blob: e249aa396403161558e8ef7ec8acf7f60ef71cad (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#ifndef __ARCH_CPU_H__
#define __ARCH_CPU_H__
#include <arch/encoding.h>
#include <device/device.h>
#define asmlinkage
struct cpu_driver {
struct device_operations *ops;
const struct cpu_device_id *id_table;
};
struct thread;
struct cpu_info {
struct device *cpu;
unsigned long index;
#if CONFIG(COOP_MULTITASKING)
struct thread *thread;
#endif
};
struct cpuinfo_riscv {
uint8_t riscv; /* CPU family */
uint8_t riscv_vendor; /* CPU vendor */
uint8_t riscv_model;
};
static inline int supports_extension(char ext)
{
return read_csr(misa) & (1 << (ext - 'A'));
}
static inline int machine_xlen(void)
{
int mxl = (read_csr(misa) >> (__riscv_xlen - 2)) & 3;
return (1 << mxl) * 16;
}
struct cpu_info *cpu_info(void);
#endif /* __ARCH_CPU_H__ */
|
