arch/riscv/kernel/vendor_extensions/andes.c

Source file repositories/reference/linux-study-clean/arch/riscv/kernel/vendor_extensions/andes.c

File Facts

System
Linux kernel
Corpus path
arch/riscv/kernel/vendor_extensions/andes.c
Extension
.c
Size
575 bytes
Lines
19
Domain
Architecture Layer
Bucket
arch/riscv
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only

#include <asm/cpufeature.h>
#include <asm/vendor_extensions.h>
#include <asm/vendor_extensions/andes.h>

#include <linux/array_size.h>
#include <linux/types.h>

/* All Andes vendor extensions supported in Linux */
static const struct riscv_isa_ext_data riscv_isa_vendor_ext_andes[] = {
	__RISCV_ISA_EXT_DATA(xandespmu, RISCV_ISA_VENDOR_EXT_XANDESPMU),
};

struct riscv_isa_vendor_ext_data_list riscv_isa_vendor_ext_list_andes = {
	.ext_data_count = ARRAY_SIZE(riscv_isa_vendor_ext_andes),
	.ext_data = riscv_isa_vendor_ext_andes,
};

Annotation

Implementation Notes