/***************************************************************************
- * 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 *
#include "config.h"
#endif
-#include <helper/jim.h>
+#include <jim.h>
#include "target.h"
#include "target_type.h"
+#include "algorithm.h"
#include "register.h"
#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 */
-int dsp563xx_target_create(struct target *target, Jim_Interp * interp);
-int dsp563xx_init_target(struct command_context *cmd_ctx, struct target *target);
-
-int dsp563xx_arch_state(struct target *target);
-int dsp563xx_poll(struct target *target);
-int dsp563xx_halt(struct target *target);
-int dsp563xx_resume(struct target *target, int current, uint32_t address,
- int handle_breakpoints, int debug_execution);
-int dsp563xx_step(struct target *target, int current, uint32_t address,
- int handle_breakpoints);
-
-int dsp563xx_assert_reset(struct target *target);
-int dsp563xx_deassert_reset(struct target *target);
-int dsp563xx_soft_reset_halt(struct target *target);
-
-/* IR and DR functions */
-int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out);
-int dsp563xx_jtag_senddat(struct jtag_tap *tap, uint32_t * dr_in, uint32_t dr_out,
- int len);
-
-int dsp563xx_read_memory_p(struct target *target, uint32_t address, uint32_t size,
- uint32_t count, uint8_t * buffer);
-int dsp563xx_write_memory_p(struct target *target, uint32_t address, uint32_t size,
- uint32_t count, uint8_t * buffer);
-
-#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 ASM_REG_W_R0 0x60F400
#define ASM_REG_W_R1 0x61F400
#define ASM_REG_W_R2 0x62F400
#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
#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
#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
+
+enum once_reg_idx {
+ ONCE_REG_IDX_OSCR=0,
+ ONCE_REG_IDX_OMBC=1,
+ ONCE_REG_IDX_OBCR=2,
+ ONCE_REG_IDX_OMLR0=3,
+ ONCE_REG_IDX_OMLR1=4,
+ ONCE_REG_IDX_OGDBR=5,
+ ONCE_REG_IDX_OPDBR=6,
+ ONCE_REG_IDX_OPILR=7,
+ ONCE_REG_IDX_PDB=8,
+ ONCE_REG_IDX_OTC=9,
+ ONCE_REG_IDX_OPABFR=10,
+ ONCE_REG_IDX_OPABDR=11,
+ ONCE_REG_IDX_OPABEX=12,
+ ONCE_REG_IDX_OPABF0=13,
+ ONCE_REG_IDX_OPABF1=14,
+ ONCE_REG_IDX_OPABF2=15,
+ ONCE_REG_IDX_OPABF3=16,
+ ONCE_REG_IDX_OPABF4=17,
+ ONCE_REG_IDX_OPABF5=18,
+ ONCE_REG_IDX_OPABF6=19,
+ ONCE_REG_IDX_OPABF7=20,
+ ONCE_REG_IDX_OPABF8=21,
+ ONCE_REG_IDX_OPABF9=22,
+ ONCE_REG_IDX_OPABF10=23,
+ ONCE_REG_IDX_OPABF11=24,
+};
+
+static struct once_reg once_regs[] = {
+ {ONCE_REG_IDX_OSCR, DSP563XX_ONCE_OSCR, 24, "OSCR", 0},
+ {ONCE_REG_IDX_OMBC, DSP563XX_ONCE_OMBC, 24, "OMBC", 0},
+ {ONCE_REG_IDX_OBCR, DSP563XX_ONCE_OBCR, 24, "OBCR", 0},
+ {ONCE_REG_IDX_OMLR0, DSP563XX_ONCE_OMLR0, 24, "OMLR0", 0},
+ {ONCE_REG_IDX_OMLR1, DSP563XX_ONCE_OMLR1, 24, "OMLR1", 0},
+ {ONCE_REG_IDX_OGDBR, DSP563XX_ONCE_OGDBR, 24, "OGDBR", 0},
+ {ONCE_REG_IDX_OPDBR, DSP563XX_ONCE_OPDBR, 24, "OPDBR", 0},
+ {ONCE_REG_IDX_OPILR, DSP563XX_ONCE_OPILR, 24, "OPILR", 0},
+ {ONCE_REG_IDX_PDB, DSP563XX_ONCE_PDBGOTO, 24, "PDB", 0},
+ {ONCE_REG_IDX_OTC, DSP563XX_ONCE_OTC, 24, "OTC", 0},
+ {ONCE_REG_IDX_OPABFR, DSP563XX_ONCE_OPABFR, 24, "OPABFR", 0},
+ {ONCE_REG_IDX_OPABDR, DSP563XX_ONCE_OPABDR, 24, "OPABDR", 0},
+ {ONCE_REG_IDX_OPABEX, DSP563XX_ONCE_OPABEX, 24, "OPABEX", 0},
+ {ONCE_REG_IDX_OPABF0, DSP563XX_ONCE_OPABF11, 25, "OPABF0", 0},
+ {ONCE_REG_IDX_OPABF1, DSP563XX_ONCE_OPABF11, 25, "OPABF1", 0},
+ {ONCE_REG_IDX_OPABF2, DSP563XX_ONCE_OPABF11, 25, "OPABF2", 0},
+ {ONCE_REG_IDX_OPABF3, DSP563XX_ONCE_OPABF11, 25, "OPABF3", 0},
+ {ONCE_REG_IDX_OPABF4, DSP563XX_ONCE_OPABF11, 25, "OPABF4", 0},
+ {ONCE_REG_IDX_OPABF5, DSP563XX_ONCE_OPABF11, 25, "OPABF5", 0},
+ {ONCE_REG_IDX_OPABF6, DSP563XX_ONCE_OPABF11, 25, "OPABF6", 0},
+ {ONCE_REG_IDX_OPABF7, DSP563XX_ONCE_OPABF11, 25, "OPABF7", 0},
+ {ONCE_REG_IDX_OPABF8, DSP563XX_ONCE_OPABF11, 25, "OPABF8", 0},
+ {ONCE_REG_IDX_OPABF9, DSP563XX_ONCE_OPABF11, 25, "OPABF9", 0},
+ {ONCE_REG_IDX_OPABF10, DSP563XX_ONCE_OPABF11, 25, "OPABF10", 0},
+ {ONCE_REG_IDX_OPABF11, DSP563XX_ONCE_OPABF11, 25, "OPABF11", 0},
+// {25,0x1f,24,"NRSEL",0},
+};
+
+enum dsp563xx_reg_idx {
+ DSP563XX_REG_IDX_R0=0,
+ DSP563XX_REG_IDX_R1=1,
+ DSP563XX_REG_IDX_R2=2,
+ DSP563XX_REG_IDX_R3=3,
+ DSP563XX_REG_IDX_R4=4,
+ DSP563XX_REG_IDX_R5=5,
+ DSP563XX_REG_IDX_R6=6,
+ DSP563XX_REG_IDX_R7=7,
+ DSP563XX_REG_IDX_N0=8,
+ DSP563XX_REG_IDX_N1=9,
+ DSP563XX_REG_IDX_N2=10,
+ DSP563XX_REG_IDX_N3=11,
+ DSP563XX_REG_IDX_N4=12,
+ DSP563XX_REG_IDX_N5=13,
+ DSP563XX_REG_IDX_N6=14,
+ DSP563XX_REG_IDX_N7=15,
+ DSP563XX_REG_IDX_M0=16,
+ DSP563XX_REG_IDX_M1=17,
+ DSP563XX_REG_IDX_M2=18,
+ DSP563XX_REG_IDX_M3=19,
+ DSP563XX_REG_IDX_M4=20,
+ DSP563XX_REG_IDX_M5=21,
+ DSP563XX_REG_IDX_M6=22,
+ DSP563XX_REG_IDX_M7=23,
+ DSP563XX_REG_IDX_X0=24,
+ DSP563XX_REG_IDX_X1=25,
+ DSP563XX_REG_IDX_Y0=26,
+ DSP563XX_REG_IDX_Y1=27,
+ DSP563XX_REG_IDX_A0=28,
+ DSP563XX_REG_IDX_A1=29,
+ DSP563XX_REG_IDX_A2=30,
+ DSP563XX_REG_IDX_B0=31,
+ DSP563XX_REG_IDX_B1=32,
+ DSP563XX_REG_IDX_B2=33,
+ DSP563XX_REG_IDX_SSH=34,
+ DSP563XX_REG_IDX_SSL=35,
+ DSP563XX_REG_IDX_SP=36,
+ DSP563XX_REG_IDX_EP=37,
+ DSP563XX_REG_IDX_SZ=38,
+ DSP563XX_REG_IDX_SC=39,
+ DSP563XX_REG_IDX_PC=40,
+ DSP563XX_REG_IDX_SR=41,
+ DSP563XX_REG_IDX_OMR=42,
+ DSP563XX_REG_IDX_LA=43,
+ DSP563XX_REG_IDX_LC=44,
+ DSP563XX_REG_IDX_VBA=45,
+ DSP563XX_REG_IDX_IPRC=46,
+ DSP563XX_REG_IDX_IPRP=47,
+ DSP563XX_REG_IDX_BCR=48,
+ DSP563XX_REG_IDX_DCR=49,
+ DSP563XX_REG_IDX_AAR0=50,
+ DSP563XX_REG_IDX_AAR1=51,
+ DSP563XX_REG_IDX_AAR2=52,
+ DSP563XX_REG_IDX_AAR3=53,
+};
static const struct
{
unsigned id;
- char *name;
+ 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 */
+ {DSP563XX_REG_IDX_R0, "r0", 24, 0x10, ASM_REG_W_R0},
+ {DSP563XX_REG_IDX_R1, "r1", 24, 0x11, ASM_REG_W_R1},
+ {DSP563XX_REG_IDX_R2, "r2", 24, 0x12, ASM_REG_W_R2},
+ {DSP563XX_REG_IDX_R3, "r3", 24, 0x13, ASM_REG_W_R3},
+ {DSP563XX_REG_IDX_R4, "r4", 24, 0x14, ASM_REG_W_R4},
+ {DSP563XX_REG_IDX_R5, "r5", 24, 0x15, ASM_REG_W_R5},
+ {DSP563XX_REG_IDX_R6, "r6", 24, 0x16, ASM_REG_W_R6},
+ {DSP563XX_REG_IDX_R7, "r7", 24, 0x17, ASM_REG_W_R7},
+ /* offset registers */
+ {DSP563XX_REG_IDX_N0, "n0", 24, 0x18, ASM_REG_W_N0},
+ {DSP563XX_REG_IDX_N1, "n1", 24, 0x19, ASM_REG_W_N1},
+ {DSP563XX_REG_IDX_N2, "n2", 24, 0x1a, ASM_REG_W_N2},
+ {DSP563XX_REG_IDX_N3, "n3", 24, 0x1b, ASM_REG_W_N3},
+ {DSP563XX_REG_IDX_N4, "n4", 24, 0x1c, ASM_REG_W_N4},
+ {DSP563XX_REG_IDX_N5, "n5", 24, 0x1d, ASM_REG_W_N5},
+ {DSP563XX_REG_IDX_N6, "n6", 24, 0x1e, ASM_REG_W_N6},
+ {DSP563XX_REG_IDX_N7, "n7", 24, 0x1f, ASM_REG_W_N7},
+ /* modifier registers */
+ {DSP563XX_REG_IDX_M0, "m0", 24, 0x20, ASM_REG_W_M0},
+ {DSP563XX_REG_IDX_M1, "m1", 24, 0x21, ASM_REG_W_M1},
+ {DSP563XX_REG_IDX_M2, "m2", 24, 0x22, ASM_REG_W_M2},
+ {DSP563XX_REG_IDX_M3, "m3", 24, 0x23, ASM_REG_W_M3},
+ {DSP563XX_REG_IDX_M4, "m4", 24, 0x24, ASM_REG_W_M4},
+ {DSP563XX_REG_IDX_M5, "m5", 24, 0x25, ASM_REG_W_M5},
+ {DSP563XX_REG_IDX_M6, "m6", 24, 0x26, ASM_REG_W_M6},
+ {DSP563XX_REG_IDX_M7, "m7", 24, 0x27, ASM_REG_W_M7},
+ /* data alu input register */
+ {DSP563XX_REG_IDX_X0, "x0", 24, 0x04, ASM_REG_W_X0},
+ {DSP563XX_REG_IDX_X1, "x1", 24, 0x05, ASM_REG_W_X1},
+ {DSP563XX_REG_IDX_Y0, "y0", 24, 0x06, ASM_REG_W_Y0},
+ {DSP563XX_REG_IDX_Y1, "y1", 24, 0x07, ASM_REG_W_Y1},
+ /* data alu accumulator register */
+ {DSP563XX_REG_IDX_A0, "a0", 24, 0x08, ASM_REG_W_A0},
+ {DSP563XX_REG_IDX_A1, "a1", 24, 0x0c, ASM_REG_W_A1},
+ {DSP563XX_REG_IDX_A2, "a2", 8, 0x0a, ASM_REG_W_A2},
+ {DSP563XX_REG_IDX_B0, "b0", 24, 0x09, ASM_REG_W_B0},
+ {DSP563XX_REG_IDX_B1, "b1", 24, 0x0d, ASM_REG_W_B1},
+ {DSP563XX_REG_IDX_B2, "b2", 8, 0x0b, ASM_REG_W_B2},
+ /* stack */
+ {DSP563XX_REG_IDX_SSH, "ssh",24, 0x3c, ASM_REG_W_SSH},
+ {DSP563XX_REG_IDX_SSL, "ssl",24, 0x3d, ASM_REG_W_SSL},
+ {DSP563XX_REG_IDX_SP, "sp", 24, 0x3b, ASM_REG_W_SP},
+ {DSP563XX_REG_IDX_EP, "ep", 24, 0x2a, ASM_REG_W_EP},
+ {DSP563XX_REG_IDX_SZ, "sz", 24, 0x38, ASM_REG_W_SZ},
+ {DSP563XX_REG_IDX_SC, "sc", 24, 0x31, ASM_REG_W_SC},
+ /* system */
+ {DSP563XX_REG_IDX_PC, "pc", 24, 0x00, ASM_REG_W_PC},
+ {DSP563XX_REG_IDX_SR, "sr", 24, 0x39, ASM_REG_W_SR},
+ {DSP563XX_REG_IDX_OMR, "omr",24, 0x3a, ASM_REG_W_OMR},
+ {DSP563XX_REG_IDX_LA, "la", 24, 0x3e, ASM_REG_W_LA},
+ {DSP563XX_REG_IDX_LC, "lc", 24, 0x3f, ASM_REG_W_LC},
+ /* interrupt */
+ {DSP563XX_REG_IDX_VBA, "vba", 24, 0x30, ASM_REG_W_VBA},
+ {DSP563XX_REG_IDX_IPRC, "iprc",24, 0x00, ASM_REG_W_IPRC},
+ {DSP563XX_REG_IDX_IPRP, "iprp",24, 0x00, ASM_REG_W_IPRP},
+ /* port a */
+ {DSP563XX_REG_IDX_BCR, "bcr", 24, 0x00, ASM_REG_W_BCR},
+ {DSP563XX_REG_IDX_DCR, "dcr", 24, 0x00, ASM_REG_W_DCR},
+ {DSP563XX_REG_IDX_AAR0, "aar0",24, 0x00, ASM_REG_W_AAR0},
+ {DSP563XX_REG_IDX_AAR1, "aar1",24, 0x00, ASM_REG_W_AAR1},
+ {DSP563XX_REG_IDX_AAR2, "aar2",24, 0x00, ASM_REG_W_AAR2},
+ {DSP563XX_REG_IDX_AAR3, "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)
+enum memory_type
+{
+ MEM_X = 0,
+ MEM_Y = 1,
+ MEM_P = 2,
+ MEM_L = 3,
+};
+
+#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))
+
+/* the gdb register list is send in this order */
+uint8_t gdb_reg_list_idx[] = {
+ DSP563XX_REG_IDX_X1, DSP563XX_REG_IDX_X0, DSP563XX_REG_IDX_Y1, DSP563XX_REG_IDX_Y0,
+ DSP563XX_REG_IDX_A2, DSP563XX_REG_IDX_A1, DSP563XX_REG_IDX_A0, DSP563XX_REG_IDX_B2,
+ DSP563XX_REG_IDX_B1, DSP563XX_REG_IDX_B0, DSP563XX_REG_IDX_PC, DSP563XX_REG_IDX_SR,
+ DSP563XX_REG_IDX_OMR,DSP563XX_REG_IDX_LA, DSP563XX_REG_IDX_LC, DSP563XX_REG_IDX_SSH,
+ DSP563XX_REG_IDX_SSL,DSP563XX_REG_IDX_SP, DSP563XX_REG_IDX_EP, DSP563XX_REG_IDX_SZ,
+ DSP563XX_REG_IDX_SC, DSP563XX_REG_IDX_VBA,DSP563XX_REG_IDX_IPRC, DSP563XX_REG_IDX_IPRP,
+ DSP563XX_REG_IDX_BCR,DSP563XX_REG_IDX_DCR,DSP563XX_REG_IDX_AAR0,DSP563XX_REG_IDX_AAR1,
+ DSP563XX_REG_IDX_AAR2,DSP563XX_REG_IDX_AAR3,DSP563XX_REG_IDX_R0,DSP563XX_REG_IDX_R1,
+ DSP563XX_REG_IDX_R2, DSP563XX_REG_IDX_R3, DSP563XX_REG_IDX_R4, DSP563XX_REG_IDX_R5,
+ DSP563XX_REG_IDX_R6, DSP563XX_REG_IDX_R7, DSP563XX_REG_IDX_N0, DSP563XX_REG_IDX_N1,
+ DSP563XX_REG_IDX_N2, DSP563XX_REG_IDX_N3, DSP563XX_REG_IDX_N4, DSP563XX_REG_IDX_N5,
+ DSP563XX_REG_IDX_N6, DSP563XX_REG_IDX_N7, DSP563XX_REG_IDX_M0, DSP563XX_REG_IDX_M1,
+ DSP563XX_REG_IDX_M2, DSP563XX_REG_IDX_M3, DSP563XX_REG_IDX_M4, DSP563XX_REG_IDX_M5,
+ DSP563XX_REG_IDX_M6, DSP563XX_REG_IDX_M7,
+};
+
+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)
{
*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];
+ (*reg_list)[i] = &dsp563xx->core_cache->reg_list[gdb_reg_list_idx[i]];
}
return ERROR_OK;
}
-int dsp563xx_read_core_reg(struct target *target, int num)
+static int dsp563xx_read_core_reg(struct target *target, int num)
{
uint32_t reg_value;
- struct dsp563xx_core_reg *dsp563xx_core_reg;
struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
if ((num < 0) || (num >= DSP563XX_NUMCOREREGS))
return ERROR_INVALID_ARGUMENTS;
- dsp563xx_core_reg = dsp563xx->core_cache->reg_list[num].arch_info;
reg_value = dsp563xx->core_regs[num];
buf_set_u32(dsp563xx->core_cache->reg_list[num].value, 0, 32, reg_value);
dsp563xx->core_cache->reg_list[num].valid = 1;
return ERROR_OK;
}
-int dsp563xx_write_core_reg(struct target *target, int num)
+static int dsp563xx_write_core_reg(struct target *target, int num)
{
uint32_t reg_value;
- struct dsp563xx_core_reg *dsp563xx_core_reg;
struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
if ((num < 0) || (num >= DSP563XX_NUMCOREREGS))
return ERROR_INVALID_ARGUMENTS;
reg_value = buf_get_u32(dsp563xx->core_cache->reg_list[num].value, 0, 32);
- dsp563xx_core_reg = dsp563xx->core_cache->reg_list[num].arch_info;
dsp563xx->core_regs[num] = reg_value;
dsp563xx->core_cache->reg_list[num].valid = 1;
dsp563xx->core_cache->reg_list[num].dirty = 0;
return ERROR_OK;
}
-int dsp563xx_target_create(struct target *target, Jim_Interp * interp)
+static int dsp563xx_get_core_reg(struct reg *reg)
{
- struct dsp563xx_common *dsp563xx = calloc(1, sizeof(struct dsp563xx_common));
-
- dsp563xx->jtag_info.tap = target->tap;
- target->arch_info = dsp563xx;
- dsp563xx->read_core_reg = dsp563xx_read_core_reg;
- dsp563xx->write_core_reg = dsp563xx_write_core_reg;
-
- return ERROR_OK;
-}
-
-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);
}
-int dsp563xx_set_core_reg(struct reg *reg, uint8_t * buf)
+static int dsp563xx_set_core_reg(struct reg *reg, uint8_t * buf)
{
LOG_DEBUG("%s", __FUNCTION__);
return ERROR_OK;
}
-int dsp563xx_save_context(struct target *target)
-{
- int i;
- 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 (!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);
- }
- }
-
- /* read pc */
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OPABEX, &data);
- dsp563xx->core_regs[i] = data;
- dsp563xx->read_core_reg(target, i);
-
- return ERROR_OK;
-}
-
-int dsp563xx_restore_context(struct target *target)
-{
- int i;
- struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
- struct dsp563xx_core_reg *arch_info;
-
- for (i = 0; i < DSP563XX_NUMCOREREGS - 1; i++)
- {
- if (dsp563xx->core_cache->reg_list[i].dirty)
- {
- arch_info = dsp563xx->core_cache->reg_list[i].arch_info;
-
- dsp563xx->write_core_reg(target, i);
-
- dsp563xx_once_execute_dw_ir(target->tap, arch_info->w_cmd,
- dsp563xx->core_regs[i]);
- dsp563xx_once_execute_sw_ir(target->tap, 0x000000);
- }
- }
-
- return ERROR_OK;
-}
-
static const struct reg_arch_type dsp563xx_reg_type = {
.get = dsp563xx_get_core_reg,
.set = dsp563xx_set_core_reg,
};
-int dsp563xx_init_target(struct command_context *cmd_ctx, struct target *target)
+static void dsp563xx_build_reg_cache(struct target *target)
{
- /* get pointers to arch-specific information */
struct dsp563xx_common *dsp563xx = target_to_dsp563xx(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__);
-
/* Build the process context cache */
cache->name = "dsp563xx registers";
cache->next = NULL;
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;
- reg_list[i].size = dsp563xx_regs[i].bits;
+ reg_list[i].size = 32; //dsp563xx_regs[i].bits;
reg_list[i].value = calloc(1, 4);
reg_list[i].dirty = 0;
reg_list[i].valid = 0;
reg_list[i].type = &dsp563xx_reg_type;
reg_list[i].arch_info = &arch_info[i];
}
-
- return ERROR_OK;
}
-int dsp563xx_arch_state(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)
{
- LOG_DEBUG("%s", __FUNCTION__);
+ 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[DSP563XX_REG_IDX_R0].valid)
+ dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R0);
+
+ /* move source memory to r0 */
+ instr = INSTR_MOVEP_REG_HIO(MEM_X, 0, EAME_R0, instr_mask);
+ if ((err = dsp563xx_once_execute_sw_ir(target->tap, 0, instr)) != ERROR_OK)
+ return err;
+ /* move r0 to debug register */
+ instr = INSTR_MOVEP_REG_HIO(MEM_X, 1, EAME_R0, 0xfffffc);
+ if ((err = dsp563xx_once_execute_sw_ir(target->tap, 1, instr)) != ERROR_OK)
+ return err;
+ /* read debug register */
+ if ((err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OGDBR, data)) != ERROR_OK)
+ return err;
+ /* r0 is no longer valid on target */
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].dirty = 1;
+
return ERROR_OK;
}
-int dsp563xx_jtag_status(struct target *target, uint8_t * status)
+static int dsp563xx_reg_write_high_io(struct target *target, uint32_t instr_mask, uint32_t data)
{
- uint8_t ir_in;
+ int err;
+ uint32_t instr;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
- ir_in = 0;
+ /* we use r0 to store temporary data */
+ if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].valid)
+ dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R0);
- dsp563xx_jtag_sendinstr(target->tap, &ir_in, JTAG_INSTR_ENABLE_ONCE);
- dsp563xx_execute_queue();
+ /* move data to r0 */
+ if ((err = dsp563xx_once_execute_dw_ir(target->tap, 0, 0x60F400, data)) != ERROR_OK)
+ return err;
+ /* move r0 to destination memory */
+ instr = INSTR_MOVEP_REG_HIO(MEM_X, 1, EAME_R0, instr_mask);
+ if ((err = dsp563xx_once_execute_sw_ir(target->tap, 1, instr)) != ERROR_OK)
+ return err;
- *status = ir_in;
+ /* r0 is no longer valid on target */
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].dirty = 1;
return ERROR_OK;
}
-int dsp563xx_jtag_debug_request(struct target *target)
+static int dsp563xx_reg_read(struct target *target, uint32_t eame, uint32_t * data)
{
- uint8_t ir_in = 0;
- uint32_t retry = 0;
-
- while (ir_in != JTAG_STATUS_DEBUG)
- {
- 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);
-
- if (retry++ == 100)
- return ERROR_TARGET_FAILURE;
- }
+ int err;
+ uint32_t instr;
+
+ instr = INSTR_MOVEP_REG_HIO(MEM_X, 1, eame, 0xfffffc);
+ if ((err = dsp563xx_once_execute_sw_ir(target->tap, 0, instr)) != ERROR_OK)
+ return err;
+ /* nop */
+ if ((err = dsp563xx_once_execute_sw_ir(target->tap, 1, 0x000000)) != ERROR_OK)
+ return err;
+ /* read debug register */
+ return dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OGDBR, data);
+}
- if (ir_in != JTAG_STATUS_DEBUG)
- {
- return ERROR_TARGET_FAILURE;
- }
+static int dsp563xx_reg_write(struct target *target, uint32_t instr_mask, uint32_t data)
+{
+ int err;
- return ERROR_OK;
+ if ((err = dsp563xx_once_execute_dw_ir(target->tap, 0, instr_mask, data)) != ERROR_OK)
+ return err;
+ /* nop */
+ return dsp563xx_once_execute_sw_ir(target->tap, 1, 0x000000);
}
-int dsp563xx_poll(struct target *target)
+static int dsp563xx_reg_pc_read(struct target *target)
{
- uint8_t jtag_status;
- uint32_t once_status;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
- dsp563xx_jtag_status(target, &jtag_status);
+ /* pc was changed, nothing todo */
+ if (dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_PC].dirty)
+ return ERROR_OK;
- if ((jtag_status & 1) != 1)
+ /* conditional branch check */
+ if ( once_regs[ONCE_REG_IDX_OPABDR].reg == once_regs[ONCE_REG_IDX_OPABEX].reg )
{
- target->state = TARGET_UNKNOWN;
- LOG_ERROR
- ("jtag status contains invalid mode value - communication failure");
- return ERROR_TARGET_FAILURE;
+ if ( (once_regs[ONCE_REG_IDX_OPABF11].reg & 1) == 0 )
+ {
+ LOG_DEBUG("%s conditional branch not supported yet (0x%x 0x%x 0x%x)", __FUNCTION__,
+ (once_regs[ONCE_REG_IDX_OPABF11].reg >> 1),
+ once_regs[ONCE_REG_IDX_OPABDR].reg,
+ once_regs[ONCE_REG_IDX_OPABEX].reg);
+
+ /* TODO: use disassembly to set correct pc offset
+ * read 2 words from OPABF11 and disasm the instruction
+ */
+ dsp563xx->core_regs[DSP563XX_REG_IDX_PC] = (once_regs[ONCE_REG_IDX_OPABF11].reg >> 1) & 0x00FFFFFF;
+ }
+ else
+ {
+ if ( once_regs[ONCE_REG_IDX_OPABEX].reg == once_regs[ONCE_REG_IDX_OPABFR].reg )
+ {
+ dsp563xx->core_regs[DSP563XX_REG_IDX_PC] = once_regs[ONCE_REG_IDX_OPABEX].reg;
+ }
+ else
+ {
+ dsp563xx->core_regs[DSP563XX_REG_IDX_PC] = once_regs[ONCE_REG_IDX_OPABEX].reg - 1;
+ }
+ }
}
-
- if (jtag_status != JTAG_STATUS_DEBUG)
+ else
{
- target->state = TARGET_RUNNING;
+ dsp563xx->core_regs[DSP563XX_REG_IDX_PC] = once_regs[ONCE_REG_IDX_OPABEX].reg;
}
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OSCR, &once_status);
-
- if ((once_status & DSP563XX_ONCE_OSCR_DEBUG_M) == DSP563XX_ONCE_OSCR_DEBUG_M)
- {
- target->state = TARGET_HALTED;
-
- }
+ dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_PC);
return ERROR_OK;
}
-int dsp563xx_halt(struct target *target)
+static int dsp563xx_reg_ssh_read(struct target *target)
{
- uint8_t jtag_status;
- uint32_t once_status;
+ int err;
+ uint32_t sp;
+ struct dsp563xx_core_reg *arch_info;
struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
- if (target->state == TARGET_HALTED)
+ arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSH].arch_info;
+
+ /* get a valid stack pointer */
+ if ((err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SP, 0)) != ERROR_OK)
+ return err;
+ sp = dsp563xx->core_regs[DSP563XX_REG_IDX_SP];
+ if ((err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SP, 0)) != ERROR_OK)
+ return err;
+
+ /* get a valid stack count */
+ if ((err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SC, 0)) != ERROR_OK)
+ return err;
+
+ if ((err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SC, 0)) != ERROR_OK)
+ return err;
+
+ /* get a valid extended pointer */
+ if ((err = dsp563xx_read_register(target, DSP563XX_REG_IDX_EP, 0)) != ERROR_OK)
+ return err;
+
+ if ((err = dsp563xx_write_register(target, DSP563XX_REG_IDX_EP, 0)) != ERROR_OK)
+ return err;
+
+ if (!sp)
{
- LOG_DEBUG("target was already halted");
- return ERROR_OK;
+ sp = 0x00FFFFFF;
}
-
- if (target->state == TARGET_UNKNOWN)
+ else
{
- LOG_WARNING("target was in unknown state when halt was requested");
+ if ((err = dsp563xx_reg_read(target, arch_info->eame, &sp)) != ERROR_OK)
+ return err;
+
+ if ((err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SC, 1)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SP, 1)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_register(target, DSP563XX_REG_IDX_EP, 1)) != ERROR_OK)
+ return err;
}
-// if ( jtag_status != 0x0d )
- {
- dsp563xx_jtag_debug_request(target);
+ dsp563xx->core_regs[DSP563XX_REG_IDX_SSH] = sp;
+ dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_SSH);
- /* 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);
+ return ERROR_OK;
+}
- dsp563xx_save_context(target);
+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);
- 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);
- }
+ arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSH].arch_info;
- LOG_DEBUG("target->state: %s", target_state_name(target));
+ /* get a valid stack pointer */
+ if ((err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SP, 0)) != ERROR_OK)
+ return err;
+ sp = dsp563xx->core_regs[DSP563XX_REG_IDX_SP];
- LOG_DEBUG("%s", __FUNCTION__);
+ if (sp)
+ {
+ sp--;
+ /* write new stackpointer */
+ dsp563xx->core_regs[DSP563XX_REG_IDX_SP] = sp;
+ if ((err = dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_SP)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SP, 1)) != ERROR_OK)
+ return err;
+
+ if ((err = dsp563xx_reg_write(target, arch_info->instr_mask, dsp563xx->core_regs[DSP563XX_REG_IDX_SSH])) != ERROR_OK)
+ return err;
+
+ if ((err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SP, 1)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SSH, 1)) != ERROR_OK)
+ return err;
+ }
return ERROR_OK;
}
-#define DSP563XX_ASM_CMD_JUMP 0x0AF080
-
-int dsp563xx_resume(struct target *target, int current, uint32_t address,
- int handle_breakpoints, int debug_execution)
+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);
- LOG_DEBUG("%s", __FUNCTION__);
+ arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSL].arch_info;
- dsp563xx_restore_context(target);
+ /* get a valid stack pointer */
+ if ((err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SP, 0)) != ERROR_OK)
+ return err;
+ sp = dsp563xx->core_regs[DSP563XX_REG_IDX_SP];
- if (current)
+ if (!sp)
{
- /* 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);
+ sp = 0x00FFFFFF;
}
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_reg_read(target, arch_info->eame, &sp)) != ERROR_OK)
+ return err;
}
- target->state = TARGET_RUNNING;
+ dsp563xx->core_regs[DSP563XX_REG_IDX_SSL] = sp;
+ dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_SSL);
return ERROR_OK;
}
-int dsp563xx_step(struct target *target, int current, uint32_t address,
- int handle_breakpoints)
+static int dsp563xx_read_register(struct target *target, int num, int force)
{
- uint32_t once_status;
- uint32_t dr_in, cnt;
+ int err = ERROR_OK;
+ uint32_t data = 0;
struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+ struct dsp563xx_core_reg *arch_info;
- if (target->state != TARGET_HALTED)
- {
- LOG_DEBUG("target was not halted");
- return ERROR_OK;
- }
-
- LOG_DEBUG("%s %08X %08X", __FUNCTION__, current, (unsigned) address);
+ if (force)
+ dsp563xx->core_cache->reg_list[num].valid = 0;
- dsp563xx_jtag_debug_request(target);
+ if (!dsp563xx->core_cache->reg_list[num].valid)
+ {
+ arch_info = dsp563xx->core_cache->reg_list[num].arch_info;
- dsp563xx_restore_context(target);
+ switch (arch_info->num)
+ {
+ case DSP563XX_REG_IDX_SSH:
+ err = dsp563xx_reg_ssh_read(target);
+ break;
+ case DSP563XX_REG_IDX_SSL:
+ err = dsp563xx_reg_ssl_read(target);
+ break;
+ case DSP563XX_REG_IDX_PC:
+ err = dsp563xx_reg_pc_read(target);
+ break;
+ case DSP563XX_REG_IDX_IPRC:
+ case DSP563XX_REG_IDX_IPRP:
+ case DSP563XX_REG_IDX_BCR:
+ case DSP563XX_REG_IDX_DCR:
+ case DSP563XX_REG_IDX_AAR0:
+ case DSP563XX_REG_IDX_AAR1:
+ case DSP563XX_REG_IDX_AAR2:
+ case DSP563XX_REG_IDX_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;
+ }
- /* reset trace mode */
- dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OSCR, 0x000000);
- /* enable trace mode */
- dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OSCR,
- DSP563XX_ONCE_OSCR_TME);
+ }
- cnt = 0;
+ return err;
+}
- /* on JUMP we need one extra cycle */
- if (!current)
- cnt++;
+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;
- /* load step counter with N-1 */
- dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OTC, cnt);
+ if (force)
+ dsp563xx->core_cache->reg_list[num].dirty = 1;
- 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);
- }
- else
+ if (dsp563xx->core_cache->reg_list[num].dirty)
{
- /* 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);
- }
+ arch_info = dsp563xx->core_cache->reg_list[num].arch_info;
- while (1)
- {
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OSCR,
- &once_status);
+ dsp563xx->write_core_reg(target, num);
- if (once_status & DSP563XX_ONCE_OSCR_TO)
+ switch (arch_info->num)
{
- /* 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);
-
- /* reset trace mode */
- dsp563xx_once_reg_write(target->tap, DSP563XX_ONCE_OSCR,
- 0x000000);
-
- break;
+ case DSP563XX_REG_IDX_SSH:
+ err = dsp563xx_reg_ssh_write(target);
+ break;
+ case DSP563XX_REG_IDX_PC:
+ /* pc is updated on resume, no need to write it here */
+ break;
+ case DSP563XX_REG_IDX_IPRC:
+ case DSP563XX_REG_IDX_IPRP:
+ case DSP563XX_REG_IDX_BCR:
+ case DSP563XX_REG_IDX_DCR:
+ case DSP563XX_REG_IDX_AAR0:
+ case DSP563XX_REG_IDX_AAR1:
+ case DSP563XX_REG_IDX_AAR2:
+ case DSP563XX_REG_IDX_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 == DSP563XX_REG_IDX_SP))
+ {
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSH].valid = 0;
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSL].valid = 0;
+ }
+
+ break;
}
}
- return ERROR_OK;
+ return err;
}
-int dsp563xx_assert_reset(struct target *target)
+static int dsp563xx_save_context(struct target *target)
{
- target->state = TARGET_RESET;
+ int i, err = ERROR_OK;
- LOG_DEBUG("%s", __FUNCTION__);
- return ERROR_OK;
+ for (i = 0; i < DSP563XX_NUMCOREREGS; i++)
+ {
+ if ((err = dsp563xx_read_register(target, i, 0)) != ERROR_OK)
+ break;
+ }
+
+ return err;
}
-int dsp563xx_deassert_reset(struct target *target)
+static int dsp563xx_restore_context(struct target *target)
{
- target->state = TARGET_RUNNING;
+ int i, err = ERROR_OK;
- LOG_DEBUG("%s", __FUNCTION__);
- return ERROR_OK;
-}
+ for (i = 0; i < DSP563XX_NUMCOREREGS; i++)
+ {
+ if ((err = dsp563xx_write_register(target, i, 0)) != ERROR_OK)
+ break;
+ }
-int dsp563xx_soft_reset_halt(struct target *target)
-{
- LOG_DEBUG("%s", __FUNCTION__);
- return ERROR_OK;
+ return err;
}
-/*
-* 000000 nop
-* 46F400 AABBCC move #$aabbcc,y0
-* 60F400 AABBCC move #$aabbcc,r0
-* 467000 AABBCC move y0,x:AABBCC
-* 607000 AABBCC move r0,x:AABBCC
-
-* 46E000 move x:(r0),y0
-* 4EE000 move y:(r0),y0
-* 07E086 move p:(r0),y0
-
-* 0450B9 move sr,r0
-* 0446BA move omr,y0
-* 0446BC move ssh,y0
-* 0446BD move ssl,y0
-* 0446BE move la,y0
-* 0446BF move lc,y0
-*
-* 61F000 AABBCC move x:AABBCC,r1
-* 076190 movem r0,p:(r1)
-*
-*/
-int dsp563xx_read_memory_p(struct target *target, uint32_t address,
- uint32_t size, uint32_t count, uint8_t * buffer)
+static void dsp563xx_invalidate_x_context(struct target *target, uint32_t addr_start, uint32_t addr_end )
{
- uint32_t i, x;
- uint32_t data;
- uint8_t *b;
+ int i;
+ struct dsp563xx_core_reg *arch_info;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
- LOG_DEBUG("address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8"
- PRIx32, address, size, count);
+ if ( addr_start > ASM_REG_W_IPRC )
+ return;
+ if ( addr_start < ASM_REG_W_AAR3 )
+ return;
- if (target->state != TARGET_HALTED)
+ for (i = DSP563XX_REG_IDX_IPRC; i < DSP563XX_NUMCOREREGS; i++)
{
- LOG_WARNING("target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
+ arch_info = dsp563xx->core_cache->reg_list[i].arch_info;
- x = count;
+ if ( (arch_info->instr_mask >= addr_start) &&
+ (arch_info->instr_mask <= addr_end))
+ {
+ dsp563xx->core_cache->reg_list[i].valid = 0;
+ dsp563xx->core_cache->reg_list[i].dirty = 0;
+ }
+ }
+}
- 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();
+static int dsp563xx_target_create(struct target *target, Jim_Interp * interp)
+{
+ struct dsp563xx_common *dsp563xx = calloc(1, sizeof(struct dsp563xx_common));
- dsp563xx_once_reg_read(target->tap, DSP563XX_ONCE_OGDBR, &data);
+ if (!dsp563xx)
+ return ERROR_INVALID_ARGUMENTS;
- b = buffer + 4 * i;
- if (size > 0)
- *b++ = data >> 0;
- if (size > 1)
- *b++ = data >> 8;
- if (size > 2)
- *b++ = data >> 16;
- if (size > 3)
- *b++ = 0x00;
- }
+ dsp563xx->jtag_info.tap = target->tap;
+ target->arch_info = dsp563xx;
+ dsp563xx->read_core_reg = dsp563xx_read_core_reg;
+ dsp563xx->write_core_reg = dsp563xx_write_core_reg;
return ERROR_OK;
}
-int dsp563xx_write_memory_p(struct target *target, uint32_t address, uint32_t size,
- uint32_t count, uint8_t * buffer)
+static int dsp563xx_init_target(struct command_context *cmd_ctx, struct target *target)
{
- uint32_t i, x;
- uint32_t data;
- uint8_t *b;
+ LOG_DEBUG("%s", __FUNCTION__);
- LOG_DEBUG("address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8"
- PRIx32 "", address, size, count);
+ dsp563xx_build_reg_cache(target);
- if (target->state != TARGET_HALTED)
- {
- LOG_WARNING("target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
+ return ERROR_OK;
+}
- x = count;
+static int dsp563xx_examine(struct target *target)
+{
+ uint32_t chip;
- for (i = 0; i < x; i++)
+ if (target->tap->hasidcode == false)
{
- b = buffer + 4 * i;
+ LOG_ERROR("no IDCODE present on device");
+
+ return ERROR_INVALID_ARGUMENTS;
+ }
- data = 0;
- if (size > 0)
- data = *buffer++;
- if (size > 1)
- data |= (*buffer++) << 8;
- if (size > 2)
- data |= (*buffer++) << 16;
- if (size > 3)
- data |= (*buffer++) << 24;
+ if (!target_was_examined(target))
+ {
+ target_set_examined(target);
-// LOG_DEBUG("%08X", data);
+ /* examine core and chip derivate number */
+ chip = (target->tap->idcode>>12)&0x3ff;
+ /* core number 0 means DSP563XX */
+ if ( ((chip>>5)&0x1f) == 0 )
+ chip += 300;
- 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();
+ LOG_INFO("DSP56%03d device found",chip);
}
return ERROR_OK;
}
-int dsp563xx_jtag_senddat(struct jtag_tap *tap, uint32_t * dr_in, uint32_t dr_out,
- int len)
+static int dsp563xx_arch_state(struct target *target)
{
- return dsp563xx_write_dr_u32(tap, dr_in, dr_out, len, 1);
+ LOG_DEBUG("%s", __FUNCTION__);
+ return ERROR_OK;
}
-int dsp563xx_jtag_sendinstr(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out)
+#define DSP563XX_SR_SA (1<<17)
+#define DSP563XX_SR_SC (1<<13)
+
+static int dsp563xx_debug_once_init(struct target *target)
{
- return dsp563xx_write_ir_u8(tap, ir_in, ir_out, DSP563XX_JTAG_INS_LEN, 1);
+ return dsp563xx_once_read_register(target->tap, 1, once_regs, DSP563XX_NUMONCEREGS);
}
-/* IR and DR functions */
-int dsp563xx_write_ir(struct jtag_tap *tap, uint8_t * ir_in, uint8_t * ir_out,
- int ir_len, int rti)
+static int dsp563xx_debug_init(struct target *target)
{
- if (NULL == tap)
- {
- LOG_ERROR("invalid tap");
- return ERROR_FAIL;
- }
- if (ir_len != tap->ir_length)
- {
- LOG_ERROR("invalid ir_len");
- return ERROR_FAIL;
- }
+ int err;
+ uint32_t sr;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+ struct dsp563xx_core_reg *arch_info;
+
+ if ((err = dsp563xx_debug_once_init(target)) != ERROR_OK)
+ return err;
+
+ arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SR].arch_info;
+
+ /* check 24bit mode */
+ if ((err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SR, 0)) != ERROR_OK)
+ return err;
+
+ sr = dsp563xx->core_regs[DSP563XX_REG_IDX_SR];
+
+ if (sr & (DSP563XX_SR_SA | DSP563XX_SR_SC))
+ {
+ sr &= ~(DSP563XX_SR_SA | DSP563XX_SR_SC);
+
+ if ((err = dsp563xx_once_execute_dw_ir(target->tap, 1, arch_info->instr_mask, sr)) != ERROR_OK)
+ return err;
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SR].dirty = 1;
+ }
+
+ if ((err = dsp563xx_read_register(target, DSP563XX_REG_IDX_N0, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_read_register(target, DSP563XX_REG_IDX_N1, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_read_register(target, DSP563XX_REG_IDX_M0, 0)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_read_register(target, DSP563XX_REG_IDX_M1, 0)) != ERROR_OK)
+ return err;
+
+ if (dsp563xx->core_regs[DSP563XX_REG_IDX_N0] != 0x000000)
+ {
+ arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_N0].arch_info;
+ if ((err = dsp563xx_reg_write(target, arch_info->instr_mask, 0x000000)) != ERROR_OK)
+ return err;
+ }
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_N0].dirty = 1;
+
+ if (dsp563xx->core_regs[DSP563XX_REG_IDX_N1] != 0x000000)
+ {
+ arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_N1].arch_info;
+ if ((err = dsp563xx_reg_write(target, arch_info->instr_mask, 0x000000)) != ERROR_OK)
+ return err;
+ }
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_N1].dirty = 1;
+
+ if (dsp563xx->core_regs[DSP563XX_REG_IDX_M0] != 0xffffff)
+ {
+ arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_M0].arch_info;
+ if ((err = dsp563xx_reg_write(target, arch_info->instr_mask, 0xffffff)) != ERROR_OK)
+ return err;
+ }
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_M0].dirty = 1;
+
+ if (dsp563xx->core_regs[DSP563XX_REG_IDX_M1] != 0xffffff)
+ {
+ arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_M1].arch_info;
+ if ((err = dsp563xx_reg_write(target, arch_info->instr_mask, 0xffffff)) != ERROR_OK)
+ return err;
+ }
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_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)
+{
+ int err;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+ uint32_t once_status=0;
+ int state;
+
+ state = dsp563xx_once_target_status(target->tap);
+
+ if (state == TARGET_UNKNOWN)
+ {
+ target->state = state;
+ LOG_ERROR("jtag status contains invalid mode value - communication failure");
+ return ERROR_TARGET_FAILURE;
+ }
+
+ if ((err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OSCR, &once_status)) != ERROR_OK)
+ return err;
+
+ if ((once_status & DSP563XX_ONCE_OSCR_DEBUG_M) == DSP563XX_ONCE_OSCR_DEBUG_M)
+ {
+ if (target->state != TARGET_HALTED)
+ {
+ target->state = TARGET_HALTED;
+
+ if ((err = dsp563xx_debug_init(target)) != ERROR_OK)
+ return err;
+
+ if ( once_status & (DSP563XX_ONCE_OSCR_MBO|DSP563XX_ONCE_OSCR_SWO) )
+ {
+ target_call_event_callbacks(target, TARGET_EVENT_DEBUG_HALTED);
+ }
+ else
+ {
+ target_call_event_callbacks(target, TARGET_EVENT_HALTED);
+ }
+
+ LOG_DEBUG("target->state: %s (%x)", target_state_name(target),once_status);
+
+ LOG_INFO("halted: PC: 0x%x", dsp563xx->core_regs[DSP563XX_REG_IDX_PC] );
+ }
+ }
+
+ return ERROR_OK;
+}
+
+static int dsp563xx_halt(struct target *target)
+{
+ int err;
+
+ LOG_DEBUG("%s", __FUNCTION__);
+
+ if (target->state == TARGET_HALTED)
+ {
+ LOG_DEBUG("target was already halted");
+ return ERROR_OK;
+ }
+
+ if (target->state == TARGET_UNKNOWN)
+ {
+ LOG_WARNING("target was in unknown state when halt was requested");
+ }
+
+ if ((err = dsp563xx_jtag_debug_request(target)) != ERROR_OK)
+ return err;
+
+ target->debug_reason = DBG_REASON_DBGRQ;
+
+ return ERROR_OK;
+}
+
+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);
+
+ /* check if pc was changed and resume want to execute the next address
+ * if pc was changed from gdb or other interface we will
+ * jump to this address and don't execute the next address
+ * this will not affect the resume command with an address argument
+ * because current is set to zero then
+ */
+ if ( current && dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_PC].dirty )
+ {
+ dsp563xx_write_core_reg(target,DSP563XX_REG_IDX_PC);
+ address = dsp563xx->core_regs[DSP563XX_REG_IDX_PC];
+ current = 0;
+ }
+
+ LOG_DEBUG("%s %08X %08X", __FUNCTION__, current, (unsigned) address);
+
+ if ((err = dsp563xx_restore_context(target)) != ERROR_OK)
+ return err;
+ register_cache_invalidate(dsp563xx->core_cache);
+
+ if (current)
+ {
+ /* restore pipeline registers and go */
+ if ((err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OPDBR, once_regs[ONCE_REG_IDX_OPILR].reg)) != ERROR_OK)
+ return err;
+ if ((err =
+ dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OPDBR | DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO,
+ once_regs[ONCE_REG_IDX_OPDBR].reg)) != ERROR_OK)
+ return err;
+ }
+ else
+ {
+ /* set to go register and jump */
+ if ((err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OPDBR, INSTR_JUMP)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_PDBGOTO | DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO, address)) != ERROR_OK)
+ return err;
+ }
+
+ target->state = TARGET_RUNNING;
+
+ target_call_event_callbacks(target, TARGET_EVENT_DEBUG_RESUMED);
+
+ return ERROR_OK;
+}
+
+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);
+
+ if (target->state != TARGET_HALTED)
+ {
+ LOG_DEBUG("target was not halted");
+ return ERROR_OK;
+ }
+
+ /* check if pc was changed and step want to execute the next address
+ * if pc was changed from gdb or other interface we will
+ * jump to this address and don't execute the next address
+ * this will not affect the step command with an address argument
+ * because current is set to zero then
+ */
+ if ( current && dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_PC].dirty )
+ {
+ dsp563xx_write_core_reg(target,DSP563XX_REG_IDX_PC);
+ address = dsp563xx->core_regs[DSP563XX_REG_IDX_PC];
+ current = 0;
+ }
+
+ LOG_DEBUG("%s %08X %08X", __FUNCTION__, current, (unsigned) address);
+
+ if ((err = dsp563xx_jtag_debug_request(target)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_restore_context(target)) != ERROR_OK)
+ return err;
+
+ /* reset trace mode */
+ if ((err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OSCR, 0x000000)) != ERROR_OK)
+ return err;
+ /* enable trace mode */
+ if ((err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OSCR, DSP563XX_ONCE_OSCR_TME)) != ERROR_OK)
+ return err;
+ cnt = steps;
+
+ /* on JUMP we need one extra cycle */
+ if (!current)
+ cnt++;
+
+ /* load step counter with N-1 */
+ if ((err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OTC, cnt)) != ERROR_OK)
+ return err;
+
+ if (current)
{
- jtag_add_plain_ir_scan(tap->ir_length, ir_out, ir_in, TAP_IDLE);
+ /* restore pipeline registers and go */
+ if ((err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OPDBR, once_regs[ONCE_REG_IDX_OPILR].reg)) != ERROR_OK)
+ return err;
+ if ((err =
+ dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OPDBR | DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO,
+ once_regs[ONCE_REG_IDX_OPDBR].reg)) != ERROR_OK)
+ return err;
+ }
+ else
+ {
+ /* set to go register and jump */
+ if ((err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OPDBR, INSTR_JUMP)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_PDBGOTO | DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO, address)) != ERROR_OK)
+ return err;
+ }
+
+ while (1)
+ {
+ if ((err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OSCR, &once_status)) != ERROR_OK)
+ return err;
+
+ if (once_status & DSP563XX_ONCE_OSCR_TO)
+ {
+ if ((err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OPABFR, &dr_in)) != ERROR_OK)
+ return err;
+ LOG_DEBUG("fetch: %08X", (unsigned) dr_in&0x00ffffff);
+ if ((err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OPABDR, &dr_in)) != ERROR_OK)
+ return err;
+ LOG_DEBUG("decode: %08X", (unsigned) dr_in&0x00ffffff);
+ if ((err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OPABEX, &dr_in)) != ERROR_OK)
+ return err;
+ LOG_DEBUG("execute: %08X", (unsigned) dr_in&0x00ffffff);
+
+ /* reset trace mode */
+ if ((err = dsp563xx_once_reg_write(target->tap, 1, 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;
+ }
}
return ERROR_OK;
}
-int dsp563xx_write_dr(struct jtag_tap *tap, uint8_t * dr_in, uint8_t * dr_out,
- int dr_len, int rti)
+static int dsp563xx_step(struct target *target, int current, uint32_t address, int handle_breakpoints)
+{
+ int err;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+
+ if (target->state != TARGET_HALTED)
+ {
+ LOG_WARNING("target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ if ( (err=dsp563xx_step_ex(target, current, address, handle_breakpoints, 0)) != ERROR_OK )
+ {
+ return err;
+ }
+
+ target->debug_reason = DBG_REASON_SINGLESTEP;
+ target_call_event_callbacks(target, TARGET_EVENT_HALTED);
+
+ LOG_INFO("halted: PC: 0x%x", dsp563xx->core_regs[DSP563XX_REG_IDX_PC] );
+
+ return err;
+}
+
+static int dsp563xx_assert_reset(struct target *target)
{
- if (NULL == tap)
+ 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)
{
- LOG_ERROR("invalid tap");
- return ERROR_FAIL;
+ /* 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)
{
- jtag_add_plain_dr_scan(dr_len, dr_out, dr_in, TAP_IDLE);
+ if ((retval = target_halt(target)) != ERROR_OK)
+ return retval;
}
+ LOG_DEBUG("%s", __FUNCTION__);
return ERROR_OK;
}
-int dsp563xx_write_ir_u8(struct jtag_tap *tap, uint8_t * ir_in, uint8_t ir_out,
- int ir_len, int rti)
+static int dsp563xx_deassert_reset(struct target *target)
{
- if (ir_len > 8)
+ 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;
+ }
+ }
+ else
{
- LOG_ERROR("ir_len overflow, maxium is 8");
- return ERROR_FAIL;
+ target->state = TARGET_RUNNING;
}
- dsp563xx_write_ir(tap, ir_in, &ir_out, ir_len, rti);
+ LOG_DEBUG("%s", __FUNCTION__);
+ return ERROR_OK;
+}
+static int dsp563xx_soft_reset_halt(struct target *target)
+{
+ LOG_DEBUG("%s", __FUNCTION__);
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)
+static int dsp563xx_run_algorithm(struct target *target,
+ int num_mem_params, struct mem_param *mem_params,
+ int num_reg_params, struct reg_param *reg_params,
+ uint32_t entry_point, uint32_t exit_point,
+ int timeout_ms, void *arch_info)
{
- if (dr_len > 8)
+ int i;
+ int retval = ERROR_OK;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+
+ if (target->state != TARGET_HALTED)
+ {
+ LOG_WARNING("target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ for (i = 0; i < num_mem_params; i++)
+ {
+ if ((retval = target_write_buffer(target, mem_params[i].address, mem_params[i].size, mem_params[i].value)) != ERROR_OK)
+ {
+ return retval;
+ }
+ }
+
+ for (i = 0; i < num_reg_params; i++)
+ {
+ struct reg *reg = register_get_by_name(dsp563xx->core_cache, reg_params[i].reg_name, 0);
+
+ if (!reg)
+ {
+ LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name);
+ continue;
+ }
+
+ if (reg->size != reg_params[i].size)
+ {
+ LOG_ERROR("BUG: register '%s' size doesn't match reg_params[i].size", reg_params[i].reg_name);
+ continue;
+ }
+
+ if ((retval = dsp563xx_set_core_reg(reg, reg_params[i].value)) != ERROR_OK)
+ {
+ return retval;
+ }
+ }
+
+ /* exec */
+ if ((retval = target_resume(target, 0, entry_point, 1, 1)) != ERROR_OK)
{
- LOG_ERROR("dr_len overflow, maxium is 8");
- return ERROR_FAIL;
+ return retval;
}
- dsp563xx_write_dr(tap, dr_in, &dr_out, dr_len, rti);
+ if ((retval = target_wait_state(target, TARGET_HALTED, timeout_ms)) != ERROR_OK)
+ {
+ return retval;
+ }
+
+ for (i = 0; i < num_mem_params; i++)
+ {
+ if (mem_params[i].direction != PARAM_OUT)
+ retval = target_read_buffer(target,
+ mem_params[i].address,
+ mem_params[i].size,
+ mem_params[i].value);
+ if (retval != ERROR_OK)
+ return retval;
+ }
+
+ for (i = 0; i < num_reg_params; i++)
+ {
+ if (reg_params[i].direction != PARAM_OUT)
+ {
+
+ struct reg *reg = register_get_by_name(dsp563xx->core_cache, reg_params[i].reg_name, 0);
+ if (!reg)
+ {
+ LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name);
+ continue;
+ }
+
+ if (reg->size != reg_params[i].size)
+ {
+ LOG_ERROR("BUG: register '%s' size doesn't match reg_params[i].size", reg_params[i].reg_name);
+ continue;
+ }
+
+ buf_set_u32(reg_params[i].value, 0, 32, buf_get_u32(reg->value, 0, 32));
+ }
+ }
return ERROR_OK;
}
-int dsp563xx_write_ir_u16(struct jtag_tap *tap, uint16_t * ir_in, uint16_t ir_out,
- int ir_len, int rti)
+/* global command context from openocd.c */
+extern struct command_context *global_cmd_ctx;
+
+static int dsp563xx_get_default_memory(void)
+{
+ Jim_Interp *interp;
+ Jim_Obj * memspace;
+ char * c;
+
+ if ( !global_cmd_ctx )
+ return MEM_P;
+
+ interp = global_cmd_ctx->interp;
+
+ if ( !interp )
+ return MEM_P;
+
+ memspace = Jim_GetGlobalVariableStr(interp,"memspace", JIM_NONE);
+
+ if ( !memspace )
+ return MEM_P;
+
+ c = (char*)Jim_GetString(memspace,NULL);
+
+ if ( !c )
+ return MEM_P;
+
+ switch(c[0])
+ {
+ case '1':
+ return MEM_X;
+ case '2':
+ return MEM_Y;
+ case '3':
+ return MEM_L;
+ default:
+ break;
+ }
+
+ return MEM_P;
+}
+
+static int dsp563xx_read_memory_core(struct target *target, int mem_type, uint32_t address, uint32_t size, uint32_t count, uint8_t * buffer)
{
- if (ir_len > 16)
+ int err;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+ uint32_t i, x;
+ uint32_t data, move_cmd = 0;
+ uint8_t *b;
+
+ LOG_DEBUG("memtype: %d address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32 "", mem_type,address, size, count);
+
+ if (target->state != TARGET_HALTED)
+ {
+ LOG_WARNING("target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ switch (mem_type)
+ {
+ case MEM_X:
+ /* TODO: mark effected queued registers */
+ move_cmd = 0x61d800;
+ break;
+ case MEM_Y:
+ move_cmd = 0x69d800;
+ break;
+ case MEM_P:
+ move_cmd = 0x07d891;
+ break;
+ default:
+ return ERROR_INVALID_ARGUMENTS;
+ }
+
+ /* we use r0 to store temporary data */
+ if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].valid)
+ dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R0);
+ /* we use r1 to store temporary data */
+ if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R1].valid)
+ dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R1);
+
+ /* r0 is no longer valid on target */
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].dirty = 1;
+ /* r1 is no longer valid on target */
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R1].dirty = 1;
+
+ x = count;
+ b = buffer;
+
+ if ((err = dsp563xx_once_execute_dw_ir(target->tap, 1, 0x60F400, address)) != ERROR_OK)
+ return err;
+
+ for (i = 0; i < x; i++)
{
- LOG_ERROR("ir_len overflow, maxium is 16");
- return ERROR_FAIL;
+ if ((err = dsp563xx_once_execute_sw_ir(target->tap, 0, move_cmd)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_execute_sw_ir(target->tap, 0, 0x08D13C)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_reg_read(target->tap, 0, DSP563XX_ONCE_OGDBR, (uint32_t*)(void *)b)) != ERROR_OK)
+ return err;
+ b += 4;
}
- dsp563xx_write_ir(tap, (uint8_t *) ir_in, (uint8_t *) & ir_out, ir_len, rti);
+ /* flush the jtag queue */
+ if ((err = jtag_execute_queue()) != ERROR_OK)
+ {
+ return err;
+ }
+
+ /* walk over the buffer and fix target endianness */
+ b = buffer;
+
+ for (i = 0; i < x; i++)
+ {
+ data = buf_get_u32(b, 0, 32) & 0x00FFFFFF;
+// LOG_DEBUG("R: %08X", *((uint32_t*)b));
+ target_buffer_set_u32(target, b, data);
+ b += 4;
+ }
return ERROR_OK;
}
-int dsp563xx_write_dr_u16(struct jtag_tap *tap, uint16_t * dr_in, uint16_t dr_out,
- int dr_len, int rti)
+static int dsp563xx_read_memory(struct target *target, int mem_type, uint32_t address, uint32_t size, uint32_t count, uint8_t * buffer)
{
- if (dr_len > 16)
+ int err;
+ uint32_t i,i1;
+ uint8_t *buffer_y,*buffer_x;
+
+ /* if size equals zero we are called from target read memory
+ * and have to handle the parameter here */
+ if ( (size == 0) && (count != 0) )
+ {
+ size = count % 4;
+
+ if ( size )
+ {
+ LOG_DEBUG("size is not aligned to 4 byte");
+ }
+
+ count = (count - size) / 4;
+ size = 4;
+ }
+
+ /* we only support 4 byte aligned data */
+ if ( (size != 4) || (!count) )
+ {
+ return ERROR_INVALID_ARGUMENTS;
+ }
+
+ if ( mem_type != MEM_L )
+ {
+ return dsp563xx_read_memory_core(target,mem_type,address,size,count,buffer);
+ }
+
+ if ( !(buffer_y = malloc(size*count)) )
+ {
+ return ERROR_INVALID_ARGUMENTS;
+ }
+
+ if ( !(buffer_x = malloc(size*count)) )
+ {
+ free(buffer_y);
+ return ERROR_INVALID_ARGUMENTS;
+ }
+
+ err = dsp563xx_read_memory_core(target,MEM_Y,address,size,count/2,buffer_y);
+
+ if ( err != ERROR_OK )
+ {
+ free(buffer_y);
+ free(buffer_x);
+ return err;
+ }
+
+ err = dsp563xx_read_memory_core(target,MEM_X,address,size,count/2,buffer_x);
+
+ if ( err != ERROR_OK )
{
- LOG_ERROR("dr_len overflow, maxium is 16");
- return ERROR_FAIL;
+ free(buffer_y);
+ free(buffer_x);
+ return err;
}
- dsp563xx_write_dr(tap, (uint8_t *) dr_in, (uint8_t *) & dr_out, dr_len, rti);
+ for(i=0,i1=0;i<count;i+=2,i1++)
+ {
+ buf_set_u32(buffer + i*sizeof(uint32_t), 0, 32, buf_get_u32(buffer_y+i1*sizeof(uint32_t), 0, 32));
+ buf_set_u32(buffer + (i + 1) *sizeof(uint32_t), 0, 32, buf_get_u32(buffer_x+i1*sizeof(uint32_t), 0, 32));
+ }
+
+ free(buffer_y);
+ free(buffer_x);
return ERROR_OK;
}
-int dsp563xx_write_ir_u32(struct jtag_tap *tap, uint32_t * ir_in, uint32_t ir_out,
- int ir_len, int rti)
+static int dsp563xx_read_memory_default(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t * buffer)
{
- if (ir_len > 32)
+
+ return dsp563xx_read_memory(target, dsp563xx_get_default_memory(), address, size, count, buffer);
+}
+
+static int dsp563xx_read_buffer_default(struct target *target, uint32_t address, uint32_t size, uint8_t * buffer)
+{
+
+ return dsp563xx_read_memory(target, dsp563xx_get_default_memory(), address, size, 0, buffer);
+}
+
+static int dsp563xx_write_memory_core(struct target *target, int mem_type, uint32_t address, uint32_t size, uint32_t count, const uint8_t * buffer)
+{
+ int err;
+ struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
+ uint32_t i, x;
+ uint32_t data, move_cmd = 0;
+ const uint8_t *b;
+
+ LOG_DEBUG("memtype: %d address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32 "", mem_type,address, size, count);
+
+ if (target->state != TARGET_HALTED)
+ {
+ LOG_WARNING("target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ switch (mem_type)
+ {
+ case MEM_X:
+ /* invalidate affected x registers */
+ dsp563xx_invalidate_x_context(target,address,address+count-1);
+ move_cmd = 0x615800;
+ break;
+ case MEM_Y:
+ move_cmd = 0x695800;
+ break;
+ case MEM_P:
+ move_cmd = 0x075891;
+ break;
+ default:
+ return ERROR_INVALID_ARGUMENTS;
+ }
+
+ /* we use r0 to store temporary data */
+ if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].valid)
+ dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R0);
+ /* we use r1 to store temporary data */
+ if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R1].valid)
+ dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R1);
+
+ /* r0 is no longer valid on target */
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].dirty = 1;
+ /* r1 is no longer valid on target */
+ dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R1].dirty = 1;
+
+ x = count;
+ b = buffer;
+
+ if ((err = dsp563xx_once_execute_dw_ir(target->tap, 1, 0x60F400, address)) != ERROR_OK)
+ return err;
+
+ for (i = 0; i < x; i++)
{
- LOG_ERROR("ir_len overflow, maxium is 32");
- return ERROR_FAIL;
+ data = target_buffer_get_u32(target, b);
+
+// LOG_DEBUG("W: %08X", data);
+
+ data &= 0x00ffffff;
+
+ if ((err = dsp563xx_once_execute_dw_ir(target->tap, 0, 0x61F400, data)) != ERROR_OK)
+ return err;
+ if ((err = dsp563xx_once_execute_sw_ir(target->tap, 0, move_cmd)) != ERROR_OK)
+ return err;
+ b += 4;
}
- dsp563xx_write_ir(tap, (uint8_t *) ir_in, (uint8_t *) & ir_out, ir_len, rti);
+ /* flush the jtag queue */
+ if ((err = jtag_execute_queue()) != ERROR_OK)
+ {
+ return err;
+ }
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)
+static int dsp563xx_write_memory(struct target *target, int mem_type, uint32_t address, uint32_t size, uint32_t count, const uint8_t * buffer)
{
- if (dr_len > 32)
+ int err;
+ uint32_t i,i1;
+ uint8_t *buffer_y,*buffer_x;
+
+ /* if size equals zero we are called from target write memory
+ * and have to handle the parameter here */
+ if ( (size == 0) && (count != 0) )
+ {
+ size = count % 4;
+
+ if ( size )
+ {
+ LOG_DEBUG("size is not aligned to 4 byte");
+ }
+
+ count = (count - size) / 4;
+ size = 4;
+ }
+
+ /* we only support 4 byte aligned data */
+ if ( (size != 4) || (!count) )
+ {
+ return ERROR_INVALID_ARGUMENTS;
+ }
+
+ if ( mem_type != MEM_L )
+ {
+ return dsp563xx_write_memory_core(target,mem_type,address,size,count,buffer);
+ }
+
+ if ( !(buffer_y = malloc(size*count)) )
+ {
+ return ERROR_INVALID_ARGUMENTS;
+ }
+
+ if ( !(buffer_x = malloc(size*count)) )
{
- LOG_ERROR("dr_len overflow, maxium is 32");
- return ERROR_FAIL;
+ free(buffer_y);
+ return ERROR_INVALID_ARGUMENTS;
}
- dsp563xx_write_dr(tap, (uint8_t *) dr_in, (uint8_t *) & dr_out, dr_len, rti);
+ for(i=0,i1=0;i<count;i+=2,i1++)
+ {
+ buf_set_u32(buffer_y + i1*sizeof(uint32_t), 0, 32, buf_get_u32(buffer+i*sizeof(uint32_t), 0, 32));
+ buf_set_u32(buffer_x + i1*sizeof(uint32_t), 0, 32, buf_get_u32(buffer+(i+1)*sizeof(uint32_t), 0, 32));
+ }
+
+ err = dsp563xx_write_memory_core(target,MEM_Y,address,size,count/2,buffer_y);
+
+ if ( err != ERROR_OK )
+ {
+ free(buffer_y);
+ free(buffer_x);
+ return err;
+ }
+
+ err = dsp563xx_write_memory_core(target,MEM_X,address,size,count/2,buffer_x);
+
+ if ( err != ERROR_OK )
+ {
+ free(buffer_y);
+ free(buffer_x);
+ return err;
+ }
+
+ free(buffer_y);
+ free(buffer_x);
+
+ return ERROR_OK;
+}
+
+static int dsp563xx_write_memory_default(struct target *target, uint32_t address, uint32_t size, uint32_t count, const uint8_t * buffer)
+{
+ return dsp563xx_write_memory(target, dsp563xx_get_default_memory(), address, size, count, buffer);
+}
+
+static int dsp563xx_write_buffer_default(struct target *target, uint32_t address, uint32_t size, const uint8_t * buffer)
+{
+ return dsp563xx_write_memory(target, dsp563xx_get_default_memory(), address, size, 0, buffer);
+}
+
+static int dsp563xx_bulk_write_memory_default(struct target *target, uint32_t address, uint32_t count, const uint8_t *buffer)
+{
+ return dsp563xx_write_memory(target, dsp563xx_get_default_memory(), address, 4, count, buffer);
+}
+
+static int dsp563xx_add_breakpoint(struct target *target, struct breakpoint *breakpoint)
+{
+ return ERROR_OK;
+}
+static int dsp563xx_remove_breakpoint(struct target *target, struct breakpoint *breakpoint)
+{
return ERROR_OK;
}
-int dsp563xx_execute_queue(void)
+static int dsp563xx_add_watchpoint(struct target *target, struct watchpoint *watchpoint)
+{
+ return ERROR_OK;
+}
+
+static int dsp563xx_remove_watchpoint(struct target *target, struct watchpoint *watchpoint)
+{
+ return ERROR_OK;
+}
+
+static void handle_md_output(struct command_context *cmd_ctx, struct target *target, uint32_t address, unsigned size, unsigned count, const uint8_t * buffer)
+{
+ const unsigned line_bytecnt = 32;
+ unsigned line_modulo = line_bytecnt / size;
+
+ char output[line_bytecnt * 4 + 1];
+ unsigned output_len = 0;
+
+ const char *value_fmt;
+ switch (size)
+ {
+ case 4:
+ value_fmt = "%8.8x ";
+ break;
+ case 2:
+ value_fmt = "%4.4x ";
+ break;
+ case 1:
+ value_fmt = "%2.2x ";
+ break;
+ default:
+ /* "can't happen", caller checked */
+ LOG_ERROR("invalid memory read size: %u", size);
+ return;
+ }
+
+ for (unsigned i = 0; i < count; i++)
+ {
+ if (i % line_modulo == 0)
+ {
+ output_len += snprintf(output + output_len, sizeof(output) - output_len, "0x%8.8x: ", (unsigned) (address + i));
+ }
+
+ uint32_t value = 0;
+ const uint8_t *value_ptr = buffer + i * size;
+ switch (size)
+ {
+ case 4:
+ value = target_buffer_get_u32(target, value_ptr);
+ break;
+ case 2:
+ value = target_buffer_get_u16(target, value_ptr);
+ break;
+ case 1:
+ value = *value_ptr;
+ }
+ output_len += snprintf(output + output_len, sizeof(output) - output_len, value_fmt, value);
+
+ if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
+ {
+ command_print(cmd_ctx, "%s", output);
+ output_len = 0;
+ }
+ }
+}
+
+COMMAND_HANDLER(dsp563xx_mem_command)
{
- return jtag_execute_queue();
+ struct target *target = get_current_target(CMD_CTX);
+ int err = ERROR_OK;
+ int read_mem;
+ uint32_t address = 0;
+ uint32_t count = 1, i;
+ uint32_t pattern = 0;
+ uint32_t mem_type;
+ uint8_t *buffer, *b;
+
+ switch (CMD_NAME[1])
+ {
+ case 'w':
+ read_mem = 0;
+ break;
+ case 'd':
+ read_mem = 1;
+ break;
+ default:
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ switch (CMD_NAME[3])
+ {
+ case 'x':
+ mem_type = MEM_X;
+ break;
+ case 'y':
+ mem_type = MEM_Y;
+ break;
+ case 'p':
+ mem_type = MEM_P;
+ break;
+ default:
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ if (CMD_ARGC > 0)
+ {
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
+ }
+
+ if (read_mem == 0)
+ {
+ if (CMD_ARGC < 2)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ if (CMD_ARGC > 1)
+ {
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], pattern);
+ }
+ if (CMD_ARGC > 2)
+ {
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
+ }
+ }
+
+ if (read_mem == 1)
+ {
+ if (CMD_ARGC < 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ if (CMD_ARGC > 1)
+ {
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], count);
+ }
+ }
+
+ buffer = calloc(count, sizeof(uint32_t));
+
+ if (read_mem == 1)
+ {
+ if ((err = dsp563xx_read_memory(target, mem_type, address, sizeof(uint32_t), count, buffer)) == ERROR_OK)
+ handle_md_output(CMD_CTX, target, address, sizeof(uint32_t), count, buffer);
+ }
+ else
+ {
+ b = buffer;
+
+ for (i = 0; i < count; i++)
+ {
+ target_buffer_set_u32(target, b, pattern);
+ b += 4;
+ }
+
+ err = dsp563xx_write_memory(target, mem_type, address, sizeof(uint32_t), count, buffer);
+ }
+
+ free(buffer);
+
+ return err;
}
+static const struct command_registration dsp563xx_command_handlers[] = {
+ {
+ .name = "mwwx",
+ .handler = dsp563xx_mem_command,
+ .mode = COMMAND_EXEC,
+ .help = "write x memory words",
+ .usage = "mwwx address value [count]",
+ },
+ {
+ .name = "mwwy",
+ .handler = dsp563xx_mem_command,
+ .mode = COMMAND_EXEC,
+ .help = "write y memory words",
+ .usage = "mwwy address value [count]",
+ },
+ {
+ .name = "mwwp",
+ .handler = dsp563xx_mem_command,
+ .mode = COMMAND_EXEC,
+ .help = "write p memory words",
+ .usage = "mwwp address value [count]",
+ },
+ {
+ .name = "mdwx",
+ .handler = dsp563xx_mem_command,
+ .mode = COMMAND_EXEC,
+ .help = "display x memory words",
+ .usage = "mdwx address [count]",
+ },
+ {
+ .name = "mdwy",
+ .handler = dsp563xx_mem_command,
+ .mode = COMMAND_EXEC,
+ .help = "display y memory words",
+ .usage = "mdwy address [count]",
+ },
+ {
+ .name = "mdwp",
+ .handler = dsp563xx_mem_command,
+ .mode = COMMAND_EXEC,
+ .help = "display p memory words",
+ .usage = "mdwp address [count]",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
/** Holds methods for DSP563XX targets. */
struct target_type dsp563xx_target = {
.name = "dsp563xx",
.deassert_reset = dsp563xx_deassert_reset,
.soft_reset_halt = dsp563xx_soft_reset_halt,
- .read_memory = dsp563xx_read_memory_p,
- .write_memory = dsp563xx_write_memory_p,
+ .read_memory = dsp563xx_read_memory_default,
+ .write_memory = dsp563xx_write_memory_default,
+ .bulk_write_memory = dsp563xx_bulk_write_memory_default,
+
+ .read_buffer = dsp563xx_read_buffer_default,
+ .write_buffer = dsp563xx_write_buffer_default,
+
+ .run_algorithm = dsp563xx_run_algorithm,
+
+ .add_breakpoint = dsp563xx_add_breakpoint,
+ .remove_breakpoint = dsp563xx_remove_breakpoint,
+ .add_watchpoint = dsp563xx_add_watchpoint,
+ .remove_watchpoint = dsp563xx_remove_watchpoint,
+ .commands = dsp563xx_command_handlers,
.target_create = dsp563xx_target_create,
.init_target = dsp563xx_init_target,
+ .examine = dsp563xx_examine,
};
Code Review / openocd.git / blobdiff