].in_check_value = NULL; - fields[1].in_check_mask = NULL; fields[1].in_handler = NULL; - fields[1].in_handler_priv = NULL; if((retval = arm_jtag_scann(&arm7_9->jtag_info, 0x1)) != ERROR_OK) { @@ -198,24 +193,23 @@ int arm7tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *in) fields[0].tap = jtag_info->tap; fields[0].num_bits = 1; fields[0].out_value = NULL; - 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].tap = jtag_info->tap; fields[1].num_bits = 32; fields[1].out_value = NULL; - fields[1].out_mask = NULL; - fields[1].in_value = NULL; - fields[1].in_handler = arm_jtag_buf_to_u32_flip; /* deprecated! invoke this from user code! */ - fields[1].in_handler_priv = in; - fields[1].in_check_value = NULL; - fields[1].in_check_mask = NULL; + u8 tmp[4]; + fields[1].in_value = tmp; + fields[1].in_handler = NULL; + + jtag_add_dr_scan_now(2, fields, TAP_INVALID); - jtag_add_dr_scan(2, fields, TAP_INVALID); + if (jtag_error==ERROR_OK) + { + *in=flip_u32(le_to_h_u32(tmp), 32); + } jtag_add_runtest(0, TAP_INVALID); @@ -240,6 +234,36 @@ int arm7tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *in) return ERROR_OK; } +void arm_endianness(u8 *tmp, void *in, int size, int be) +{ + u32 readback=flip_u32(le_to_h_u32(tmp), 32); + switch (size) + { + case 4: + if (be) + { + h_u32_to_be(((u8*)in), readback); + } else + { + h_u32_to_le(((u8*)in), readback); + } + break; + case 2: + if (be) + { + h_u16_to_be(((u8*)in), readback & 0xffff); + } else + { + h_u16_to_le(((u8*)in), readback & 0xffff); + } + break; + case 1: + *((u8 *)in)= readback & 0xff; + break; + } + +} + /* clock the target, and read the databus * the *in pointer points to a buffer where elements of 'size' bytes * are stored in big (be==1) or little (be==0) endianness @@ -259,35 +283,19 @@ int arm7tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size, fields[0].tap = jtag_info->tap; fields[0].num_bits = 1; fields[0].out_value = NULL; - 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].tap = jtag_info->tap; fields[1].num_bits = 32; fields[1].out_value = NULL; - fields[1].out_mask = NULL; - fields[1].in_value = NULL; - switch (size) - { - case 4: - fields[1].in_handler = (be) ? arm_jtag_buf_to_be32_flip : arm_jtag_buf_to_le32_flip; /* deprecated! invoke this from user code! */ - break; - case 2: - fields[1].in_handler = (be) ? arm_jtag_buf_to_be16_flip : arm_jtag_buf_to_le16_flip; /* deprecated! invoke this from user code! */ - break; - case 1: - fields[1].in_handler = arm_jtag_buf_to_8_flip; /* deprecated! invoke this from user code! */ - break; - } - fields[1].in_handler_priv = in; - fields[1].in_check_value = NULL; - fields[1].in_check_mask = NULL; + u8 tmp[4]; + fields[1].in_value = tmp; + fields[1].in_handler = NULL; + + jtag_add_dr_scan_now(2, fields, TAP_INVALID); - jtag_add_dr_scan(2, fields, TAP_INVALID); + arm_endianness(tmp, in, size, be); jtag_add_runtest(0, TAP_INVALID);