54f481a230
The last user of arch_irq_handler_default is gone now, so the entry-macro-multi.S file and all references to mach/entry-macro.S can be removed, as well as the asm_do_IRQ() entrypoint into the interrupt handling routines implemented in C. Note: The ARMv7-M entry still uses its own top-level IRQ entry, calling nvic_handle_irq() from assembly. This could be changed to go through generic_handle_arch_irq() as well, but it's unclear to me if there are any benefits. Signed-off-by: Arnd Bergmann <arnd@arndb.de> [ardb: keep irq_handler macro as it carries all the IRQ stack handling] Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Tested-by: Marc Zyngier <maz@kernel.org> Tested-by: Vladimir Murzin <vladimir.murzin@arm.com> # ARMv7M Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* arch/arm/include/asm/mach/arch.h
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*
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* Copyright (C) 2000 Russell King
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*/
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#include <linux/types.h>
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#ifndef __ASSEMBLY__
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#include <linux/reboot.h>
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struct tag;
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struct pt_regs;
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struct smp_operations;
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#ifdef CONFIG_SMP
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#define smp_ops(ops) (&(ops))
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#define smp_init_ops(ops) (&(ops))
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#else
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#define smp_ops(ops) (struct smp_operations *)NULL
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#define smp_init_ops(ops) (bool (*)(void))NULL
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#endif
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struct machine_desc {
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unsigned int nr; /* architecture number */
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const char *name; /* architecture name */
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unsigned long atag_offset; /* tagged list (relative) */
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const char *const *dt_compat; /* array of device tree
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* 'compatible' strings */
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unsigned int nr_irqs; /* number of IRQs */
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#ifdef CONFIG_ZONE_DMA
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phys_addr_t dma_zone_size; /* size of DMA-able area */
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#endif
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unsigned int video_start; /* start of video RAM */
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unsigned int video_end; /* end of video RAM */
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unsigned char reserve_lp0 :1; /* never has lp0 */
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unsigned char reserve_lp1 :1; /* never has lp1 */
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unsigned char reserve_lp2 :1; /* never has lp2 */
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enum reboot_mode reboot_mode; /* default restart mode */
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unsigned l2c_aux_val; /* L2 cache aux value */
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unsigned l2c_aux_mask; /* L2 cache aux mask */
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void (*l2c_write_sec)(unsigned long, unsigned);
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const struct smp_operations *smp; /* SMP operations */
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bool (*smp_init)(void);
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void (*fixup)(struct tag *, char **);
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void (*dt_fixup)(void);
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long long (*pv_fixup)(void);
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void (*reserve)(void);/* reserve mem blocks */
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void (*map_io)(void);/* IO mapping function */
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void (*init_early)(void);
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void (*init_irq)(void);
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void (*init_time)(void);
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void (*init_machine)(void);
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void (*init_late)(void);
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void (*handle_irq)(struct pt_regs *);
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void (*restart)(enum reboot_mode, const char *);
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};
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/*
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* Current machine - only accessible during boot.
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*/
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extern const struct machine_desc *machine_desc;
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/*
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* Machine type table - also only accessible during boot
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*/
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extern const struct machine_desc __arch_info_begin[], __arch_info_end[];
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#define for_each_machine_desc(p) \
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for (p = __arch_info_begin; p < __arch_info_end; p++)
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/*
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* Set of macros to define architecture features. This is built into
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* a table by the linker.
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*/
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#define MACHINE_START(_type,_name) \
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static const struct machine_desc __mach_desc_##_type \
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__used \
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__section(".arch.info.init") = { \
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.nr = MACH_TYPE_##_type, \
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.name = _name,
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#define MACHINE_END \
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};
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#define DT_MACHINE_START(_name, _namestr) \
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static const struct machine_desc __mach_desc_##_name \
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__used \
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__section(".arch.info.init") = { \
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.nr = ~0, \
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.name = _namestr,
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#endif
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