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Rev 3343 Rev 3593
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#include <config.h>
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#include <config.h>
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#include <panic.h>
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#include <panic.h>
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#include <arch/asm.h>
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#include <arch/asm.h>
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#include <arch/barrier.h>
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#include <arch/barrier.h>
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#include <memstr.h>
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#include <memstr.h>
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#include <align.h>
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static void set_environment(void);
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static void set_environment(void);
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/** Initialize ia64 virtual address translation subsystem. */
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/** Initialize ia64 virtual address translation subsystem. */
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void page_arch_init(void)
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void page_arch_init(void)
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    v->present.ps = PAGE_WIDTH;
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    v->present.ps = PAGE_WIDTH;
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    v->present.key = 0;
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    v->present.key = 0;
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    v->present.tag.tag_word = tag;
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    v->present.tag.tag_word = tag;
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}
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}
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extern uintptr_t last_frame;
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uintptr_t hw_map(uintptr_t physaddr, size_t size)
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{
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    if (last_frame + ALIGN_UP(size, PAGE_SIZE) > KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH))
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        panic("Unable to map physical memory %p (%d bytes)", physaddr, size)
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    uintptr_t virtaddr = PA2KA(last_frame);
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    pfn_t i;
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    for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++) {
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        uintptr_t addr = PFN2ADDR(i);
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        page_mapping_insert(AS_KERNEL, virtaddr + addr, physaddr + addr, PAGE_NOT_CACHEABLE | PAGE_WRITE);
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    }
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    last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
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    return virtaddr;
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}
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/** @}
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/** @}
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 */
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 */