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Ignore whitespace Rev 2221 → Rev 2222

/trunk/kernel/arch/ppc32/src/mm/page.c
53,7 → 53,7
uintptr_t virtaddr = PA2KA(last_frame);
pfn_t i;
for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++)
page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE);
page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE);
last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
/trunk/kernel/arch/ia32xen/src/smp/smp.c
80,13 → 80,13
 
if (config.cpu_count > 1) {
page_mapping_insert(AS_KERNEL, l_apic_address, (uintptr_t) l_apic,
PAGE_NOT_CACHEABLE);
PAGE_NOT_CACHEABLE | PAGE_WRITE);
page_mapping_insert(AS_KERNEL, io_apic_address, (uintptr_t) io_apic,
PAGE_NOT_CACHEABLE);
PAGE_NOT_CACHEABLE | PAGE_WRITE);
l_apic = (uint32_t *) l_apic_address;
io_apic = (uint32_t *) io_apic_address;
}
}
}
 
/*
/trunk/kernel/arch/amd64/src/boot/boot.S
441,6 → 441,8
movw %cx, %fs
movw %cx, %gs
movl $START_STACK, %esp # initialize stack pointer
jmpl $gdtselector(KTEXT32_DES), $vesa_meeting_point
.align 4
/trunk/kernel/arch/amd64/src/mm/page.c
83,7 → 83,7
{
uintptr_t cur;
int i;
int identity_flags = PAGE_CACHEABLE | PAGE_EXEC | PAGE_GLOBAL;
int identity_flags = PAGE_CACHEABLE | PAGE_EXEC | PAGE_GLOBAL | PAGE_WRITE;
 
if (config.cpu_active == 1) {
page_mapping_operations = &pt_mapping_operations;
112,10 → 112,8
 
exc_register(14, "page_fault", (iroutine) page_fault);
write_cr3((uintptr_t) AS_KERNEL->genarch.page_table);
}
else {
} else
write_cr3((uintptr_t) AS_KERNEL->genarch.page_table);
}
}
 
 
208,7 → 206,7
uintptr_t virtaddr = PA2KA(last_frame);
pfn_t i;
for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++)
page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE);
page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE);
last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
/trunk/kernel/arch/ppc64/src/mm/page.c
264,10 → 264,8
uintptr_t cur;
int flags;
/* Frames below 128 MB are mapped using BAT,
map rest of the physical memory */
for (cur = 128 << 20; cur < last_frame; cur += FRAME_SIZE) {
flags = PAGE_CACHEABLE;
flags = PAGE_CACHEABLE | PAGE_WRITE;
if ((PA2KA(cur) >= config.base) && (PA2KA(cur) < config.base + config.kernel_size))
flags |= PAGE_GLOBAL;
page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, flags);
296,7 → 294,7
uintptr_t virtaddr = PA2KA(last_frame);
pfn_t i;
for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++)
page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE);
page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE);
last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
/trunk/kernel/arch/ia32/src/smp/smp.c
82,13 → 82,13
 
if (config.cpu_count > 1) {
page_mapping_insert(AS_KERNEL, l_apic_address, (uintptr_t) l_apic,
PAGE_NOT_CACHEABLE);
PAGE_NOT_CACHEABLE | PAGE_WRITE);
page_mapping_insert(AS_KERNEL, io_apic_address, (uintptr_t) io_apic,
PAGE_NOT_CACHEABLE);
PAGE_NOT_CACHEABLE | PAGE_WRITE);
l_apic = (uint32_t *) l_apic_address;
io_apic = (uint32_t *) io_apic_address;
}
}
}
 
/*
/trunk/kernel/arch/ia32/src/boot/boot.S
63,8 → 63,8
jmpl $selector(KTEXT_DES), $multiboot_meeting_point
multiboot_meeting_point:
pushl %ebx # save parameters from GRUB
pushl %eax
movl %eax, grub_eax # save parameters from GRUB
movl %ebx, grub_ebx
xorl %eax, %eax
cpuid
104,8 → 104,8
call map_kernel # map kernel and turn paging on
popl %eax
popl %ebx
movl grub_eax, %eax
movl grub_ebx, %ebx
cmpl $MULTIBOOT_LOADER_MAGIC, %eax # compare GRUB signature
je valid_boot
481,8 → 481,6
 
.code32
vesa_init_protect:
popl %esp
 
movw $selector(KDATA_DES), %cx
movw %cx, %es
movw %cx, %fs
490,6 → 488,8
movw %cx, %ds # kernel data + stack
movw %cx, %ss
movl $START_STACK, %esp # initialize stack pointer
 
jmpl $selector(KTEXT_DES), $vesa_meeting_point
 
.align 4
502,5 → 502,11
page_directory:
.space 4096, 0
 
grub_eax:
.long 0
 
grub_ebx:
.long 0
 
pse_msg:
.ascii "Page Size Extension not supported. System halted.\0"
/trunk/kernel/arch/ia32/src/mm/page.c
61,7 → 61,7
* PA2KA(identity) mapping for all frames until last_frame.
*/
for (cur = 0; cur < last_frame; cur += FRAME_SIZE) {
flags = PAGE_CACHEABLE;
flags = PAGE_CACHEABLE | PAGE_WRITE;
if ((PA2KA(cur) >= config.base) && (PA2KA(cur) < config.base + config.kernel_size))
flags |= PAGE_GLOBAL;
page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, flags);
69,10 → 69,8
 
exc_register(14, "page_fault", (iroutine) page_fault);
write_cr3((uintptr_t) AS_KERNEL->genarch.page_table);
}
else {
} else
write_cr3((uintptr_t) AS_KERNEL->genarch.page_table);
}
 
paging_on();
}
86,7 → 84,7
uintptr_t virtaddr = PA2KA(last_frame);
pfn_t i;
for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++)
page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE);
page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE);
last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
95,12 → 93,12
 
void page_fault(int n, istate_t *istate)
{
uintptr_t page;
uintptr_t page;
pf_access_t access;
page = read_cr2();
page = read_cr2();
if (istate->error_word & PFERR_CODE_RSVD)
if (istate->error_word & PFERR_CODE_RSVD)
panic("Reserved bit set in page directory.\n");
 
if (istate->error_word & PFERR_CODE_RW)
107,14 → 105,14
access = PF_ACCESS_WRITE;
else
access = PF_ACCESS_READ;
 
if (as_page_fault(page, access, istate) == AS_PF_FAULT) {
if (as_page_fault(page, access, istate) == AS_PF_FAULT) {
fault_if_from_uspace(istate, "Page fault: %#x", page);
 
decode_istate(istate);
printf("page fault address: %#x\n", page);
panic("page fault\n");
}
decode_istate(istate);
printf("page fault address: %#x\n", page);
panic("page fault\n");
}
}
 
/** @}