78 строки
1.5 KiB
C
78 строки
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/module.h>
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#include <linux/dma-mapping.h>
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#include <asm/machvec.h>
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#ifdef CONFIG_IA64_GENERIC
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <asm/page.h>
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struct ia64_machine_vector ia64_mv = {
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.mmiowb = ___ia64_mmiowb
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};
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EXPORT_SYMBOL(ia64_mv);
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static struct ia64_machine_vector * __init
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lookup_machvec (const char *name)
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{
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extern struct ia64_machine_vector machvec_start[];
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extern struct ia64_machine_vector machvec_end[];
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struct ia64_machine_vector *mv;
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for (mv = machvec_start; mv < machvec_end; ++mv)
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if (strcmp (mv->name, name) == 0)
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return mv;
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return 0;
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}
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void __init
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machvec_init (const char *name)
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{
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struct ia64_machine_vector *mv;
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if (!name)
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name = acpi_get_sysname();
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mv = lookup_machvec(name);
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if (!mv)
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panic("generic kernel failed to find machine vector for"
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" platform %s!", name);
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ia64_mv = *mv;
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printk(KERN_INFO "booting generic kernel on platform %s\n", name);
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}
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void __init
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machvec_init_from_cmdline(const char *cmdline)
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{
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char str[64];
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const char *start;
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char *end;
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if (! (start = strstr(cmdline, "machvec=")) )
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return machvec_init(NULL);
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strlcpy(str, start + strlen("machvec="), sizeof(str));
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if ( (end = strchr(str, ' ')) )
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*end = '\0';
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return machvec_init(str);
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}
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#endif /* CONFIG_IA64_GENERIC */
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void
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machvec_setup (char **arg)
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{
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}
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EXPORT_SYMBOL(machvec_setup);
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void
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machvec_timer_interrupt (int irq, void *dev_id)
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{
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}
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EXPORT_SYMBOL(machvec_timer_interrupt);
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