/branches/arm/kernel/arch/arm32/src/arm32.c |
---|
63,10 → 63,12 |
aux_printf("arch_pre_mm_init\n"); |
console_init(device_assign_devno()); |
} |
void arch_post_mm_init(void) |
{ |
aux_printf("arch_post_mm_init\n"); |
/* TODO */ |
} |
/branches/arm/kernel/arch/arm32/src/mm/frame.c |
---|
33,11 → 33,22 |
*/ |
#include <mm/frame.h> |
#include <config.h> |
#include "../aux_print/printf.h" |
/** Create memory zones. */ |
void frame_arch_init(void) |
{ |
/* TODO */ |
aux_printf("frame_arch_init ... begin\n"); |
// all memory as one zone |
zone_create(0, ADDR2PFN(config.memory_size), 1, 0); |
aux_printf("frame_arch_init ... 1\n"); |
/* |
* Blacklist interrupt vector |
*/ |
frame_mark_unavailable(0, 1); |
aux_printf("frame_arch_init ... end\n"); |
} |
/** @} |
/branches/arm/kernel/arch/arm32/src/mm/memory_init.c |
---|
0,0 → 1,51 |
/* |
* 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. |
*/ |
/** @addtogroup arm32mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/memory_init.h> |
#include <arch/mm/page.h> |
#include "../aux_print/printf.h" |
#define GXEMUL_MP_ADDRESS 0x11000000 |
#define GXEMUL_MP_MEMSIZE_OFFSET 0x0090 |
size_t get_memory_size(void) |
{ |
//TODO preprocessor don't work |
#if MACHINE == gxemul |
return *((int*)(GXEMUL_MP_ADDRESS+GXEMUL_MP_MEMSIZE_OFFSET)); |
#endif |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/mm/page.c |
---|
35,10 → 35,42 |
#include <arch/mm/page.h> |
#include <genarch/mm/page_pt.h> |
#include <mm/page.h> |
#include <align.h> |
#include <config.h> |
#include "../aux_print/printf.h" |
void page_arch_init(void) |
{ |
aux_printf("page_arch_init\n"); |
uintptr_t cur; |
int flags; |
page_mapping_operations = &pt_mapping_operations; |
flags = PAGE_CACHEABLE; |
const unsigned maxmem = ALIGN_DOWN(config.memory_size, FRAME_SIZE); |
for (cur = 0; cur < maxmem; cur += FRAME_SIZE) { |
page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, flags); |
} |
//TODO set page fault routines |
// no problem no ... kernel doesn't do page faults |
asm volatile ( |
"ldr r0, =0x55555555 \n" |
"mrc p15, 0, r0, c3, c0, 0 \n" //set domain acces rights to client <==> take rights from page tables |
"mcr p15, 0, r0, c1, c0, 0 \n" // get current setting of system ... register 1 isn't only for memmory management |
"ldr r1, =0xFFFFFE8D \n" // mask to disable aligment checks, System, Rom bit disable |
"and r0, r0, r1 \n" |
"ldr r1, =0x00000001 \n" // mask to enable paging |
"orr r0, r0, r1 \n" |
"mrc p15, 0, r0, c1, c0, 0 \n" // store setting |
: |
: |
: "r0", "r1" |
); |
} |
/** Map device into kernel space. */ |
50,3 → 82,4 |
/** @} |
*/ |