mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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fa76dab935
Make <asm/setup.h> usable by the boot code. Clean up vestiges of the old command-line protocol from setup.h and head_32.S (it is still supported from the boot loader point of view, since it is converted to the new command-line protocol by the boot code.) Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
#ifndef _ASM_X86_SETUP_H
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#define _ASM_X86_SETUP_H
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#define COMMAND_LINE_SIZE 2048
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#ifdef __KERNEL__
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#ifdef __i386__
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#include <linux/pfn.h>
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/*
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* Reserved space for vmalloc and iomap - defined in asm/page.h
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*/
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#define MAXMEM_PFN PFN_DOWN(MAXMEM)
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#define MAX_NONPAE_PFN (1 << 20)
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#endif /* __i386__ */
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#define PARAM_SIZE 4096 /* sizeof(struct boot_params) */
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#define OLD_CL_MAGIC 0xA33F
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#define OLD_CL_ADDRESS 0x020 /* Relative to real mode data */
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#define NEW_CL_POINTER 0x228 /* Relative to real mode data */
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#ifndef __ASSEMBLY__
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#include <asm/bootparam.h>
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#ifndef _SETUP
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/*
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* This is set up by the setup-routine at boot-time
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*/
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extern struct boot_params boot_params;
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#ifdef __i386__
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/*
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* Do NOT EVER look at the BIOS memory size location.
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* It does not work on many machines.
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*/
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#define LOWMEMSIZE() (0x9f000)
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struct e820entry;
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char * __init machine_specific_memory_setup(void);
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char *memory_setup(void);
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int __init copy_e820_map(struct e820entry * biosmap, int nr_map);
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int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map);
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void __init add_memory_region(unsigned long long start,
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unsigned long long size, int type);
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extern unsigned long init_pg_tables_end;
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#ifndef CONFIG_PARAVIRT
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#define paravirt_post_allocator_init() do {} while (0)
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#endif
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#endif /* __i386__ */
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#endif /* _SETUP */
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#endif /* _ASM_X86_SETUP_H */
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