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Half way debug code of context switching.

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Main thread comes up but the secondary threads doesn't
get scheduled.

Signed-off-by: Himanshu Chauhan <hschauhan@nulltrace.org>
This commit is contained in:
Himanshu Chauhan
2011-05-20 09:22:05 +05:30
parent 4b3c5e4ae3
commit 83841d2673
13 changed files with 341 additions and 101 deletions
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2
kernel/atom.h
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@@ -116,7 +116,7 @@ extern ATOM_TCB *atomCurrentContext (void);
extern uint8_t atomThreadCreate (ATOM_TCB *tcb_ptr, uint8_t priority, void (*entry_point)(uint32_t), uint32_t entry_param, void *stack_bottom, uint32_t stack_size, uint8_t stack_check);
extern uint8_t atomThreadStackCheck (ATOM_TCB *tcb_ptr, uint32_t *used_bytes, uint32_t *free_bytes);
extern void archContextSwitch (ATOM_TCB *old_tcb_ptr, ATOM_TCB *new_tcb_ptr);
extern ATOM_TCB *archContextSwitch (ATOM_TCB *old_tcb_ptr, ATOM_TCB *new_tcb_ptr);
extern void archThreadContextInit (ATOM_TCB *tcb_ptr, void *stack_top, void (*entry_point)(uint32_t), uint32_t entry_param);
extern void archFirstThreadRestore(ATOM_TCB *new_tcb_ptr);

2
kernel/atomkernel.c
View File

@@ -343,7 +343,7 @@ static void atomThreadSwitch(ATOM_TCB *old_tcb, ATOM_TCB *new_tcb)
curr_tcb = new_tcb;
/* Call the architecture-specific context switch */
archContextSwitch (old_tcb, new_tcb);
old_tcb = archContextSwitch (old_tcb, new_tcb);
}
/**