25 lines
639 B
C
25 lines
639 B
C
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/*
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** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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** Distributed under the terms of the NewOS License.
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*/
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#ifndef _NEWOS_KERNEL_ARCH_SH4_CPU_H
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#define _NEWOS_KERNEL_ARCH_SH4_CPU_H
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#include <arch/cpu.h>
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#include <arch/sh4/sh4.h>
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unsigned int get_fpscr();
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unsigned int get_sr();
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void sh4_context_switch(unsigned int **old_sp, unsigned int *new_sp);
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void sh4_function_caller();
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void sh4_set_kstack(addr kstack);
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void sh4_enter_uspace(addr entry, void *args, addr ustack_top);
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void sh4_set_user_pgdir(addr pgdir);
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void sh4_invl_page(addr va);
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#define PAGE_SIZE 4096
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#define _BIG_ENDIAN 0
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#define _LITTLE_ENDIAN 1
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#endif
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