From 7ccd53bdde3f3a2fbd957f8b75f38125468c199f Mon Sep 17 00:00:00 2001 From: Salvador Arroyo Date: Mon, 20 Feb 2017 23:48:40 +0100 Subject: [PATCH] mips32, homogenize code in the scan functions Change-Id: I32fed3332857737048dd12da94fcaba140acb726 Signed-off-by: Salvador Arroyo Reviewed-on: http://openocd.zylin.com/4006 Tested-by: jenkins Reviewed-by: Freddie Chopin --- src/target/mips_ejtag.c | 33 ++++++++++++++++----------------- src/target/mips_ejtag.h | 3 +-- 2 files changed, 17 insertions(+), 19 deletions(-) diff --git a/src/target/mips_ejtag.c b/src/target/mips_ejtag.c index ebf0d73d..1fbdf3ce 100644 --- a/src/target/mips_ejtag.c +++ b/src/target/mips_ejtag.c @@ -28,20 +28,20 @@ #include "mips_ejtag.h" #include "mips32_dmaacc.h" -void mips_ejtag_set_instr(struct mips_ejtag *ejtag_info, int new_instr) +void mips_ejtag_set_instr(struct mips_ejtag *ejtag_info, uint32_t new_instr) { - struct jtag_tap *tap; + assert(ejtag_info->tap != NULL); + struct jtag_tap *tap = ejtag_info->tap; - tap = ejtag_info->tap; - assert(tap != NULL); + if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr) { - if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != (uint32_t)new_instr) { struct scan_field field; - uint8_t t[4]; - field.num_bits = tap->ir_length; + + uint8_t t[4]; field.out_value = t; buf_set_u32(t, 0, field.num_bits, new_instr); + field.in_value = NULL; jtag_add_ir_scan(tap, &field, TAP_IDLE); @@ -182,13 +182,12 @@ int mips_ejtag_drscan_8(struct mips_ejtag *ejtag_info, uint8_t *data) void mips_ejtag_drscan_8_out(struct mips_ejtag *ejtag_info, uint8_t data) { - struct jtag_tap *tap; - tap = ejtag_info->tap; - assert(tap != NULL); + assert(ejtag_info->tap != NULL); + struct jtag_tap *tap = ejtag_info->tap; struct scan_field field; - field.num_bits = 8; + field.out_value = &data; field.in_value = NULL; @@ -427,22 +426,22 @@ int mips_ejtag_init(struct mips_ejtag *ejtag_info) int mips_ejtag_fastdata_scan(struct mips_ejtag *ejtag_info, int write_t, uint32_t *data) { - struct jtag_tap *tap; - - tap = ejtag_info->tap; - assert(tap != NULL); + assert(ejtag_info->tap != NULL); + struct jtag_tap *tap = ejtag_info->tap; struct scan_field fields[2]; - uint8_t spracc = 0; - uint8_t t[4] = {0, 0, 0, 0}; /* fastdata 1-bit register */ fields[0].num_bits = 1; + + uint8_t spracc = 0; fields[0].out_value = &spracc; fields[0].in_value = NULL; /* processor access data register 32 bit */ fields[1].num_bits = 32; + + uint8_t t[4] = {0, 0, 0, 0}; fields[1].out_value = t; if (write_t) { diff --git a/src/target/mips_ejtag.h b/src/target/mips_ejtag.h index 2178afc6..3043df90 100644 --- a/src/target/mips_ejtag.h +++ b/src/target/mips_ejtag.h @@ -210,8 +210,7 @@ struct mips_ejtag { uint32_t ejtag_dba_step_size; /* size of step till next *DBAn register. */ }; -void mips_ejtag_set_instr(struct mips_ejtag *ejtag_info, - int new_instr); +void mips_ejtag_set_instr(struct mips_ejtag *ejtag_info, uint32_t new_instr); int mips_ejtag_enter_debug(struct mips_ejtag *ejtag_info); int mips_ejtag_exit_debug(struct mips_ejtag *ejtag_info); int mips_ejtag_get_idcode(struct mips_ejtag *ejtag_info, uint32_t *idcode); -- 2.39.5