arch/loongarch/lib/bswapdi.c

File Facts

System

Linux kernel

Corpus path

arch/loongarch/lib/bswapdi.c

Extension

.c

Size

335 bytes

Lines

14

Domain

Architecture Layer

Bucket

arch/loongarch

Inferred role

Architecture Layer: exported/initcall integration point

Status

integration 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.

• CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.
• Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.

Dependency Surface

• linux/export.h
• linux/compiler.h
• uapi/linux/swab.h

Detected Declarations

• function __bswapdi2
• export __bswapdi2

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
#include <linux/export.h>
#include <linux/compiler.h>
#include <uapi/linux/swab.h>

/* To silence -Wmissing-prototypes. */
unsigned long long __bswapdi2(unsigned long long u);

unsigned long long notrace __bswapdi2(unsigned long long u)
{
	return ___constant_swab64(u);
}
EXPORT_SYMBOL(__bswapdi2);

Annotation

• Immediate include surface: `linux/export.h`, `linux/compiler.h`, `uapi/linux/swab.h`.
• Detected declarations: `function __bswapdi2`, `export __bswapdi2`.
• Atlas domain: Architecture Layer / arch/loongarch.
• Implementation status: integration implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.