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Changes between 16 March 2010 - 6 April 2010

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Mutex system call fixed for multiple contenders
Userspace irq support extended to keyboard/mouse.
Scheduler modified for real-time irq tasks
This commit is contained in:
Bahadir Balban
2010-04-06 19:47:12 +03:00
parent 1a62b92a8d
commit 403a038845
75 changed files with 1137 additions and 579 deletions
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53
src/generic/container.c
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@@ -121,6 +121,7 @@ int init_pager(struct pager *pager, struct container *cont)
/* Add the address space to container space list */
address_space_add(task->space);
#if 0
printk("%s: Mapping 0x%lx bytes (%lu pages) "
"from 0x%lx to 0x%lx for %s\n",
__KERNELNAME__, pager->memsize,
@@ -131,6 +132,58 @@ int init_pager(struct pager *pager, struct container *cont)
add_mapping_pgd(pager->start_lma, pager->start_vma,
page_align_up(pager->memsize),
MAP_USR_RWX, TASK_PGD(task));
#else
/*
* Map pager with appropriate section flags
* We do page_align_down() to do a page alignment for
* various kinds of sections, this automatically
* takes care of the case where we have different kinds of
* data lying on same page, eg: RX, RO etc.
* Here one assumption made is, starting of first
* RW section will be already page aligned, if this is
* not true then we have to take special care of this.
*/
if(pager->rx_sections_end >= pager->rw_sections_start) {
pager->rx_sections_end = page_align(pager->rx_sections_end);
pager->rw_sections_start = page_align(pager->rw_sections_start);
}
unsigned long size = 0;
if((size = page_align_up(pager->rx_sections_end) -
page_align_up(pager->rx_sections_start))) {
add_mapping_pgd(page_align_up(pager->rx_sections_start -
pager->start_vma +
pager->start_lma),
page_align_up(pager->rx_sections_start),
size, MAP_USR_RX, TASK_PGD(task));
printk("%s: Mapping 0x%lx bytes as RX "
"from 0x%lx to 0x%lx for %s\n",
__KERNELNAME__, size,
page_align_up(pager->rx_sections_start -
pager->start_vma + pager->start_lma),
page_align_up(pager->rx_sections_start),
cont->name);
}
if((size = page_align_up(pager->rw_sections_end) -
page_align_up(pager->rw_sections_start))) {
add_mapping_pgd(page_align_up(pager->rw_sections_start -
pager->start_vma +
pager->start_lma),
page_align_up(pager->rw_sections_start),
size, MAP_USR_RW, TASK_PGD(task));
printk("%s: Mapping 0x%lx bytes as RW "
"from 0x%lx to 0x%lx for %s\n",
__KERNELNAME__, size,
page_align_up(pager->rw_sections_start -
pager->start_vma + pager->start_lma),
page_align_up(pager->rw_sections_start),
cont->name);
}
#endif
/* Move capability list from dummy to task's space cap list */
cap_list_move(&task->space->cap_list, &current->cap_list);