Quelle  proc-arm9tdmi.S   Sprache: Sparc

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  linux/arch/arm/mm/proc-arm9tdmi.S: utility functions for ARM9TDMI
 *
 *  Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com>
 */
#include <linux/linkage.h>
#include <linux/init.h>
#include <linux/cfi_types.h>
#include <linux/pgtable.h>
#include <asm/assembler.h>
#include <asm/asm-offsets.h>
#include <asm/hwcap.h>
#include <asm/pgtable-hwdef.h>
#include <asm/ptrace.h>

#include "proc-macros.S"

 .text
/*
 * cpu_arm9tdmi_proc_init()
 * cpu_arm9tdmi_do_idle()
 * cpu_arm9tdmi_dcache_clean_area()
 * cpu_arm9tdmi_switch_mm()
 *
 * These are not required.
 */
SYM_TYPED_FUNC_START(cpu_arm9tdmi_proc_init)
  ret lr
SYM_FUNC_END(cpu_arm9tdmi_proc_init)

SYM_TYPED_FUNC_START(cpu_arm9tdmi_do_idle)
  ret lr
SYM_FUNC_END(cpu_arm9tdmi_do_idle)

SYM_TYPED_FUNC_START(cpu_arm9tdmi_dcache_clean_area)
  ret lr
SYM_FUNC_END(cpu_arm9tdmi_dcache_clean_area)

SYM_TYPED_FUNC_START(cpu_arm9tdmi_switch_mm)
  ret lr
SYM_FUNC_END(cpu_arm9tdmi_switch_mm)

/*
 * cpu_arm9tdmi_proc_fin()
 */
SYM_TYPED_FUNC_START(cpu_arm9tdmi_proc_fin)
  ret lr
SYM_FUNC_END(cpu_arm9tdmi_proc_fin)

/*
 * Function: cpu_arm9tdmi_reset(loc)
 * Params  : loc(r0) address to jump to
 * Purpose : Sets up everything for a reset and jump to the location for soft reset.
 */
  .pushsection .idmap.text, "ax"
SYM_TYPED_FUNC_START(cpu_arm9tdmi_reset)
  ret r0
SYM_FUNC_END(cpu_arm9tdmi_reset)
  .popsection

  .type __arm9tdmi_setup, #function
__arm9tdmi_setup:
  ret lr
  .size __arm9tdmi_setup, . - __arm9tdmi_setup

  __INITDATA

  @ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
  define_processor_functions arm9tdmi, dabort=nommu_early_abort, pabort=legacy_pabort, nommu=1

  .section ".rodata"

  string cpu_arch_name, "armv4t"
  string cpu_elf_name, "v4"
  string cpu_arm9tdmi_name, "ARM9TDMI"
  string cpu_p2001_name, "P2001"

  .align

  .section ".proc.info.init", "a"

.macro arm9tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req
  .type __\name\()_proc_info, #object
__\name\()_proc_info:
  .long \cpu_val
  .long \cpu_mask
  .long 0
  .long 0
  initfn __arm9tdmi_setup, __\name\()_proc_info
  .long cpu_arch_name
  .long cpu_elf_name
  .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
  .long \cpu_name
  .long arm9tdmi_processor_functions
  .long 0
  .long 0
  .long v4_cache_fns
  .size __\name\()_proc_info, . - __\name\()_proc_info
.endm

 arm9tdmi_proc_info arm9tdmi, 0x41009900, 0xfff8ff00, cpu_arm9tdmi_name
 arm9tdmi_proc_info p2001, 0x41029000, 0xffffffff, cpu_p2001_name