/SPARTAN/trunk/arch/ia32/src/mm/memory_init.c |
---|
0,0 → 1,74 |
/* |
* Copyright (C) 2005 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <arch/boot/memmap.h> |
#include <arch/mm/memory_init.h> |
#include <arch/mm/page.h> |
#include <print.h> |
size_t get_memory_size(void) |
{ |
return e801memorysize*1024; |
} |
void memory_print_map(void) |
{ |
__u8 i; |
/* |
* We must not work with the original addresses for they are not mapped anymore. |
*/ |
struct e820memmap_ *memtable = (struct e820memmap_ *) PA2KA(e820table); |
__u32 *counter_p = (__u32 *) PA2KA(&e820counter); |
for (i=*counter_p;i>0;i--) { |
printf("E820 base: %Q size: %Q type: ", memtable[i-1].base_address, memtable[i-1].size); |
switch (memtable[i-1].type) { |
case MEMMAP_MEMORY_AVAILABLE: |
printf("available memory\n"); |
break; |
case MEMMAP_MEMORY_RESERVED: |
printf("reserved memory\n"); |
break; |
case MEMMAP_MEMORY_ACPI: |
printf("ACPI table\n"); |
break; |
case MEMMAP_MEMORY_NVS: |
printf("NVS\n"); |
break; |
case MEMMAP_MEMORY_UNUSABLE: |
printf("unusable memory\n"); |
break; |
default: |
printf("undefined memory type\n"); |
} |
} |
} |
/SPARTAN/trunk/arch/ia32/src/mm/page.c |
---|
0,0 → 1,80 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <arch/types.h> |
#include <config.h> |
#include <func.h> |
#include <mm/frame.h> |
#include <mm/page.h> |
#include <arch/mm/page.h> |
#include <arch/interrupt.h> |
#include <arch/asm.h> |
#include <synch/spinlock.h> |
#include <debug.h> |
#include <memstr.h> |
__address bootstrap_dba; |
void page_arch_init(void) |
{ |
__address dba; |
__u32 i; |
if (config.cpu_active == 1) { |
dba = frame_alloc(FRAME_KA | FRAME_PANIC); |
memsetb(dba, PAGE_SIZE, 0); |
bootstrap_dba = dba; |
/* |
* Identity mapping for all frames. |
* PA2KA(identity) mapping for all frames. |
*/ |
for (i = 0; i < frames; i++) { |
map_page_to_frame(i * PAGE_SIZE, i * PAGE_SIZE, PAGE_CACHEABLE, KA2PA(dba)); |
map_page_to_frame(PA2KA(i * PAGE_SIZE), i * PAGE_SIZE, PAGE_CACHEABLE, KA2PA(dba)); |
} |
trap_register(14, page_fault); |
write_cr3(KA2PA(dba)); |
} |
else { |
/* |
* Application processors need to create their own view of the |
* virtual address space. Because of that, each AP copies |
* already-initialized paging information from the bootstrap |
* processor and adjusts it to fulfill its needs. |
*/ |
dba = frame_alloc(FRAME_KA | FRAME_PANIC); |
memcpy((void *)dba, (void *)bootstrap_dba , PAGE_SIZE); |
write_cr3(KA2PA(dba)); |
} |
paging_on(); |
} |
/SPARTAN/trunk/arch/ia32/src/mm/frame.c |
---|
0,0 → 1,53 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <mm/frame.h> |
#include <arch/mm/frame.h> |
#include <mm/vm.h> |
#include <config.h> |
#include <arch/boot/memmap.h> |
#include <print.h> |
void frame_arch_init(void) |
{ |
__u8 i; |
if (config.cpu_active == 1) { |
frame_not_free(0x0); |
frame_region_not_free(0xa0000,0xff000); |
frame_region_not_free(0xfec00000,0xffffffff); |
for (i=e820counter;i>0;i--) { |
if (e820table[i-1].type!=MEMMAP_MEMORY_AVAILABLE) { |
frame_region_not_free(e820table[i-1].base_address,e820table[i-1].size); |
} |
} |
} |
} |
/SPARTAN/trunk/arch/ia32/src/mm/tlb.c |
---|
0,0 → 1,35 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <mm/tlb.h> |
#include <arch/asm.h> |
void tlb_invalidate(int asid) |
{ |
write_cr3(read_cr3()); |
} |