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Container/Pager/Capability initialization that works.

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Need to safely free boot memory and jump to first task's stack.
Need to test scheduler and all syscall entries.
This commit is contained in:
Bahadir Balban
2009-08-04 13:56:11 +03:00
parent 7e8845abf8
commit 519bfba8c7
12 changed files with 150 additions and 126 deletions
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23
src/glue/arm/init.c
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@@ -25,6 +25,7 @@
#include INC_GLUE(memory.h)
#include INC_GLUE(message.h)
#include INC_GLUE(syscall.h)
#include INC_GLUE(init.h)
#include INC_PLAT(platform.h)
#include INC_PLAT(printascii.h)
#include INC_API(syscall.h)
@@ -193,8 +194,8 @@ void kip_init()
/* All thread utcbs are allocated starting from UTCB_AREA_START */
*utcb_ref = (struct utcb *)UTCB_AREA_START;
add_mapping(virt_to_phys(&kip), USER_KIP_PAGE, PAGE_SIZE,
MAP_USR_RO_FLAGS);
add_boot_mapping(virt_to_phys(&kip), USER_KIP_PAGE, PAGE_SIZE,
MAP_USR_RO_FLAGS);
printk("%s: Kernel built on %s, %s\n", __KERNELNAME__,
kip.kdesc.date, kip.kdesc.time);
}
@@ -357,6 +358,18 @@ void init_tasks()
// init_pager(__PAGERNAME__, &ids);
}
void setup_dummy_current()
{
/*
* Initialize the beginning of last page of
* stack as the current ktcb
*/
memset(current, 0, sizeof(struct ktcb));
current->space = &init_space;
TASK_PGD(current) = &init_pgd;
}
void start_kernel(void)
{
printascii("\n"__KERNELNAME__": start kernel...\n");
@@ -370,6 +383,9 @@ void start_kernel(void)
/* Enable virtual memory and jump to virtual addresses */
start_vm();
/* Set up a dummy current ktcb on boot stack with initial pgd */
setup_dummy_current();
/* Initialise platform-specific page mappings, and peripherals */
platform_init();
@@ -379,7 +395,8 @@ void start_kernel(void)
vectors_init();
/* Remap 1MB kernel sections as 4Kb pages. */
remap_as_pages((void *)page_align(_start_kernel), (void *)page_align_up(_end_kernel));
remap_as_pages((void *)page_align(_start_kernel),
(void *)page_align_up(_end_kernel));
/* Move the initial pgd into a more convenient place, mapped as pages. */
// relocate_page_tables();