Tim Newsome
63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
#ifndef RISCV_H
|
|
#define RISCV_H
|
|
|
|
#include "opcodes.h"
|
|
|
|
extern struct target_type riscv011_target;
|
|
extern struct target_type riscv013_target;
|
|
|
|
/*
|
|
* Definitions shared by code supporting all RISC-V versions.
|
|
*/
|
|
|
|
typedef struct {
|
|
unsigned dtm_version;
|
|
struct command_context *cmd_ctx;
|
|
void *version_specific;
|
|
/* Width of a GPR (and many other things) in bits. */
|
|
uint8_t xlen;
|
|
} riscv_info_t;
|
|
|
|
extern uint8_t ir_dtmcontrol[1];
|
|
extern struct scan_field select_dtmcontrol;
|
|
extern uint8_t ir_dbus[1];
|
|
extern struct scan_field select_dbus;
|
|
extern uint8_t ir_idcode[1];
|
|
extern struct scan_field select_idcode;
|
|
|
|
/*** Version-independent functions that we don't want in the main address space. ***/
|
|
|
|
static uint32_t load(const struct target *target, unsigned int rd,
|
|
unsigned int base, uint16_t offset)
|
|
{
|
|
riscv_info_t *info = (riscv_info_t *) target->arch_info;
|
|
switch (info->xlen) {
|
|
case 32:
|
|
return lw(rd, base, offset);
|
|
case 64:
|
|
return ld(rd, base, offset);
|
|
}
|
|
assert(0);
|
|
}
|
|
|
|
static uint32_t store(const struct target *target, unsigned int src,
|
|
unsigned int base, uint16_t offset)
|
|
{
|
|
riscv_info_t *info = (riscv_info_t *) target->arch_info;
|
|
switch (info->xlen) {
|
|
case 32:
|
|
return sw(src, base, offset);
|
|
case 64:
|
|
return sd(src, base, offset);
|
|
}
|
|
assert(0);
|
|
}
|
|
|
|
static unsigned xlen(const struct target *target)
|
|
{
|
|
riscv_info_t *info = (riscv_info_t *) target->arch_info;
|
|
return info->xlen;
|
|
}
|
|
|
|
#endif
|