arch/sh/boards/mach-se/7751/irq.c
Source file repositories/reference/linux-study-clean/arch/sh/boards/mach-se/7751/irq.c
File Facts
- System
- Linux kernel
- Corpus path
arch/sh/boards/mach-se/7751/irq.c- Extension
.c- Size
- 941 bytes
- Lines
- 52
- Domain
- Architecture Layer
- Bucket
- arch/sh
- 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.
- CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
linux/init.hlinux/irq.hasm/irq.hmach-se/mach/se7751.h
Detected Declarations
function init_7751se_IRQ
Annotated Snippet
// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/sh/boards/se/7751/irq.c
*
* Copyright (C) 2000 Kazumoto Kojima
*
* Hitachi SolutionEngine Support.
*
* Modified for 7751 Solution Engine by
* Ian da Silva and Jeremy Siegel, 2001.
*/
#include <linux/init.h>
#include <linux/irq.h>
#include <asm/irq.h>
#include <mach-se/mach/se7751.h>
static struct ipr_data ipr_irq_table[] = {
{ 13, 3, 3, 2 },
/* Add additional entries here as drivers are added and tested. */
};
static unsigned long ipr_offsets[] = {
BCR_ILCRA,
BCR_ILCRB,
BCR_ILCRC,
BCR_ILCRD,
BCR_ILCRE,
BCR_ILCRF,
BCR_ILCRG,
};
static struct ipr_desc ipr_irq_desc = {
.ipr_offsets = ipr_offsets,
.nr_offsets = ARRAY_SIZE(ipr_offsets),
.ipr_data = ipr_irq_table,
.nr_irqs = ARRAY_SIZE(ipr_irq_table),
.chip = {
.name = "IPR-se7751",
},
};
/*
* Initialize IRQ setting
*/
void __init init_7751se_IRQ(void)
{
register_ipr_controller(&ipr_irq_desc);
}
Annotation
- Immediate include surface: `linux/init.h`, `linux/irq.h`, `asm/irq.h`, `mach-se/mach/se7751.h`.
- Detected declarations: `function init_7751se_IRQ`.
- Atlas domain: Architecture Layer / arch/sh.
- Implementation status: source 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.