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New UTCB implementation almost working.

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- KIP's pointer to UTCB seems to work with existing l4lib ipc functions.
- Works up to clone()
- In clone we mmap() the same UTCB on each new thread - excessive.
- Generally during page fault handling, cloned threads may fault on the same page
  multiple times even though a single handling would be enough for all of them.
  Need to detect and handle this.
This commit is contained in:
Bahadir Balban
2009-05-01 10:11:47 +03:00
parent 7a81db8782
commit cada0f8f18
31 changed files with 297 additions and 188 deletions
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4
tasks/libl4/include/l4lib/arch-arm/syscalls.h
View File

@@ -53,9 +53,9 @@ typedef int (*__l4_unmap_t)(void *virt, unsigned long npages, l4id_t tid);
extern __l4_unmap_t __l4_unmap;
int l4_unmap(void *virtual, unsigned long numpages, l4id_t tid);
typedef int (*__l4_thread_control_t)(unsigned int action, struct task_ids *ids, void *utcb_address);
typedef int (*__l4_thread_control_t)(unsigned int action, struct task_ids *ids);
extern __l4_thread_control_t __l4_thread_control;
int l4_thread_control(unsigned int action, struct task_ids *ids, void *utcb_address);
int l4_thread_control(unsigned int action, struct task_ids *ids);
typedef int (*__l4_space_control_t)(unsigned int action, void *kdata);
extern __l4_space_control_t __l4_space_control;

2
tasks/libl4/include/l4lib/exregs.h
View File

@@ -7,7 +7,7 @@ void exregs_set_stack(struct exregs_data *s, unsigned long sp);
void exregs_set_mr(struct exregs_data *s, int offset, unsigned long val);
void exregs_set_pc(struct exregs_data *s, unsigned long pc);
void exregs_set_pager(struct exregs_data *s, l4id_t pagerid);
void exregs_set_utcb(struct exregs_data *s, unsigned long phys, unsigned long virt);
void exregs_set_utcb(struct exregs_data *s, unsigned long virt);
/*
exregs_set_stack(unsigned long sp)