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tinyriscv-openocd
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Remove cruft. 

Change-Id: I3a370aa3a478ab84c9b2afff7b3f581bd7dc5e06
__archive__
Tim Newsome 2017-02-25 10:40:56 -08:00
parent 6f1a498ab9
commit b4d38d0997
1 changed files with 11 additions and 47 deletions
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58
src/target/riscv/riscv-013.c
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@ -34,24 +34,6 @@
#define DIM(x) (sizeof(x)/sizeof(*x))
// Constants for legacy SiFive hardware breakpoints.
#define CSR_BPCONTROL_X (1<<0)
#define CSR_BPCONTROL_W (1<<1)
#define CSR_BPCONTROL_R (1<<2)
#define CSR_BPCONTROL_U (1<<3)
#define CSR_BPCONTROL_S (1<<4)
#define CSR_BPCONTROL_H (1<<5)
#define CSR_BPCONTROL_M (1<<6)
#define CSR_BPCONTROL_BPMATCH (0xf<<7)
#define CSR_BPCONTROL_BPACTION (0xff<<11)
#define DEBUG_ROM_START 0x800
#define DEBUG_ROM_RESUME (DEBUG_ROM_START + 4)
#define DEBUG_ROM_EXCEPTION (DEBUG_ROM_START + 8)
#define DEBUG_RAM_START 0x400
#define SETHALTNOT 0x10c
#define CSR_DCSR_CAUSE_SWBP 1
#define CSR_DCSR_CAUSE_TRIGGER 2
#define CSR_DCSR_CAUSE_DEBUGINT 3
@ -60,9 +42,6 @@
/*** JTAG registers. ***/
#define DBUS 0x11
#define DMI_OP_START 0
#define DMI_OP_SIZE 2
typedef enum {
DMI_OP_NOP = 0,
DMI_OP_READ = 1,
@ -73,9 +52,6 @@ typedef enum {
DMI_STATUS_FAILED = 2,
DMI_STATUS_BUSY = 3
} dmi_status_t;
#define DMI_DATA_START 2
#define DMI_DATA_SIZE 32
#define DMI_ADDRESS_START 34
typedef enum {
RE_OK,
@ -91,17 +67,6 @@ typedef enum slot {
/*** Debug Bus registers. ***/
#define DMCONTROL 0x10
#define DMCONTROL_INTERRUPT (((uint64_t)1)<<33)
#define DMCONTROL_HALTNOT (((uint64_t)1)<<32)
#define DMCONTROL_BUSERROR (7<<19)
#define DMCONTROL_SERIAL (3<<16)
#define DMCONTROL_AUTOINCREMENT (1<<15)
#define DMCONTROL_ACCESS (7<<12)
#define DMCONTROL_HARTID (0x3ff<<2)
#define DMCONTROL_NDRESET (1<<1)
#define DMCONTROL_FULLRESET 1
#define CMDERR_NONE 0
#define CMDERR_BUSY 1
#define CMDERR_NOT_SUPPORTED 2
@ -111,7 +76,6 @@ typedef enum slot {
/*** Info about the core being debugged. ***/
#define DMI_ADDRESS_UNKNOWN 0xffff
#define WALL_CLOCK_TIMEOUT 2
// gdb's register list is defined in riscv_gdb_reg_names gdb/riscv-tdep.c in
@ -318,15 +282,15 @@ static void scans_add_dmi_write(scans_t *scans, unsigned address,
struct scan_field *field = scans->field + i;
uint8_t *out = scans->out + data_offset;
field->num_bits = info->abits + DMI_OP_SIZE + DMI_DATA_SIZE;
field->num_bits = info->abits + DTM_DMI_OP_LENGTH + DTM_DMI_DATA_LENGTH;
// We gain a lot of speed in remote bitbang by not looking at the return
// value.
field->in_value = NULL;
field->out_value = out;
buf_set_u64(out, DMI_OP_START, DMI_OP_SIZE, DMI_OP_WRITE);
buf_set_u64(out, DMI_DATA_START, DMI_DATA_SIZE, value);
buf_set_u64(out, DMI_ADDRESS_START, info->abits, address);
buf_set_u64(out, DTM_DMI_OP_OFFSET, DTM_DMI_OP_LENGTH, DMI_OP_WRITE);
buf_set_u64(out, DTM_DMI_DATA_OFFSET, DTM_DMI_DATA_LENGTH, value);
buf_set_u64(out, DTM_DMI_ADDRESS_OFFSET, info->abits, address);
/* Assume dbus is already selected. */
jtag_add_dr_scan(scans->target->tap, 1, field, TAP_IDLE);
@ -468,7 +432,7 @@ static dmi_status_t dmi_scan(struct target *target, uint16_t *address_in,
uint8_t in[8] = {0};
uint8_t out[8];
struct scan_field field = {
.num_bits = info->abits + DMI_OP_SIZE + DMI_DATA_SIZE,
.num_bits = info->abits + DTM_DMI_OP_LENGTH + DTM_DMI_DATA_LENGTH,
.out_value = out,
};
@ -478,9 +442,9 @@ static dmi_status_t dmi_scan(struct target *target, uint16_t *address_in,
assert(info->abits != 0);
buf_set_u64(out, DMI_OP_START, DMI_OP_SIZE, op);
buf_set_u64(out, DMI_DATA_START, DMI_DATA_SIZE, data_out);
buf_set_u64(out, DMI_ADDRESS_START, info->abits, address_out);
buf_set_u64(out, DTM_DMI_OP_OFFSET, DTM_DMI_OP_LENGTH, op);
buf_set_u64(out, DTM_DMI_DATA_OFFSET, DTM_DMI_DATA_LENGTH, data_out);
buf_set_u64(out, DTM_DMI_ADDRESS_OFFSET, info->abits, address_out);
/* Assume dbus is already selected. */
jtag_add_dr_scan(target->tap, 1, &field, TAP_IDLE);
@ -500,16 +464,16 @@ static dmi_status_t dmi_scan(struct target *target, uint16_t *address_in,
}
if (data_in) {
*data_in = buf_get_u64(in, DMI_DATA_START, DMI_DATA_SIZE);
*data_in = buf_get_u64(in, DTM_DMI_DATA_OFFSET, DTM_DMI_DATA_LENGTH);
}
if (address_in) {
*address_in = buf_get_u32(in, DMI_ADDRESS_START, info->abits);
*address_in = buf_get_u32(in, DTM_DMI_ADDRESS_OFFSET, info->abits);
}
dump_field(&field);
return buf_get_u32(in, DMI_OP_START, DMI_OP_SIZE);
return buf_get_u32(in, DTM_DMI_OP_OFFSET, DTM_DMI_OP_LENGTH);
}
static uint64_t dmi_read(struct target *target, uint16_t address)