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29 | #include <proc/scheduler.h> |
29 | #include <proc/scheduler.h> |
30 | #include <cpu.h> |
30 | #include <cpu.h> |
31 | #include <proc/thread.h> |
31 | #include <proc/thread.h> |
32 | #include <arch.h> |
32 | #include <arch.h> |
33 | #include <arch/context.h> /* SP_DELTA */ |
33 | #include <arch/context.h> /* SP_DELTA */ |
- | 34 | #include <arch/debugger.h> |
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34 | 35 | ||
35 | void before_thread_runs_arch(void) |
36 | void before_thread_runs_arch(void) |
36 | { |
37 | { |
37 | CPU->arch.tss->esp0 = (__address) &THREAD->kstack[THREAD_STACK_SIZE-SP_DELTA]; |
38 | CPU->arch.tss->esp0 = (__address) &THREAD->kstack[THREAD_STACK_SIZE-SP_DELTA]; |
38 | CPU->arch.tss->ss0 = selector(KDATA_DES); |
39 | CPU->arch.tss->ss0 = selector(KDATA_DES); |
- | 40 | ||
- | 41 | #ifdef CONFIG_DEBUG_AS_WATCHPOINT |
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- | 42 | /* Set watchpoint on AS to ensure that nobody sets it to zero */ |
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- | 43 | static int old_slot = -1; |
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- | 44 | if (old_slot >=0) |
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- | 45 | breakpoint_del(old_slot); |
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- | 46 | old_slot = breakpoint_add(&((the_t *) THREAD->kstack)->as, |
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- | 47 | BKPOINT_WRITE | BKPOINT_CHECK_ZERO); |
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- | 48 | #endif |
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- | 49 | ||
39 | } |
50 | } |
40 | 51 | ||
41 | void after_thread_ran_arch(void) |
52 | void after_thread_ran_arch(void) |
42 | { |
53 | { |
43 | } |
54 | } |