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-rw-r--r--src/target/dsp563xx.c1128
-rw-r--r--src/target/dsp563xx.h18
-rw-r--r--src/target/dsp563xx_once.c313
-rw-r--r--src/target/dsp563xx_once.h28
4 files changed, 1025 insertions, 462 deletions
diff --git a/src/target/dsp563xx.c b/src/target/dsp563xx.c
index 10fd014d..85d559a0 100644
--- a/src/target/dsp563xx.c
+++ b/src/target/dsp563xx.c
@@ -1,5 +1,5 @@
/***************************************************************************
- * Copyright (C) 2009 by Mathias Kuester *
+ * Copyright (C) 2009-2011 by Mathias Kuester *
* mkdorg@users.sourceforge.net *
* *
* This program is free software; you can redistribute it and/or modify *
@@ -29,37 +29,7 @@
#include "dsp563xx.h"
#include "dsp563xx_once.h"
-#define DSP563XX_JTAG_INS_LEN 4
-
-#define JTAG_STATUS_NORMAL 0x01
-#define JTAG_STATUS_STOPWAIT 0x05
-#define JTAG_STATUS_BUSY 0x09
-#define JTAG_STATUS_DEBUG 0x0d
-
-#define JTAG_INSTR_EXTEST 0x00
-#define JTAG_INSTR_SAMPLE_PRELOAD 0x01
-#define JTAG_INSTR_IDCODE 0x02
-#define JTAG_INSTR_CLAMP 0x03
-#define JTAG_INSTR_HIZ 0x04
-#define JTAG_INSTR_ENABLE_ONCE 0x06
-#define JTAG_INSTR_DEBUG_REQUEST 0x07
-#define JTAG_INSTR_BYPASS 0x0F
-
-/* forward declarations */
-static int dsp563xx_write_ir_u8(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out,
- int ir_len, int rti);
-
-/* IR and DR functions */
-static int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out);
-
-#define ASM_REG_R_R0 0x607000
-#define ASM_REG_R_R1 0x617000
-#define ASM_REG_R_R2 0x627000
-#define ASM_REG_R_R3 0x637000
-#define ASM_REG_R_R4 0x647000
-#define ASM_REG_R_R5 0x657000
-#define ASM_REG_R_R6 0x667000
-#define ASM_REG_R_R7 0x677000
+//#define DSP563XX_JTAG_INS_LEN 4
#define ASM_REG_W_R0 0x60F400
#define ASM_REG_W_R1 0x61F400
@@ -70,15 +40,6 @@ static int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t * ir_in, uint8_
#define ASM_REG_W_R6 0x66F400
#define ASM_REG_W_R7 0x67F400
-#define ASM_REG_R_N0 0x707000
-#define ASM_REG_R_N1 0x717000
-#define ASM_REG_R_N2 0x727000
-#define ASM_REG_R_N3 0x737000
-#define ASM_REG_R_N4 0x747000
-#define ASM_REG_R_N5 0x757000
-#define ASM_REG_R_N6 0x767000
-#define ASM_REG_R_N7 0x777000
-
#define ASM_REG_W_N0 0x70F400
#define ASM_REG_W_N1 0x71F400
#define ASM_REG_W_N2 0x72F400
@@ -88,15 +49,6 @@ static int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t * ir_in, uint8_
#define ASM_REG_W_N6 0x76F400
#define ASM_REG_W_N7 0x77F400
-#define ASM_REG_R_M0 0x057020 /* control register m[0..7] */
-#define ASM_REG_R_M1 0x057021
-#define ASM_REG_R_M2 0x057022
-#define ASM_REG_R_M3 0x057023
-#define ASM_REG_R_M4 0x057024
-#define ASM_REG_R_M5 0x057025
-#define ASM_REG_R_M6 0x057026
-#define ASM_REG_R_M7 0x057027
-
#define ASM_REG_W_M0 0x05F420
#define ASM_REG_W_M1 0x05F421
#define ASM_REG_W_M2 0x05F422
@@ -106,132 +58,185 @@ static int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t * ir_in, uint8_
#define ASM_REG_W_M6 0x05F426
#define ASM_REG_W_M7 0x05F427
-#define ASM_REG_R_X0 0x447000
-#define ASM_REG_R_X1 0x457000
-
#define ASM_REG_W_X0 0x44F400
#define ASM_REG_W_X1 0x45F400
-#define ASM_REG_R_Y0 0x467000
-#define ASM_REG_R_Y1 0x477000
-
#define ASM_REG_W_Y0 0x46F400
#define ASM_REG_W_Y1 0x47F400
-#define ASM_REG_R_A0 0x507000
-#define ASM_REG_R_A1 0x547000
-#define ASM_REG_R_A2 0x527000
-
#define ASM_REG_W_A0 0x50F400
#define ASM_REG_W_A1 0x54F400
#define ASM_REG_W_A2 0x52F400
-#define ASM_REG_R_B0 0x517000
-#define ASM_REG_R_B1 0x557000
-#define ASM_REG_R_B2 0x537000
-
#define ASM_REG_W_B0 0x51F400
#define ASM_REG_W_B1 0x55F400
#define ASM_REG_W_B2 0x53F400
-#define ASM_REG_R_VBA 0x057030 /* control register */
#define ASM_REG_W_VBA 0x05F430
-
-#define ASM_REG_R_OMR 0x05703A /* control register */
#define ASM_REG_W_OMR 0x05F43A
-
-#define ASM_REG_R_EP 0x05702A
#define ASM_REG_W_EP 0x05F42A
-
-#define ASM_REG_R_SC 0x057031 /* stack counter */
#define ASM_REG_W_SC 0x05F431
-
-#define ASM_REG_R_SZ 0x057038 /* stack size */
#define ASM_REG_W_SZ 0x05F438
-
-#define ASM_REG_R_SR 0x057039 /* control register, status register */
#define ASM_REG_W_SR 0x05F439
-
-#define ASM_REG_R_SP 0x05703B /* control register, stack pointer */
#define ASM_REG_W_SP 0x05F43B
-
-#define ASM_REG_R_SSH 0x05703C /* control register, system stack high */
-#define ASM_REG_W_SSH 0x05743C
-
-#define ASM_REG_R_SSL 0x05703D /* control register, system stack low */
+#define ASM_REG_W_SSH 0x05F43C
#define ASM_REG_W_SSL 0x05F43D
-
-#define ASM_REG_R_LA 0x05703E /* control register, loop address */
#define ASM_REG_W_LA 0x05F43E
-
-#define ASM_REG_R_LC 0x05703F /* control register, loop count */
#define ASM_REG_W_LC 0x05F43F
-
-#define ASM_REG_R_PC 0x000000
#define ASM_REG_W_PC 0x000000
+#define ASM_REG_W_IPRC 0xFFFFFF
+#define ASM_REG_W_IPRP 0xFFFFFE
+
+#define ASM_REG_W_BCR 0xFFFFFB
+#define ASM_REG_W_DCR 0xFFFFFA
+#define ASM_REG_W_AAR0 0xFFFFF9
+#define ASM_REG_W_AAR1 0xFFFFF8
+#define ASM_REG_W_AAR2 0xFFFFF7
+#define ASM_REG_W_AAR3 0xFFFFF6
+
+static struct once_reg once_regs[] = {
+ {0, 0x00, 24, "OSCR", 0},
+ {1, 0x01, 24, "OMBC", 0},
+ {2, 0x02, 24, "OBCR", 0},
+ {3, 0x05, 24, "OMLR0", 0},
+ {4, 0x06, 24, "OMLR1", 0},
+ {5, 0x09, 24, "OGDBR", 0},
+ {6, 0x0a, 24, "OPDBR", 0},
+ {7, 0x0b, 24, "OPILR", 0},
+ {8, 0x0c, 24, "PDB", 0},
+ {9, 0x0d, 24, "OTC", 0},
+ {10, 0x0f, 24, "OPABFR", 0},
+ {11, 0x10, 24, "OPABDR", 0},
+ {12, 0x11, 24, "OPABEX", 0},
+ {13, 0x12, 25, "OPABF0", 0},
+ {14, 0x12, 25, "OPABF1", 0},
+ {15, 0x12, 25, "OPABF2", 0},
+ {16, 0x12, 25, "OPABF3", 0},
+ {17, 0x12, 25, "OPABF4", 0},
+ {18, 0x12, 25, "OPABF5", 0},
+ {19, 0x12, 25, "OPABF6", 0},
+ {20, 0x12, 25, "OPABF7", 0},
+ {21, 0x12, 25, "OPABF8", 0},
+ {22, 0x12, 25, "OPABF9", 0},
+ {23, 0x12, 25, "OPABF10", 0},
+ {24, 0x12, 25, "OPABF11", 0},
+// {25,0x1f,24,"NRSEL",0},
+};
static const struct
{
unsigned id;
const char *name;
unsigned bits;
- uint32_t r_cmd;
- uint32_t w_cmd;
+ /* effective addressing mode encoding */
+ uint8_t eame;
+ uint32_t instr_mask;
} dsp563xx_regs[] =
{
/* *INDENT-OFF* */
- {0, "r0", 24, ASM_REG_R_R0, ASM_REG_W_R0},
- {1, "r1", 24, ASM_REG_R_R1, ASM_REG_W_R1},
- {2, "r2", 24, ASM_REG_R_R2, ASM_REG_W_R2},
- {3, "r3", 24, ASM_REG_R_R3, ASM_REG_W_R3},
- {4, "r4", 24, ASM_REG_R_R4, ASM_REG_W_R4},
- {5, "r5", 24, ASM_REG_R_R5, ASM_REG_W_R5},
- {6, "r6", 24, ASM_REG_R_R6, ASM_REG_W_R6},
- {7, "r7", 24, ASM_REG_R_R7, ASM_REG_W_R7},
- {8, "n0", 24, ASM_REG_R_N0, ASM_REG_W_N0},
- {9, "n1", 24, ASM_REG_R_N1, ASM_REG_W_N1},
- {10, "n2", 24, ASM_REG_R_N2, ASM_REG_W_N2},
- {11, "n3", 24, ASM_REG_R_N3, ASM_REG_W_N3},
- {12, "n4", 24, ASM_REG_R_N4, ASM_REG_W_N4},
- {13, "n5", 24, ASM_REG_R_N5, ASM_REG_W_N5},
- {14, "n6", 24, ASM_REG_R_N6, ASM_REG_W_N6},
- {15, "n7", 24, ASM_REG_R_N7, ASM_REG_W_N7},
- {16, "m0", 24, ASM_REG_R_M0, ASM_REG_W_M0},
- {17, "m1", 24, ASM_REG_R_M1, ASM_REG_W_M1},
- {18, "m2", 24, ASM_REG_R_M2, ASM_REG_W_M2},
- {19, "m3", 24, ASM_REG_R_M3, ASM_REG_W_M3},
- {20, "m4", 24, ASM_REG_R_M4, ASM_REG_W_M4},
- {21, "m5", 24, ASM_REG_R_M5, ASM_REG_W_M5},
- {22, "m6", 24, ASM_REG_R_M6, ASM_REG_W_M6},
- {23, "m7", 24, ASM_REG_R_M7, ASM_REG_W_M7},
- {24, "x0", 24, ASM_REG_R_X0, ASM_REG_W_X0},
- {25, "x1", 24, ASM_REG_R_X1, ASM_REG_W_X1},
- {26, "y0", 24, ASM_REG_R_Y0, ASM_REG_W_Y0},
- {27, "y1", 24, ASM_REG_R_Y1, ASM_REG_W_Y1},
- {28, "a0", 24, ASM_REG_R_A0, ASM_REG_W_A0},
- {29, "a1", 24, ASM_REG_R_A1, ASM_REG_W_A1},
- {30, "a2", 8, ASM_REG_R_A2, ASM_REG_W_A2},
- {31, "b0", 24, ASM_REG_R_B0, ASM_REG_W_B0},
- {32, "b1", 24, ASM_REG_R_B1, ASM_REG_W_B1},
- {33, "b2", 8, ASM_REG_R_B2, ASM_REG_W_B2},
- {34, "omr", 24, ASM_REG_R_OMR, ASM_REG_W_OMR},
- {35, "vba", 24, ASM_REG_R_VBA, ASM_REG_W_VBA},
- {36, "ep", 24, ASM_REG_R_EP, ASM_REG_W_EP},
- {37, "sc", 24, ASM_REG_R_SC, ASM_REG_W_SC},
- {38, "sz", 24, ASM_REG_R_SZ, ASM_REG_W_SZ},
- {39, "sr", 24, ASM_REG_R_SR, ASM_REG_W_SR},
- {40, "sp", 24, ASM_REG_R_SP, ASM_REG_W_SP},
- {41, "la", 24, ASM_REG_R_LA, ASM_REG_W_LA},
- {42, "lc", 24, ASM_REG_R_LC, ASM_REG_W_LC},
- {43, "pc", 24, ASM_REG_R_PC, ASM_REG_W_PC}
+ /* address registers */
+ { 0, "r0", 24, 0x10, ASM_REG_W_R0},
+ { 1, "r1", 24, 0x11, ASM_REG_W_R1},
+ { 2, "r2", 24, 0x12, ASM_REG_W_R2},
+ { 3, "r3", 24, 0x13, ASM_REG_W_R3},
+ { 4, "r4", 24, 0x14, ASM_REG_W_R4},
+ { 5, "r5", 24, 0x15, ASM_REG_W_R5},
+ { 6, "r6", 24, 0x16, ASM_REG_W_R6},
+ { 7, "r7", 24, 0x17, ASM_REG_W_R7},
+ /* offset registers */
+ { 8, "n0", 24, 0x18, ASM_REG_W_N0},
+ { 9, "n1", 24, 0x19, ASM_REG_W_N1},
+ {10, "n2", 24, 0x1a, ASM_REG_W_N2},
+ {11, "n3", 24, 0x1b, ASM_REG_W_N3},
+ {12, "n4", 24, 0x1c, ASM_REG_W_N4},
+ {13, "n5", 24, 0x1d, ASM_REG_W_N5},
+ {14, "n6", 24, 0x1e, ASM_REG_W_N6},
+ {15, "n7", 24, 0x1f, ASM_REG_W_N7},
+ /* modifier registers */
+ {16, "m0", 24, 0x20, ASM_REG_W_M0},
+ {17, "m1", 24, 0x21, ASM_REG_W_M1},
+ {18, "m2", 24, 0x22, ASM_REG_W_M2},
+ {19, "m3", 24, 0x23, ASM_REG_W_M3},
+ {20, "m4", 24, 0x24, ASM_REG_W_M4},
+ {21, "m5", 24, 0x25, ASM_REG_W_M5},
+ {22, "m6", 24, 0x26, ASM_REG_W_M6},
+ {23, "m7", 24, 0x27, ASM_REG_W_M7},
+ /* data alu input register */
+ {24, "x0", 24, 0x04, ASM_REG_W_X0},
+ {25, "x1", 24, 0x05, ASM_REG_W_X1},
+ {26, "y0", 24, 0x06, ASM_REG_W_Y0},
+ {27, "y1", 24, 0x07, ASM_REG_W_Y1},
+ /* data alu accumulator register */
+ {28, "a0", 24, 0x08, ASM_REG_W_A0},
+ {29, "a1", 24, 0x0c, ASM_REG_W_A1},
+ {30, "a2", 8, 0x0a, ASM_REG_W_A2},
+ {31, "b0", 24, 0x09, ASM_REG_W_B0},
+ {32, "b1", 24, 0x0d, ASM_REG_W_B1},
+ {33, "b2", 8, 0x0b, ASM_REG_W_B2},
+ /* stack */
+ {34, "ssh",24, 0x3c, ASM_REG_W_SSH},
+ {35, "ssl",24, 0x3d, ASM_REG_W_SSL},
+ {36, "sp", 24, 0x3b, ASM_REG_W_SP},
+ {37, "ep", 24, 0x2a, ASM_REG_W_EP},
+ {38, "sz", 24, 0x38, ASM_REG_W_SZ},
+ {39, "sc", 24, 0x31, ASM_REG_W_SC},
+ /* system */
+ {40, "pc", 24, 0x00, ASM_REG_W_PC},
+ {41, "sr", 24, 0x39, ASM_REG_W_SR},
+ {42, "omr",24, 0x3a, ASM_REG_W_OMR},
+ {43, "la", 24, 0x3e, ASM_REG_W_LA},
+ {44, "lc", 24, 0x3f, ASM_REG_W_LC},
+ /* interrupt */
+ {45, "vba", 24, 0x30, ASM_REG_W_VBA},
+ {46, "iprc",24, 0x00, ASM_REG_W_IPRC},
+ {47, "iprp",24, 0x00, ASM_REG_W_IPRP},
+ /* port a */
+ {48, "bcr", 24, 0x00, ASM_REG_W_BCR},
+ {49, "dcr", 24, 0x00, ASM_REG_W_DCR},
+ {50, "aar0",24, 0x00, ASM_REG_W_AAR0},
+ {51, "aar1",24, 0x00, ASM_REG_W_AAR1},
+ {52, "aar2",24, 0x00, ASM_REG_W_AAR2},
+ {53, "aar3",24, 0x00, ASM_REG_W_AAR3},
/* *INDENT-ON* */
};
-static int dsp563xx_get_gdb_reg_list(struct target *target, struct reg **reg_list[],
- int *reg_list_size)
+#define REG_NUM_R0 0
+#define REG_NUM_N0 8
+#define REG_NUM_N1 9
+#define REG_NUM_M0 16
+#define REG_NUM_M1 17
+#define REG_NUM_SSH 34
+#define REG_NUM_SSL 35
+#define REG_NUM_SP 36
+#define REG_NUM_EP 37
+#define REG_NUM_SC 39
+#define REG_NUM_PC 40
+#define REG_NUM_SR 41
+#define REG_NUM_IPRC 46
+#define REG_NUM_IPRP 47
+#define REG_NUM_BCR 48
+#define REG_NUM_DCR 49
+#define REG_NUM_AAR0 50
+#define REG_NUM_AAR1 51
+#define REG_NUM_AAR2 52
+#define REG_NUM_AAR3 53
+
+#define INSTR_JUMP 0x0AF080
+/* Effective Addressing Mode Encoding */
+#define EAME_R0 0x10
+/* instrcution encoder */
+/* movep
+ * s - peripheral space X/Y (X=0,Y=1)
+ * w - write/read
+ * d - source/destination register
+ * p - IO short address
+ */
+#define INSTR_MOVEP_REG_HIO(s,w,d,p) (0x084000 | ((s & 1)<<16) | ((w&1)<<15) | ((d & 0x3f)<<8) | (p & 0x3f))
+
+static int dsp563xx_get_gdb_reg_list(struct target *target, struct reg **reg_list[], int *reg_list_size)
{
- struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
int i;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
if (target->state != TARGET_HALTED)
{
@@ -241,6 +246,9 @@ static int dsp563xx_get_gdb_reg_list(struct target *target, struct reg **reg_lis
*reg_list_size = DSP563XX_NUMCOREREGS;
*reg_list = malloc(sizeof(struct reg *) * (*reg_list_size));
+ if (!*reg_list)
+ return ERROR_INVALID_ARGUMENTS;
+
for (i = 0; i < DSP563XX_NUMCOREREGS; i++)
{
(*reg_list)[i] = &dsp563xx->core_cache->reg_list[i];
@@ -290,6 +298,9 @@ static int dsp563xx_target_create(struct target *target, Jim_Interp * interp)
{
struct dsp563xx_common *dsp563xx = calloc(1, sizeof(struct dsp563xx_common));
+ if (!dsp563xx)
+ return ERROR_INVALID_ARGUMENTS;
+
dsp563xx->jtag_info.tap = target->tap;
target->arch_info = dsp563xx;
dsp563xx->read_core_reg = dsp563xx_read_core_reg;
@@ -300,22 +311,18 @@ static int dsp563xx_target_create(struct target *target, Jim_Interp * interp)
static int dsp563xx_get_core_reg(struct reg *reg)
{
- int retval = 0;
-
- LOG_DEBUG("%s", __FUNCTION__);
-
struct dsp563xx_core_reg *dsp563xx_reg = reg->arch_info;
struct target *target = dsp563xx_reg->target;
struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+ LOG_DEBUG("%s", __FUNCTION__);
+
if (target->state != TARGET_HALTED)
{
return ERROR_TARGET_NOT_HALTED;
}
- retval = dsp563xx->read_core_reg(target, dsp563xx_reg->num);
-
- return retval;
+ return dsp563xx->read_core_reg(target, dsp563xx_reg->num);
}
static int dsp563xx_set_core_reg(struct reg *reg, uint8_t * buf)
@@ -338,58 +345,366 @@ static int dsp563xx_set_core_reg(struct reg *reg, uint8_t * buf)
return ERROR_OK;
}
-static int dsp563xx_save_context(struct target *target)
+static int dsp563xx_read_register(struct target *target, int num, int force);
+static int dsp563xx_write_register(struct target *target, int num, int force);
+
+static int dsp563xx_reg_read_high_io(struct target *target, uint32_t instr_mask, uint32_t * data)
{
- int i;
- uint32_t data = 0;
+ int err;
+ uint32_t instr;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+
+ /* we use r0 to store temporary data */
+ if (!dsp563xx->core_cache->reg_list[REG_NUM_R0].valid)
+ dsp563xx->read_core_reg(target, REG_NUM_R0);
+
+ /* move source memory to r0 */
+ instr = INSTR_MOVEP_REG_HIO(0, 0, EAME_R0, instr_mask);
+ if ((err = dsp563xx_once_execute_sw_ir_nq(target->tap, instr)) != ERROR_OK)
+ return err;
+ /* move r0 to debug register */
+ instr = INSTR_MOVEP_REG_HIO(0, 1, EAME_R0, 0xfffffc);
+ if ((err = dsp563xx_once_execute_sw_ir(target->tap, instr)) != ERROR_OK)
+ return err;
+ /* read debug register */
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OGDBR, data)) != ERROR_OK)
+ return err;
+ /* r0 is no longer valid on target */
+ dsp563xx->core_cache->reg_list[REG_NUM_R0].dirty = 1;
+
+ return ERROR_OK;
+}
+
+static int dsp563xx_reg_write_high_io(struct target *target, uint32_t instr_mask, uint32_t data)
+{
+ int err;
+ uint32_t instr;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+
+ /* we use r0 to store temporary data */
+ if (!dsp563xx->core_cache->reg_list[REG_NUM_R0].valid)
+ dsp563xx->read_core_reg(target, REG_NUM_R0);
+
+ /* move data to r0 */
+ if ((err = dsp563xx_once_execute_dw_ir_nq(target->tap, 0x60F400, data)) != ERROR_OK)
+ return err;
+ /* move r0 to destination memory */
+ instr = INSTR_MOVEP_REG_HIO(0, 1, EAME_R0, instr_mask);
+ if ((err = dsp563xx_once_execute_sw_ir(target->tap, instr)) != ERROR_OK)
+ return err;
+
+ /* r0 is no longer valid on target */
+ dsp563xx->core_cache->reg_list[REG_NUM_R0].dirty = 1;
+
+ return ERROR_OK;
+}
+
+static int dsp563xx_reg_read(struct target *target, uint32_t eame, uint32_t * data)
+{
+ int err;
+ uint32_t instr;
+
+ instr = INSTR_MOVEP_REG_HIO(0, 1, eame, 0xfffffc);
+ if ((err = dsp563xx_once_execute_sw_ir_nq(target->tap, instr)) != ERROR_OK)
+ return err;
+ /* nop */
+ if ((err = dsp563xx_once_execute_sw_ir(target->tap, 0x000000)) != ERROR_OK)
+ return err;
+ /* read debug register */
+ return dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OGDBR, data);
+}
+
+static int dsp563xx_reg_write(struct target *target, uint32_t instr_mask, uint32_t data)
+{
+ int err;
+
+ if ((err = dsp563xx_once_execute_dw_ir_nq(target->tap, instr_mask, data)) != ERROR_OK)
+ return err;
+ /* nop */
+ return dsp563xx_once_execute_sw_ir(target->tap, 0x000000);
+}
+
+static int dsp563xx_reg_pc_read(struct target *target)
+{
+ int err;
+ uint32_t opabdr, opabex;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+
+ /* pc was changed, nothing todo */
+ if (dsp563xx->core_cache->reg_list[REG_NUM_PC].dirty)
+ return ERROR_OK;
+
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPABDR, &opabdr)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPABEX, &opabex)) != ERROR_OK)
+ return err;
+
+ /* conditional branch check */
+ if (opabdr == opabex)
+ {
+ /* TODO: check the trace buffer and if a
+ * conditional branch is detected then decode
+ * the branch command and add the relative
+ * address to the current pc
+ */
+ LOG_DEBUG("%s conditional branch not supported yet", __FUNCTION__);
+ }
+ else
+ {
+ dsp563xx->core_regs[REG_NUM_PC] = opabex;
+ dsp563xx->read_core_reg(target, REG_NUM_PC);
+ }
+
+ return ERROR_OK;
+}
+
+static int dsp563xx_reg_ssh_read(struct target *target)
+{
+ int err;
+ uint32_t sp, sc, ep;
+ struct dsp563xx_core_reg *arch_info;
struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+
+ arch_info = dsp563xx->core_cache->reg_list[REG_NUM_SSH].arch_info;
+
+ /* get a valid stack pointer */
+ if ((err = dsp563xx_read_register(target, REG_NUM_SP, 0)) != ERROR_OK)
+ return err;
+ sp = dsp563xx->core_regs[REG_NUM_SP];
+ if ((err = dsp563xx_write_register(target, REG_NUM_SP, 0)) != ERROR_OK)
+ return err;
+
+ /* get a valid stack count */
+ if ((err = dsp563xx_read_register(target, REG_NUM_SC, 0)) != ERROR_OK)
+ return err;
+ sc = dsp563xx->core_regs[REG_NUM_SC];
+ if ((err = dsp563xx_write_register(target, REG_NUM_SC, 0)) != ERROR_OK)
+ return err;
+
+ /* get a valid extended pointer */
+ if ((err = dsp563xx_read_register(target, REG_NUM_EP, 0)) != ERROR_OK)
+ return err;
+ ep = dsp563xx->core_regs[REG_NUM_EP];
+ if ((err = dsp563xx_write_register(target, REG_NUM_EP, 0)) != ERROR_OK)
+ return err;
+
+ if (!sp)
+ {
+ sp = 0x00FFFFFF;
+ }
+ else
+ {
+ if ((err = dsp563xx_reg_read(target, arch_info->eame, &sp)) != ERROR_OK)
+ return err;
+
+ if ((err = dsp563xx_write_register(target, REG_NUM_SC, 1)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_register(target, REG_NUM_SP, 1)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_register(target, REG_NUM_EP, 1)) != ERROR_OK)
+ return err;
+ }
+
+ dsp563xx->core_regs[REG_NUM_SSH] = sp;
+ dsp563xx->read_core_reg(target, REG_NUM_SSH);
+
+ return ERROR_OK;
+}
+
+static int dsp563xx_reg_ssh_write(struct target *target)
+{
+ int err;
+ uint32_t sp;
struct dsp563xx_core_reg *arch_info;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
- for (i = 0; i < DSP563XX_NUMCOREREGS - 1; i++)
+ arch_info = dsp563xx->core_cache->reg_list[REG_NUM_SSH].arch_info;
+
+ /* get a valid stack pointer */
+ if ((err = dsp563xx_read_register(target, REG_NUM_SP, 0)) != ERROR_OK)
+ return err;
+ sp = dsp563xx->core_regs[REG_NUM_SP];
+
+ if (sp)
{
+ sp--;
+ /* write new stackpointer */
+ dsp563xx->core_regs[REG_NUM_SP] = sp;
+ if ((err = dsp563xx->read_core_reg(target, REG_NUM_SP)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_register(target, REG_NUM_SP, 1)) != ERROR_OK)
+ return err;
+
+ if ((err = dsp563xx_reg_write(target, arch_info->instr_mask, dsp563xx->core_regs[REG_NUM_SSH])) != ERROR_OK)
+ return err;
+
+ if ((err = dsp563xx_read_register(target, REG_NUM_SP, 1)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_read_register(target, REG_NUM_SSH, 1)) != ERROR_OK)
+ return err;
+ }
-// if (!dsp563xx->core_cache->reg_list[i].valid)
- {
- arch_info = dsp563xx->core_cache->reg_list[i].arch_info;
- dsp563xx_once_execute_dw_ir(target->tap, arch_info->r_cmd,
- 0xfffffc);
- dsp563xx_once_execute_sw_ir(target->tap, 0x000000);
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OGDBR,
- &data);
- dsp563xx->core_regs[i] = data;
- dsp563xx->read_core_reg(target, i);
- }
+ return ERROR_OK;
+}
+
+static int dsp563xx_reg_ssl_read(struct target *target)
+{
+ int err;
+ uint32_t sp;
+ struct dsp563xx_core_reg *arch_info;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+
+ arch_info = dsp563xx->core_cache->reg_list[REG_NUM_SSL].arch_info;
+
+ /* get a valid stack pointer */
+ if ((err = dsp563xx_read_register(target, REG_NUM_SP, 0)) != ERROR_OK)
+ return err;
+ sp = dsp563xx->core_regs[REG_NUM_SP];
+
+ if (!sp)
+ {
+ sp = 0x00FFFFFF;
+ }
+ else
+ {
+ if ((err = dsp563xx_reg_read(target, arch_info->eame, &sp)) != ERROR_OK)
+ return err;
}
- /* read pc */
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPABEX, &data);
- dsp563xx->core_regs[i] = data;
- dsp563xx->read_core_reg(target, i);
+ dsp563xx->core_regs[REG_NUM_SSL] = sp;
+ dsp563xx->read_core_reg(target, REG_NUM_SSL);
return ERROR_OK;
}
-static int dsp563xx_restore_context(struct target *target)
+static int dsp563xx_read_register(struct target *target, int num, int force)
{
- int i;
+ int err = ERROR_OK;
+ uint32_t data = 0;
struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
struct dsp563xx_core_reg *arch_info;
- for (i = 0; i < DSP563XX_NUMCOREREGS - 1; i++)
+ if (force)
+ dsp563xx->core_cache->reg_list[num].valid = 0;
+
+ if (!dsp563xx->core_cache->reg_list[num].valid)
{
- if (dsp563xx->core_cache->reg_list[i].dirty)
+ arch_info = dsp563xx->core_cache->reg_list[num].arch_info;
+
+ switch (arch_info->num)
{
- arch_info = dsp563xx->core_cache->reg_list[i].arch_info;
+ case REG_NUM_SSH:
+ err = dsp563xx_reg_ssh_read(target);
+ break;
+ case REG_NUM_SSL:
+ err = dsp563xx_reg_ssl_read(target);
+ break;
+ case REG_NUM_PC:
+ err = dsp563xx_reg_pc_read(target);
+ break;
+ case REG_NUM_IPRC:
+ case REG_NUM_IPRP:
+ case REG_NUM_BCR:
+ case REG_NUM_DCR:
+ case REG_NUM_AAR0:
+ case REG_NUM_AAR1:
+ case REG_NUM_AAR2:
+ case REG_NUM_AAR3:
+ err = dsp563xx_reg_read_high_io(target, arch_info->instr_mask, &data);
+ if (err == ERROR_OK)
+ {
+ dsp563xx->core_regs[num] = data;
+ dsp563xx->read_core_reg(target, num);
+ }
+ break;
+ default:
+ err = dsp563xx_reg_read(target, arch_info->eame, &data);
+ if (err == ERROR_OK)
+ {
+ dsp563xx->core_regs[num] = data;
+ dsp563xx->read_core_reg(target, num);
+ }
+ break;
+ }
+
+ }
- dsp563xx->write_core_reg(target, i);
+ return err;
+}
- dsp563xx_once_execute_dw_ir(target->tap, arch_info->w_cmd,
- dsp563xx->core_regs[i]);
- dsp563xx_once_execute_sw_ir(target->tap, 0x000000);
+static int dsp563xx_write_register(struct target *target, int num, int force)
+{
+ int err = ERROR_OK;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+ struct dsp563xx_core_reg *arch_info;
+
+ if (force)
+ dsp563xx->core_cache->reg_list[num].dirty = 1;
+
+ if (dsp563xx->core_cache->reg_list[num].dirty)
+ {
+ arch_info = dsp563xx->core_cache->reg_list[num].arch_info;
+
+ dsp563xx->write_core_reg(target, num);
+
+ switch (arch_info->num)
+ {
+ case REG_NUM_SSH:
+ err = dsp563xx_reg_ssh_write(target);
+ break;
+ case REG_NUM_PC:
+ /* pc is updated on resume, no need to write it here */
+ break;
+ case REG_NUM_IPRC:
+ case REG_NUM_IPRP:
+ case REG_NUM_BCR:
+ case REG_NUM_DCR:
+ case REG_NUM_AAR0:
+ case REG_NUM_AAR1:
+ case REG_NUM_AAR2:
+ case REG_NUM_AAR3:
+ err = dsp563xx_reg_write_high_io(target, arch_info->instr_mask, dsp563xx->core_regs[num]);
+ break;
+ default:
+ err = dsp563xx_reg_write(target, arch_info->instr_mask, dsp563xx->core_regs[num]);
+
+ if ((err == ERROR_OK) && (arch_info->num == REG_NUM_SP))
+ {
+ dsp563xx->core_cache->reg_list[REG_NUM_SSH].valid = 0;
+ dsp563xx->core_cache->reg_list[REG_NUM_SSL].valid = 0;
+ }
+
+ break;
}
}
- return ERROR_OK;
+ return err;
+}
+
+static int dsp563xx_save_context(struct target *target)
+{
+ int i, err = ERROR_OK;
+
+ for (i = 0; i < DSP563XX_NUMCOREREGS; i++)
+ {
+ if ((err = dsp563xx_read_register(target, i, 0)) != ERROR_OK)
+ break;
+ }
+
+ return err;
+}
+
+static int dsp563xx_restore_context(struct target *target)
+{
+ int i, err = ERROR_OK;
+
+ for (i = 0; i < DSP563XX_NUMCOREREGS; i++)
+ {
+ if ((err = dsp563xx_write_register(target, i, 0)) != ERROR_OK)
+ break;
+ }
+
+ return err;
}
static const struct reg_arch_type dsp563xx_reg_type = {
@@ -405,8 +720,7 @@ static int dsp563xx_init_target(struct command_context *cmd_ctx, struct target *
struct reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache);
struct reg_cache *cache = malloc(sizeof(struct reg_cache));
struct reg *reg_list = malloc(sizeof(struct reg) * DSP563XX_NUMCOREREGS);
- struct dsp563xx_core_reg *arch_info =
- malloc(sizeof(struct dsp563xx_core_reg) * DSP563XX_NUMCOREREGS);
+ struct dsp563xx_core_reg *arch_info = malloc(sizeof(struct dsp563xx_core_reg) * DSP563XX_NUMCOREREGS);
int i;
LOG_DEBUG("%s", __FUNCTION__);
@@ -424,8 +738,8 @@ static int dsp563xx_init_target(struct command_context *cmd_ctx, struct target *
arch_info[i].num = dsp563xx_regs[i].id;
arch_info[i].name = dsp563xx_regs[i].name;
arch_info[i].size = dsp563xx_regs[i].bits;
- arch_info[i].r_cmd = dsp563xx_regs[i].r_cmd;
- arch_info[i].w_cmd = dsp563xx_regs[i].w_cmd;
+ arch_info[i].eame = dsp563xx_regs[i].eame;
+ arch_info[i].instr_mask = dsp563xx_regs[i].instr_mask;
arch_info[i].target = target;
arch_info[i].dsp563xx_common = dsp563xx;
reg_list[i].name = dsp563xx_regs[i].name;
@@ -446,73 +760,121 @@ static int dsp563xx_arch_state(struct target *target)
return ERROR_OK;
}
-static int dsp563xx_jtag_status(struct target *target, uint8_t * status)
+#define DSP563XX_SR_SA (1<<17)
+#define DSP563XX_SR_SC (1<<13)
+
+static int dsp563xx_debug_once_init(struct target *target)
{
- uint8_t ir_in;
+ return dsp563xx_once_read_register(target->tap, once_regs, DSP563XX_NUMONCEREGS);
+}
- ir_in = 0;
+static int dsp563xx_debug_init(struct target *target)
+{
+ int err;
+ uint32_t sr;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+ struct dsp563xx_core_reg *arch_info;
- dsp563xx_jtag_sendinstr(target->tap, &ir_in, JTAG_INSTR_ENABLE_ONCE);
- dsp563xx_execute_queue();
+ if ((err = dsp563xx_debug_once_init(target)) != ERROR_OK)
+ return err;
- *status = ir_in;
+ arch_info = dsp563xx->core_cache->reg_list[REG_NUM_SR].arch_info;
- return ERROR_OK;
-}
+ /* check 24bit mode */
+ if ((err = dsp563xx_read_register(target, REG_NUM_SR, 0)) != ERROR_OK)
+ return err;
-static int dsp563xx_jtag_debug_request(struct target *target)
-{
- uint8_t ir_in = 0;
- uint32_t retry = 0;
+ sr = dsp563xx->core_regs[REG_NUM_SR];
- while (ir_in != JTAG_STATUS_DEBUG)
+ if (sr & (DSP563XX_SR_SA | DSP563XX_SR_SC))
{
- dsp563xx_jtag_sendinstr(target->tap, &ir_in,
- JTAG_INSTR_DEBUG_REQUEST);
- dsp563xx_execute_queue();
- LOG_DEBUG("JTAG CMD 7 res: %02X", ir_in);
- dsp563xx_jtag_sendinstr(target->tap, &ir_in, JTAG_INSTR_ENABLE_ONCE);
- dsp563xx_execute_queue();
- LOG_DEBUG("JTAG CMD 6 res: %02X", ir_in);
+ sr &= ~(DSP563XX_SR_SA | DSP563XX_SR_SC);
- if (retry++ == 100)
- return ERROR_TARGET_FAILURE;
+ if ((err = dsp563xx_once_execute_dw_ir(target->tap, arch_info->instr_mask, sr)) != ERROR_OK)
+ return err;
+ dsp563xx->core_cache->reg_list[REG_NUM_SR].dirty = 1;
}
- if (ir_in != JTAG_STATUS_DEBUG)
+ if ((err = dsp563xx_read_register(target, REG_NUM_N0, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_read_register(target, REG_NUM_N1, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_read_register(target, REG_NUM_M0, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_read_register(target, REG_NUM_M1, 0)) != ERROR_OK)
+ return err;
+
+ if (dsp563xx->core_regs[REG_NUM_N0] != 0x000000)
{
- return ERROR_TARGET_FAILURE;
+ arch_info = dsp563xx->core_cache->reg_list[REG_NUM_N0].arch_info;
+ if ((err = dsp563xx_reg_write(target, arch_info->instr_mask, 0x000000)) != ERROR_OK)
+ return err;
+ }
+ dsp563xx->core_cache->reg_list[REG_NUM_N0].dirty = 1;
+
+ if (dsp563xx->core_regs[REG_NUM_N1] != 0x000000)
+ {
+ arch_info = dsp563xx->core_cache->reg_list[REG_NUM_N1].arch_info;
+ if ((err = dsp563xx_reg_write(target, arch_info->instr_mask, 0x000000)) != ERROR_OK)
+ return err;
+ }
+ dsp563xx->core_cache->reg_list[REG_NUM_N1].dirty = 1;
+
+ if (dsp563xx->core_regs[REG_NUM_M0] != 0xffffff)
+ {
+ arch_info = dsp563xx->core_cache->reg_list[REG_NUM_M0].arch_info;
+ if ((err = dsp563xx_reg_write(target, arch_info->instr_mask, 0xffffff)) != ERROR_OK)
+ return err;
}
+ dsp563xx->core_cache->reg_list[REG_NUM_M0].dirty = 1;
+
+ if (dsp563xx->core_regs[REG_NUM_M1] != 0xffffff)
+ {
+ arch_info = dsp563xx->core_cache->reg_list[REG_NUM_M1].arch_info;
+ if ((err = dsp563xx_reg_write(target, arch_info->instr_mask, 0xffffff)) != ERROR_OK)
+ return err;
+ }
+ dsp563xx->core_cache->reg_list[REG_NUM_M1].dirty = 1;
+
+ if ((err = dsp563xx_save_context(target)) != ERROR_OK)
+ return err;
return ERROR_OK;
}
+static int dsp563xx_jtag_debug_request(struct target *target)
+{
+ return dsp563xx_once_request_debug(target->tap, target->state == TARGET_RESET);
+}
+
static int dsp563xx_poll(struct target *target)
{
- uint8_t jtag_status;
+ int err;
uint32_t once_status;
+ int state;
- dsp563xx_jtag_status(target, &jtag_status);
+ state = dsp563xx_once_target_status(target->tap);
- if ((jtag_status & 1) != 1)
+ if (state == TARGET_UNKNOWN)
{
- target->state = TARGET_UNKNOWN;
- LOG_ERROR
- ("jtag status contains invalid mode value - communication failure");
+ target->state = state;
+ LOG_ERROR("jtag status contains invalid mode value - communication failure");
return ERROR_TARGET_FAILURE;
}
- if (jtag_status != JTAG_STATUS_DEBUG)
- {
- target->state = TARGET_RUNNING;
- }
-
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OSCR, &once_status);
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OSCR, &once_status)) != ERROR_OK)
+ return err;
if ((once_status & DSP563XX_ONCE_OSCR_DEBUG_M) == DSP563XX_ONCE_OSCR_DEBUG_M)
{
- target->state = TARGET_HALTED;
+ if (target->state != TARGET_HALTED)
+ {
+ target->state = TARGET_HALTED;
+ if ((err = dsp563xx_debug_init(target)) != ERROR_OK)
+ return err;
+ LOG_DEBUG("target->state: %s", target_state_name(target));
+ }
}
return ERROR_OK;
@@ -520,8 +882,7 @@ static int dsp563xx_poll(struct target *target)
static int dsp563xx_halt(struct target *target)
{
- uint8_t jtag_status;
- uint32_t once_status;
+ int err;
struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
if (target->state == TARGET_HALTED)
@@ -535,61 +896,48 @@ static int dsp563xx_halt(struct target *target)
LOG_WARNING("target was in unknown state when halt was requested");
}
-// if ( jtag_status != 0x0d )
- {
- dsp563xx_jtag_debug_request(target);
-
- /* store pipeline register */
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPILR,
- &dsp563xx->pipeline_context.once_opilr);
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPDBR,
- &dsp563xx->pipeline_context.once_opdbr);
-
- dsp563xx_save_context(target);
+ if ((err = dsp563xx_jtag_debug_request(target)) != ERROR_OK)
+ return err;
- dsp563xx_jtag_status(target, &jtag_status);
- LOG_DEBUG("%02X", jtag_status);
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OSCR,
- &once_status);
- LOG_DEBUG("%02X", (unsigned) once_status);
- }
-
- LOG_DEBUG("target->state: %s", target_state_name(target));
+ /* store pipeline register */
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPILR, &dsp563xx->pipeline_context.once_opilr)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPDBR, &dsp563xx->pipeline_context.once_opdbr)) != ERROR_OK)
+ return err;
LOG_DEBUG("%s", __FUNCTION__);
return ERROR_OK;
}
-#define DSP563XX_ASM_CMD_JUMP 0x0AF080
-
-static int dsp563xx_resume(struct target *target, int current, uint32_t address,
- int handle_breakpoints, int debug_execution)
+static int dsp563xx_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
{
+ int err;
struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
LOG_DEBUG("%s", __FUNCTION__);
- dsp563xx_restore_context(target);
+ if ((err = dsp563xx_restore_context(target)) != ERROR_OK)
+ return err;
+ register_cache_invalidate(dsp563xx->core_cache);
if (current)
{
/* restore pipeline registers and go */
- dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OPILR,
- dsp563xx->pipeline_context.once_opilr);
- dsp563xx_once_reg_write(target->tap,
- DSP563XX_ONCE_OPDBR | DSP563XX_ONCE_OCR_EX |
- DSP563XX_ONCE_OCR_GO,
- dsp563xx->pipeline_context.once_opdbr);
+ if ((err = dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OPILR, dsp563xx->pipeline_context.once_opilr)) != ERROR_OK)
+ return err;
+ if ((err =
+ dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OPDBR | DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO,
+ dsp563xx->pipeline_context.once_opdbr)) != ERROR_OK)
+ return err;
}
else
{
/* set to go register and jump */
- dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OPDBR,
- DSP563XX_ASM_CMD_JUMP);
- dsp563xx_once_reg_write(target->tap,
- DSP563XX_ONCE_PDBGOTO | DSP563XX_ONCE_OCR_EX
- | DSP563XX_ONCE_OCR_GO, address);
+ if ((err = dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OPDBR, INSTR_JUMP)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_PDBGOTO | DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO, address)) != ERROR_OK)
+ return err;
}
target->state = TARGET_RUNNING;
@@ -597,9 +945,9 @@ static int dsp563xx_resume(struct target *target, int current, uint32_t address,
return ERROR_OK;
}
-static int dsp563xx_step(struct target *target, int current, uint32_t address,
- int handle_breakpoints)
+static int dsp563xx_step_ex(struct target *target, int current, uint32_t address, int handle_breakpoints, int steps)
{
+ int err;
uint32_t once_status;
uint32_t dr_in, cnt;
struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
@@ -612,75 +960,77 @@ static int dsp563xx_step(struct target *target, int current, uint32_t address,
LOG_DEBUG("%s %08X %08X", __FUNCTION__, current, (unsigned) address);
- dsp563xx_jtag_debug_request(target);
-
- dsp563xx_restore_context(target);
+ if ((err = dsp563xx_jtag_debug_request(target)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_restore_context(target)) != ERROR_OK)
+ return err;
/* reset trace mode */
- dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OSCR, 0x000000);
+ if ((err = dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OSCR, 0x000000)) != ERROR_OK)
+ return err;
/* enable trace mode */
- dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OSCR,
- DSP563XX_ONCE_OSCR_TME);
+ if ((err = dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OSCR, DSP563XX_ONCE_OSCR_TME)) != ERROR_OK)
+ return err;
- cnt = 0;
+ cnt = steps;
/* on JUMP we need one extra cycle */
if (!current)
cnt++;
/* load step counter with N-1 */
- dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OTC, cnt);
+ if ((err = dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OTC, cnt)) != ERROR_OK)
+ return err;
if (current)
{
/* restore pipeline registers and go */
- dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OPILR,
- dsp563xx->pipeline_context.once_opilr);
- dsp563xx_once_reg_write(target->tap,
- DSP563XX_ONCE_OPDBR | DSP563XX_ONCE_OCR_EX |
- DSP563XX_ONCE_OCR_GO,
- dsp563xx->pipeline_context.once_opdbr);
+ if ((err = dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OPILR, dsp563xx->pipeline_context.once_opilr)) != ERROR_OK)
+ return err;
+ if ((err =
+ dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OPDBR | DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO,
+ dsp563xx->pipeline_context.once_opdbr)) != ERROR_OK)
+ return err;
}
else
{
/* set to go register and jump */
- dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OPDBR,
- DSP563XX_ASM_CMD_JUMP);
- dsp563xx_once_reg_write(target->tap,
- DSP563XX_ONCE_PDBGOTO | DSP563XX_ONCE_OCR_EX
- | DSP563XX_ONCE_OCR_GO, address);
+ if ((err = dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OPDBR, INSTR_JUMP)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_PDBGOTO | DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO, address)) != ERROR_OK)
+ return err;
}
while (1)
{
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OSCR,
- &once_status);
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OSCR, &once_status)) != ERROR_OK)
+ return err;
if (once_status & DSP563XX_ONCE_OSCR_TO)
{
/* store pipeline register */
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPILR,
- &dsp563xx->pipeline_context.
- once_opilr);
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPDBR,
- &dsp563xx->pipeline_context.
- once_opdbr);
-
- dsp563xx_save_context(target);
-
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPABFR,
- &dr_in);
- LOG_DEBUG("%08X", (unsigned) dr_in);
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPABDR,
- &dr_in);
- LOG_DEBUG("%08X", (unsigned) dr_in);
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPABEX,
- &dr_in);
- LOG_DEBUG("%08X", (unsigned) dr_in);
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPILR, &dsp563xx->pipeline_context.once_opilr)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPDBR, &dsp563xx->pipeline_context.once_opdbr)) != ERROR_OK)
+ return err;
+
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPABFR, &dr_in)) != ERROR_OK)
+ return err;
+ LOG_DEBUG("fetch: %08X", (unsigned) dr_in);
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPABDR, &dr_in)) != ERROR_OK)
+ return err;
+ LOG_DEBUG("decode: %08X", (unsigned) dr_in);
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPABEX, &dr_in)) != ERROR_OK)
+ return err;
+ LOG_DEBUG("execute: %08X", (unsigned) dr_in);
/* reset trace mode */
- dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OSCR,
- 0x000000);
+ if ((err = dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OSCR, 0x000000)) != ERROR_OK)
+ return err;
+
+ register_cache_invalidate(dsp563xx->core_cache);
+ if ((err = dsp563xx_debug_init(target)) != ERROR_OK)
+ return err;
break;
}
@@ -689,9 +1039,41 @@ static int dsp563xx_step(struct target *target, int current, uint32_t address,
return ERROR_OK;
}
+static int dsp563xx_step(struct target *target, int current, uint32_t address, int handle_breakpoints)
+{
+ return dsp563xx_step_ex(target, current, address, handle_breakpoints, 0);
+}
+
static int dsp563xx_assert_reset(struct target *target)
{
+ int retval = 0;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+ enum reset_types jtag_reset_config = jtag_get_reset_config();
+
+ if (jtag_reset_config & RESET_HAS_SRST)
+ {
+ /* default to asserting srst */
+ if (jtag_reset_config & RESET_SRST_PULLS_TRST)
+ {
+ jtag_add_reset(1, 1);
+ }
+ else
+ {
+ jtag_add_reset(0, 1);
+ }
+ }
+
target->state = TARGET_RESET;
+ jtag_add_sleep(5000);
+
+ /* registers are now invalid */
+ register_cache_invalidate(dsp563xx->core_cache);
+
+ if (target->reset_halt)
+ {
+ if ((retval = target_halt(target)) != ERROR_OK)
+ return retval;
+ }
LOG_DEBUG("%s", __FUNCTION__);
return ERROR_OK;
@@ -699,7 +1081,28 @@ static int dsp563xx_assert_reset(struct target *target)
static int dsp563xx_deassert_reset(struct target *target)
{
- target->state = TARGET_RUNNING;
+ int err;
+
+ /* deassert reset lines */
+ jtag_add_reset(0, 0);
+
+ if ((err = dsp563xx_poll(target)) != ERROR_OK)
+ return err;
+
+ if (target->reset_halt)
+ {
+ if (target->state == TARGET_HALTED)
+ {
+ /* after a reset the cpu jmp to the
+ * reset vector and need 2 cycles to fill
+ * the cache (fetch,decode,excecute)
+ */
+ if ((err = dsp563xx_step_ex(target, 1, 0, 1, 1)) != ERROR_OK)
+ return err;
+ }
+ }
+
+// target->state = TARGET_RUNNING;
LOG_DEBUG("%s", __FUNCTION__);
return ERROR_OK;
@@ -728,20 +1131,19 @@ static int dsp563xx_soft_reset_halt(struct target *target)
* 0446BD move ssl,y0
* 0446BE move la,y0
* 0446BF move lc,y0
-*
+*
* 61F000 AABBCC move x:AABBCC,r1
* 076190 movem r0,p:(r1)
*
*/
-static int dsp563xx_read_memory_p(struct target *target, uint32_t address,
- uint32_t size, uint32_t count, uint8_t * buffer)
+static int dsp563xx_read_memory_p(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t * buffer)
{
+ int err;
uint32_t i, x;
uint32_t data;
uint8_t *b;
- LOG_DEBUG("address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8"
- PRIx32, address, size, count);
+ LOG_DEBUG("address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32, address, size, count);
if (target->state != TARGET_HALTED)
{
@@ -753,12 +1155,17 @@ static int dsp563xx_read_memory_p(struct target *target, uint32_t address,
for (i = 0; i < x; i++)
{
- dsp563xx_once_execute_dw_ir_nq(target->tap, 0x60F400, address + i);
- dsp563xx_once_execute_sw_ir_nq(target->tap, 0x07E086);
- dsp563xx_once_execute_dw_ir_nq(target->tap, 0x467000, 0xfffffc);
- dsp563xx_execute_queue();
-
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OGDBR, &data);
+ if ((err = dsp563xx_once_execute_dw_ir_nq(target->tap, 0x60F400, address + i)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_execute_sw_ir_nq(target->tap, 0x07E086)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_execute_dw_ir_nq(target->tap, 0x467000, 0xfffffc)) != ERROR_OK)
+ return err;
+ if ((err = jtag_execute_queue()) != ERROR_OK)
+ return err;
+
+ if ((err = dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OGDBR, &data)) != ERROR_OK)
+ return err;
b = buffer + 4 * i;
if (size > 0)
@@ -774,15 +1181,14 @@ static int dsp563xx_read_memory_p(struct target *target, uint32_t address,
return ERROR_OK;
}
-static int dsp563xx_write_memory_p(struct target *target, uint32_t address, uint32_t size,
- uint32_t count, uint8_t * buffer)
+static int dsp563xx_write_memory_p(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t * buffer)
{
+ int err;
uint32_t i, x;
uint32_t data;
uint8_t *b;
- LOG_DEBUG("address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8"
- PRIx32 "", address, size, count);
+ LOG_DEBUG("address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32 "", address, size, count);
if (target->state != TARGET_HALTED)
{
@@ -808,105 +1214,19 @@ static int dsp563xx_write_memory_p(struct target *target, uint32_t address, uint
// LOG_DEBUG("%08X", data);
- dsp563xx_once_execute_dw_ir_nq(target->tap, 0x61F400, address + i);
- dsp563xx_once_execute_dw_ir_nq(target->tap, 0x60F400, data);
- dsp563xx_once_execute_sw_ir_nq(target->tap, 0x076190);
- dsp563xx_execute_queue();
+ if ((err = dsp563xx_once_execute_dw_ir_nq(target->tap, 0x61F400, address + i)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_execute_dw_ir_nq(target->tap, 0x60F400, data)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_execute_sw_ir_nq(target->tap, 0x076190)) != ERROR_OK)
+ return err;
+ if ((err = jtag_execute_queue()) != ERROR_OK)
+ return err;
}
return ERROR_OK;
}
-static int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out)
-{
- return dsp563xx_write_ir_u8(tap, ir_in, ir_out, DSP563XX_JTAG_INS_LEN, 1);
-}
-
-/* IR and DR functions */
-static int dsp563xx_write_ir(struct jtag_tap *tap, uint8_t * ir_in, uint8_t * ir_out,
- int ir_len, int rti)
-{
- if (NULL == tap)
- {
- LOG_ERROR("invalid tap");
- return ERROR_FAIL;
- }
- if (ir_len != tap->ir_length)
- {
- LOG_ERROR("invalid ir_len");
- return ERROR_FAIL;
- }
-
- {
- jtag_add_plain_ir_scan(tap->ir_length, ir_out, ir_in, TAP_IDLE);
- }
-
- return ERROR_OK;
-}
-
-static int dsp563xx_write_dr(struct jtag_tap *tap, uint8_t * dr_in, uint8_t * dr_out,
- int dr_len, int rti)
-{
- if (NULL == tap)
- {
- LOG_ERROR("invalid tap");
- return ERROR_FAIL;
- }
-
- {
- jtag_add_plain_dr_scan(dr_len, dr_out, dr_in, TAP_IDLE);
- }
-
- return ERROR_OK;
-}
-
-static int dsp563xx_write_ir_u8(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out,
- int ir_len, int rti)
-{
- if (ir_len > 8)
- {
- LOG_ERROR("ir_len overflow, maxium is 8");
- return ERROR_FAIL;
- }
-
- dsp563xx_write_ir(tap, ir_in, &ir_out, ir_len, rti);
-
- return ERROR_OK;
-}
-
-int dsp563xx_write_dr_u8(struct jtag_tap *tap, uint8_t * dr_in, uint8_t dr_out,
- int dr_len, int rti)
-{
- if (dr_len > 8)
- {
- LOG_ERROR("dr_len overflow, maxium is 8");
- return ERROR_FAIL;
- }
-
- dsp563xx_write_dr(tap, dr_in, &dr_out, dr_len, rti);
-
- return ERROR_OK;
-}
-
-int dsp563xx_write_dr_u32(struct jtag_tap *tap, uint32_t * dr_in, uint32_t dr_out,
- int dr_len, int rti)
-{
- if (dr_len > 32)
- {
- LOG_ERROR("dr_len overflow, maxium is 32");
- return ERROR_FAIL;
- }
-
- dsp563xx_write_dr(tap, (uint8_t *) dr_in, (uint8_t *) & dr_out, dr_len, rti);
-
- return ERROR_OK;
-}
-
-int dsp563xx_execute_queue(void)
-{
- return jtag_execute_queue();
-}
-
/** Holds methods for DSP563XX targets. */
struct target_type dsp563xx_target = {
.name = "dsp563xx",
diff --git a/src/target/dsp563xx.h b/src/target/dsp563xx.h
index 475e5165..c553471f 100644
--- a/src/target/dsp563xx.h
+++ b/src/target/dsp563xx.h
@@ -1,5 +1,5 @@
/***************************************************************************
- * Copyright (C) 2009 by Mathias Kuester *
+ * Copyright (C) 2009-2011 by Mathias Kuester *
* mkdorg@users.sourceforge.net *
* *
* This program is free software; you can redistribute it and/or modify *
@@ -21,8 +21,10 @@
#define DSP563XX_H
#include <jtag/jtag.h>
+#include <target/dsp563xx_once.h>
-#define DSP563XX_NUMCOREREGS 44
+#define DSP563XX_NUMCOREREGS 54
+#define DSP563XX_NUMONCEREGS 25
struct mcu_jtag
{
@@ -42,6 +44,7 @@ struct dsp563xx_common
struct mcu_jtag jtag_info;
struct reg_cache *core_cache;
uint32_t core_regs[DSP563XX_NUMCOREREGS];
+ struct once_reg once_regs[DSP563XX_NUMONCEREGS];
struct dsp563xx_pipeline_context pipeline_context;
@@ -55,8 +58,8 @@ struct dsp563xx_core_reg
uint32_t num;
const char *name;
uint32_t size;
- uint32_t r_cmd;
- uint32_t w_cmd;
+ uint8_t eame;
+ uint32_t instr_mask;
struct target *target;
struct dsp563xx_common *dsp563xx_common;
};
@@ -66,11 +69,4 @@ static inline struct dsp563xx_common *target_to_dsp563xx(struct target *target)
return target->arch_info;
}
-int dsp563xx_write_dr_u8(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out,
- int dr_len, int rti);
-int dsp563xx_write_dr_u32(struct jtag_tap *tap, uint32_t * ir_in, uint32_t ir_out,
- int dr_len, int rti);
-
-int dsp563xx_execute_queue(void);
-
#endif /* DSP563XX_H */
diff --git a/src/target/dsp563xx_once.c b/src/target/dsp563xx_once.c
index edca7f41..b7443fa6 100644
--- a/src/target/dsp563xx_once.c
+++ b/src/target/dsp563xx_once.c
@@ -29,74 +29,295 @@
#include "dsp563xx.h"
#include "dsp563xx_once.h"
-/** single word instruction */
-static int dsp563xx_once_ir_exec(struct jtag_tap *tap, uint8_t instr, uint8_t rw,
- uint8_t go, uint8_t ex)
+#define JTAG_STATUS_NORMAL 0x01
+#define JTAG_STATUS_STOPWAIT 0x05
+#define JTAG_STATUS_BUSY 0x09
+#define JTAG_STATUS_DEBUG 0x0d
+
+#define JTAG_INSTR_EXTEST 0x00
+#define JTAG_INSTR_SAMPLE_PRELOAD 0x01
+#define JTAG_INSTR_IDCODE 0x02
+#define JTAG_INSTR_CLAMP 0x03
+#define JTAG_INSTR_HIZ 0x04
+#define JTAG_INSTR_ENABLE_ONCE 0x06
+#define JTAG_INSTR_DEBUG_REQUEST 0x07
+#define JTAG_INSTR_BYPASS 0x0F
+
+static int dsp563xx_write_dr(struct jtag_tap *tap, uint8_t * dr_in, uint8_t * dr_out, int dr_len, int rti)
{
- dsp563xx_write_dr_u8(tap, 0,
- instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0);
- dsp563xx_execute_queue();
+ if (NULL == tap)
+ {
+ LOG_ERROR("invalid tap");
+ return ERROR_FAIL;
+ }
+
+ jtag_add_plain_dr_scan(dr_len, dr_out, dr_in, TAP_IDLE);
return ERROR_OK;
}
+static int dsp563xx_write_dr_u8(struct jtag_tap *tap, uint8_t * dr_in, uint8_t dr_out, int dr_len, int rti)
+{
+ if (dr_len > 8)
+ {
+ LOG_ERROR("dr_len overflow, maxium is 8");
+ return ERROR_FAIL;
+ }
+
+ return dsp563xx_write_dr(tap, dr_in, &dr_out, dr_len, rti);
+}
+
+static int dsp563xx_write_dr_u32(struct jtag_tap *tap, uint32_t * dr_in, uint32_t dr_out, int dr_len, int rti)
+{
+ if (dr_len > 32)
+ {
+ LOG_ERROR("dr_len overflow, maxium is 32");
+ return ERROR_FAIL;
+ }
+
+ return dsp563xx_write_dr(tap, (uint8_t *) dr_in, (uint8_t *) & dr_out, dr_len, rti);
+}
+
/** single word instruction */
-static int dsp563xx_once_ir_exec_nq(struct jtag_tap *tap, uint8_t instr, uint8_t rw,
- uint8_t go, uint8_t ex)
+static int dsp563xx_once_ir_exec(struct jtag_tap *tap, uint8_t instr, uint8_t rw, uint8_t go, uint8_t ex)
{
- dsp563xx_write_dr_u8(tap, 0,
- instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0);
+ int err;
+
+ if ((err = dsp563xx_write_dr_u8(tap, 0, instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0)) != ERROR_OK)
+ return err;
+
+ return jtag_execute_queue();
+}
+
+/** single word instruction */
+static int dsp563xx_once_ir_exec_nq(struct jtag_tap *tap, uint8_t instr, uint8_t rw, uint8_t go, uint8_t ex)
+{
+ return dsp563xx_write_dr_u8(tap, 0, instr | (ex << 5) | (go << 6) | (rw << 7), 8, 0);
+}
+
+/* IR and DR functions */
+static int dsp563xx_write_ir(struct jtag_tap *tap, uint8_t * ir_in, uint8_t * ir_out, int ir_len, int rti)
+{
+ if (NULL == tap)
+ {
+ LOG_ERROR("invalid tap");
+ return ERROR_FAIL;
+ }
+ if (ir_len != tap->ir_length)
+ {
+ LOG_ERROR("invalid ir_len");
+ return ERROR_FAIL;
+ }
+
+ jtag_add_plain_ir_scan(tap->ir_length, ir_out, ir_in, TAP_IDLE);
return ERROR_OK;
}
-/** once read register */
-int dsp563xx_once_reg_read(struct jtag_tap *tap, uint8_t reg, uint32_t * data)
+static int dsp563xx_write_ir_u8(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out, int ir_len, int rti)
{
- uint32_t dr_in;
+ if (ir_len > 8)
+ {
+ LOG_ERROR("ir_len overflow, maxium is 8");
+ return ERROR_FAIL;
+ }
- dr_in = 0;
+ return dsp563xx_write_ir(tap, ir_in, &ir_out, ir_len, rti);
+}
- dsp563xx_once_ir_exec(tap, reg, 1, 0, 0);
- dsp563xx_write_dr_u32(tap, &dr_in, 0x00, 24, 0);
- dsp563xx_execute_queue();
+static int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out)
+{
+ return dsp563xx_write_ir_u8(tap, ir_in, ir_out, tap->ir_length, 1);
+}
- *data = dr_in;
+/** */
+int dsp563xx_once_target_status(struct jtag_tap *tap)
+{
+ int err;
+ uint8_t jtag_status;
+
+ if ((err = dsp563xx_jtag_sendinstr(tap, &jtag_status, JTAG_INSTR_ENABLE_ONCE)) != ERROR_OK)
+ return err;
+ if ((err = jtag_execute_queue()) != ERROR_OK)
+ return err;
+
+ if ((jtag_status & 1) != 1)
+ {
+ return TARGET_UNKNOWN;
+ }
+
+ if (jtag_status != JTAG_STATUS_DEBUG)
+ {
+ return TARGET_RUNNING;
+ }
+
+ return TARGET_HALTED;
+}
+
+/** */
+int dsp563xx_once_request_debug(struct jtag_tap *tap, int reset_state)
+{
+ int err;
+ uint8_t ir_in = 0, pattern = 0;
+ uint32_t retry = 0;
+
+ /* in reset state we only get a ACK
+ * from the interface */
+ if (reset_state)
+ {
+ pattern = 1;
+ }
+ else
+ {
+ pattern = JTAG_STATUS_DEBUG;
+ }
+
+ /* wait until we get the ack */
+ while (ir_in != pattern)
+ {
+ if ((err = dsp563xx_jtag_sendinstr(tap, &ir_in, JTAG_INSTR_DEBUG_REQUEST)) != ERROR_OK)
+ return err;
+ if ((err = jtag_execute_queue()) != ERROR_OK)
+ return err;
+
+ LOG_DEBUG("debug request: %02X", ir_in);
+
+ if (retry++ == 100)
+ {
+ return ERROR_TARGET_FAILURE;
+ }
+ }
+
+ /* we cant enable the once in reset state */
+ if (pattern == 1)
+ {
+ return ERROR_OK;
+ }
+
+ /* try to enable once */
+ retry = 0;
+ ir_in = 0;
+ while (ir_in != pattern)
+ {
+ if ((err = dsp563xx_jtag_sendinstr(tap, &ir_in, JTAG_INSTR_ENABLE_ONCE)) != ERROR_OK)
+ return err;
+ if ((err = jtag_execute_queue()) != ERROR_OK)
+ return err;
+
+ LOG_DEBUG("enable once: %02X", ir_in);
+
+ if (retry++ == 100)
+ {
+ LOG_DEBUG("error");
+ return ERROR_TARGET_FAILURE;
+ }
+ }
+
+ if (ir_in != JTAG_STATUS_DEBUG)
+ {
+ return ERROR_TARGET_FAILURE;
+ }
return ERROR_OK;
}
+/** once read registers */
+int dsp563xx_once_read_register(struct jtag_tap *tap, struct once_reg *regs, int len)
+{
+ int i;
+ int err;
+
+ for (i = 0; i < len; i++)
+ {
+ if ((err = dsp563xx_once_reg_read_ex_nq(tap, regs[i].addr, regs[i].len, &regs[i].reg)) != ERROR_OK)
+ return err;
+ }
+
+ return jtag_execute_queue();
+/*
+ for(i=0;i<len;i++)
+ {
+ printf("%08X\n",regs[i].reg);
+ }
+*/
+}
+
+/** once read register */
+int dsp563xx_once_reg_read_ex_nq(struct jtag_tap *tap, uint8_t reg, uint8_t len, uint32_t * data)
+{
+ int err;
+
+ if ((err = dsp563xx_once_ir_exec(tap, reg, 1, 0, 0)) != ERROR_OK)
+ return err;
+ return dsp563xx_write_dr_u32(tap, data, 0x00, len, 0);
+}
+
+/** once read register */
+int dsp563xx_once_reg_read_ex(struct jtag_tap *tap, uint8_t reg, uint8_t len, uint32_t * data)
+{
+ int err;
+
+ if ((err = dsp563xx_once_ir_exec(tap, reg, 1, 0, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_dr_u32(tap, data, 0x00, len, 0)) != ERROR_OK)
+ return err;
+ return jtag_execute_queue();
+}
+
+/** once read register */
+int dsp563xx_once_reg_read(struct jtag_tap *tap, uint8_t reg, uint32_t * data)
+{
+ int err;
+
+ if ((err = dsp563xx_once_ir_exec(tap, reg, 1, 0, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_dr_u32(tap, data, 0x00, 24, 0)) != ERROR_OK)
+ return err;
+ return jtag_execute_queue();
+}
+
/** once write register */
int dsp563xx_once_reg_write(struct jtag_tap *tap, uint8_t reg, uint32_t data)
{
- dsp563xx_once_ir_exec(tap, reg, 0, 0, 0);
- dsp563xx_write_dr_u32(tap, 0x00, data, 24, 0);
- dsp563xx_execute_queue();
+ int err;
- return ERROR_OK;
+ if ((err = dsp563xx_once_ir_exec(tap, reg, 0, 0, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_dr_u32(tap, 0x00, data, 24, 0)) != ERROR_OK)
+ return err;
+ return jtag_execute_queue();
}
/** single word instruction */
int dsp563xx_once_execute_sw_ir(struct jtag_tap *tap, uint32_t opcode)
{
- dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
- dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
- dsp563xx_execute_queue();
+ int err;
- return ERROR_OK;
+ if ((err = dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK)
+ return err;
+ return jtag_execute_queue();
}
/** double word instruction */
-int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode,
- uint32_t operand)
+int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode, uint32_t operand)
{
- dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0);
- dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
- dsp563xx_execute_queue();
+ int err;
- dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
- dsp563xx_write_dr_u32(tap, 0, operand, 24, 0);
- dsp563xx_execute_queue();
+ if ((err = dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK)
+ return err;
+ if ((err = jtag_execute_queue()) != ERROR_OK)
+ return err;
+
+ if ((err = dsp563xx_once_ir_exec(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_dr_u32(tap, 0, operand, 24, 0)) != ERROR_OK)
+ return err;
+ if ((err = jtag_execute_queue()) != ERROR_OK)
+ return err;
return ERROR_OK;
}
@@ -104,21 +325,29 @@ int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode,
/** single word instruction */
int dsp563xx_once_execute_sw_ir_nq(struct jtag_tap *tap, uint32_t opcode)
{
- dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
- dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
+ int err;
+
+ if ((err = dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK)
+ return err;
return ERROR_OK;
}
/** double word instruction */
-int dsp563xx_once_execute_dw_ir_nq(struct jtag_tap *tap, uint32_t opcode,
- uint32_t operand)
+int dsp563xx_once_execute_dw_ir_nq(struct jtag_tap *tap, uint32_t opcode, uint32_t operand)
{
- dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0);
- dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0);
+ int err;
- dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0);
- dsp563xx_write_dr_u32(tap, 0, operand, 24, 0);
+ if ((err = dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 0, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_dr_u32(tap, 0, opcode, 24, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_ir_exec_nq(tap, DSP563XX_ONCE_OPDBR, 0, 1, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_dr_u32(tap, 0, operand, 24, 0)) != ERROR_OK)
+ return err;
return ERROR_OK;
}
diff --git a/src/target/dsp563xx_once.h b/src/target/dsp563xx_once.h
index 942cd65d..6b27694a 100644
--- a/src/target/dsp563xx_once.h
+++ b/src/target/dsp563xx_once.h
@@ -54,9 +54,29 @@
#define DSP563XX_ONCE_OPABFR 0x00F /* pab fetch reg */
#define DSP563XX_ONCE_OPABDR 0x010 /* pab decode reg */
#define DSP563XX_ONCE_OPABEX 0x011 /* pab exec reg */
-#define DSP563XX_ONCE_OPABEX 0x011 /* trace buffer/inc ptr */
+#define DSP563XX_ONCE_OPABF11 0x012 /* trace buffer/inc ptr */
#define DSP563XX_ONCE_NOREG 0x01F /* no register selected */
+struct once_reg
+{
+ uint8_t num;
+ uint8_t addr;
+ uint8_t len;
+ const char *name;
+ uint32_t reg;
+};
+
+/** */
+int dsp563xx_once_request_debug(struct jtag_tap *tap, int reset_state);
+/** */
+int dsp563xx_once_target_status(struct jtag_tap *tap);
+
+/** once read registers */
+int dsp563xx_once_read_register(struct jtag_tap *tap, struct once_reg *regs, int len);
+/** once read register */
+int dsp563xx_once_reg_read_ex_nq(struct jtag_tap *tap, uint8_t reg, uint8_t len, uint32_t * data);
+/** once read register */
+int dsp563xx_once_reg_read_ex(struct jtag_tap *tap, uint8_t reg, uint8_t len, uint32_t * data);
/** once read register */
int dsp563xx_once_reg_read(struct jtag_tap *tap, uint8_t reg, uint32_t * data);
/** once write register */
@@ -64,12 +84,10 @@ int dsp563xx_once_reg_write(struct jtag_tap *tap, uint8_t reg, uint32_t data);
/** single word instruction */
int dsp563xx_once_execute_sw_ir(struct jtag_tap *tap, uint32_t opcode);
/** double word instruction */
-int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode,
- uint32_t operand);
+int dsp563xx_once_execute_dw_ir(struct jtag_tap *tap, uint32_t opcode, uint32_t operand);
/** single word instruction */
int dsp563xx_once_execute_sw_ir_nq(struct jtag_tap *tap, uint32_t opcode);
/** double word instruction */
-int dsp563xx_once_execute_dw_ir_nq(struct jtag_tap *tap, uint32_t opcode,
- uint32_t operand);
+int dsp563xx_once_execute_dw_ir_nq(struct jtag_tap *tap, uint32_t opcode, uint32_t operand);
#endif /* DSP563XX_ONCE_H */
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-23 09:38:39 +0000