arch/powerpc/boot/motload-head.S

File Facts

System

Linux kernel

Corpus path

arch/powerpc/boot/motload-head.S

Extension

.S

Size

219 bytes

Lines

13

Domain

Architecture Layer

Bucket

arch/powerpc

Inferred role

Architecture Layer: arch/powerpc

Status

atlas-only

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.

Dependency Surface

• ppc_asm.h

Detected Declarations

• No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

#include "ppc_asm.h"

	.text
	.globl _zimage_start
_zimage_start:
	mfmsr   r10
	rlwinm  r10,r10,0,~(1<<15)        /* Clear MSR_EE */
	sync
	mtmsr   r10
	isync
	b	_zimage_start_lib

Annotation

• Immediate include surface: `ppc_asm.h`.
• Atlas domain: Architecture Layer / arch/powerpc.
• Implementation status: atlas-only.

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.