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Ignore whitespace Rev 3343 → Rev 3593

/branches/sparc/kernel/arch/ia64/src/mm/frame.c
42,20 → 42,31
* for real ia64 systems that provide memory map.
*/
#define MEMORY_SIZE (64 * 1024 * 1024)
#define MEMORY_BASE (64 * 1024 * 1024)
#define MEMORY_BASE (0 * 64 * 1024 * 1024)
 
#define ONE_TO_ONE_MAPPING_SIZE (256*1048576) // Mapped at start
 
#define ROM_BASE 0xa0000 //For ski
#define ROM_SIZE (384 * 1024) //For ski
void poke_char(int x,int y,char ch, char c);
 
uintptr_t last_frame;
 
void frame_arch_init(void)
{
zone_create(MEMORY_BASE >> FRAME_WIDTH, SIZE2FRAMES(MEMORY_SIZE), (MEMORY_SIZE) >> FRAME_WIDTH, 0);
 
if(config.cpu_active==1)
{
zone_create(MEMORY_BASE >> FRAME_WIDTH, SIZE2FRAMES(MEMORY_SIZE), (MEMORY_SIZE) >> FRAME_WIDTH, 0);
/*
* Blacklist ROM regions.
*/
frame_mark_unavailable(ADDR2PFN(ROM_BASE), SIZE2FRAMES(ROM_SIZE));
/*
* Blacklist ROM regions.
*/
//frame_mark_unavailable(ADDR2PFN(ROM_BASE), SIZE2FRAMES(ROM_SIZE));
 
frame_mark_unavailable(ADDR2PFN(0), SIZE2FRAMES(1048576));
last_frame=SIZE2FRAMES((VRN_KERNEL<<VRN_SHIFT)+ONE_TO_ONE_MAPPING_SIZE);
}
}
 
/** @}
/branches/sparc/kernel/arch/ia64/src/mm/page.c
47,6 → 47,7
#include <arch/asm.h>
#include <arch/barrier.h>
#include <memstr.h>
#include <align.h>
 
static void set_environment(void);
 
262,5 → 263,27
v->present.tag.tag_word = tag;
}
 
extern uintptr_t last_frame;
 
 
uintptr_t hw_map(uintptr_t physaddr, size_t size)
{
if (last_frame + ALIGN_UP(size, PAGE_SIZE) > KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH))
panic("Unable to map physical memory %p (%d bytes)", physaddr, size)
uintptr_t virtaddr = PA2KA(last_frame);
pfn_t i;
for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++) {
uintptr_t addr = PFN2ADDR(i);
page_mapping_insert(AS_KERNEL, virtaddr + addr, physaddr + addr, PAGE_NOT_CACHEABLE | PAGE_WRITE);
}
last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
return virtaddr;
}
 
 
 
/** @}
*/