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largre_region creation (may not be needed)

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This commit is contained in:
Balazs Gerofi
2012-05-19 16:56:05 +09:00
parent 7557c49599
commit 77296a31a2
2 changed files with 62 additions and 5 deletions
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65
kernel/host.c
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@ -33,6 +33,7 @@ static void process_msg_prepare_process(unsigned long rphys)
char **argv;
int argc, envc, args_envs_npages;
char **env;
int range_npages;
sz = sizeof(struct program_load_desc)
+ sizeof(struct program_image_section) * 16;
@ -59,9 +60,65 @@ static void process_msg_prepare_process(unsigned long rphys)
s = (pn->sections[i].vaddr) & PAGE_MASK;
e = (pn->sections[i].vaddr + pn->sections[i].len
+ PAGE_SIZE - 1) & PAGE_MASK;
up = virt_to_phys(aal_mc_alloc_pages((e - s) >> PAGE_SHIFT, 0));
range_npages = (e - s) >> PAGE_SHIFT;
#if 0
if (range_npages <= 256) {
#endif
up = virt_to_phys(aal_mc_alloc_pages(range_npages, 0));
add_process_memory_range(proc, s, e, up, 0);
{
void *_virt = (void *)s;
unsigned long _phys;
aal_mc_pt_virt_to_phys(cpu_local_var(current)->vm->page_table,
_virt, &_phys);
for (_virt = (void *)s + PAGE_SIZE;
(unsigned long)_virt < e; _virt += PAGE_SIZE) {
unsigned long __phys;
aal_mc_pt_virt_to_phys(cpu_local_var(current)->vm->page_table,
_virt, &__phys);
if (__phys != _phys + PAGE_SIZE) {
kprintf("0x%lX + PAGE_SIZE is not physically contigous, from 0x%lX to 0x%lX\n", _virt - PAGE_SIZE, _phys, __phys);
panic("mondai");
}
_phys = __phys;
}
kprintf("0x%lX -> 0x%lX is physically contigous\n", s, e);
}
#if 0
}
else {
up = 0;
if (add_process_large_range(proc, s, e, 0, &up)) {
kprintf("ERROR: not enough memory\n");
while (1) cpu_halt();
}
{
void *_virt = (void *)s;
unsigned long _phys;
aal_mc_pt_virt_to_phys(cpu_local_var(current)->vm->page_table,
_virt, &_phys);
for (_virt = (void *)s + PAGE_SIZE;
(unsigned long)_virt < e; _virt += PAGE_SIZE) {
unsigned long __phys;
aal_mc_pt_virt_to_phys(cpu_local_var(current)->vm->page_table,
_virt, &__phys);
if (__phys != _phys + PAGE_SIZE) {
kprintf("0x%lX + PAGE_SIZE is not physically contigous, from 0x%lX to 0x%lX\n", _virt - PAGE_SIZE, _phys, __phys);
panic("mondai");
}
_phys = __phys;
}
kprintf("0x%lX -> 0x%lX is physically contigous\n", s, e);
}
}
#endif
add_process_memory_range(proc, s, e, up, 0);
p->sections[i].remote_pa = up;
/* TODO: Maybe we need flag */
@ -181,7 +238,7 @@ static void process_msg_prepare_process(unsigned long rphys)
dkprintf("env OK\n");
aal_mc_unmap_virtual(args_envs, ARGENV_PAGE_COUNT);
aal_mc_unmap_virtual(args_envs, ARGENV_PAGE_COUNT, 0);
p->rprocess = (unsigned long)proc;
init_process_stack(proc, argc, argv, envc, env);
@ -191,7 +248,7 @@ static void process_msg_prepare_process(unsigned long rphys)
aal_mc_free(pn);
aal_mc_unmap_virtual(p, npages);
aal_mc_unmap_virtual(p, npages, 1);
aal_mc_unmap_memory(NULL, phys, sz);
}