Add missing header file.

Change-Id: I19df5112c2503ec6652f2d09e7324180af5024df

src/target/riscv/riscv.h

@@ -0,0 +1,62 @@
+#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