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#include <arch.h>
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#include <arch.h>
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#include <arch/context.h>   /* SP_DELTA */
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#include <arch/context.h>   /* SP_DELTA */
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#include <arch/asm.h>
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#include <arch/asm.h>
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#include <arch/debugger.h>
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#include <arch/debugger.h>
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#include <print.h>
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void before_thread_runs_arch(void)
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void before_thread_runs_arch(void)
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{
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{
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    CPU->arch.tss->rsp0 = (__address) &THREAD->kstack[THREAD_STACK_SIZE-SP_DELTA];
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    CPU->arch.tss->rsp0 = (__address) &THREAD->kstack[THREAD_STACK_SIZE-SP_DELTA];
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    /* Syscall support - write thread stack address to hidden part of gs */
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    /* Syscall support - write thread stack address to hidden part of gs */
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    swapgs();
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    swapgs();
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    write_msr(AMD_MSR_GS,
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    write_msr(AMD_MSR_GS,
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          (__u64)&THREAD->kstack);
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          (__u64)&THREAD->kstack);
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    swapgs();
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    swapgs();
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#ifdef CONFIG_DEBUG_AS_WATCHPOINT
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#ifdef CONFIG_DEBUG_AS_WATCHPOINT
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    /* Set watchpoint on AS to ensure that nobody sets it to zero */
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    /* Set watchpoint on AS to ensure that nobody sets it to zero */
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    static int old_slot = -1;
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    if (old_slot >=0)
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    if (CPU->id < BKPOINTS_MAX)
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        breakpoint_del(old_slot);
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    old_slot = breakpoint_add(&((the_t *) THREAD->kstack)->as,
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        breakpoint_add(&((the_t *) THREAD->kstack)->as,
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                  BKPOINT_WRITE | BKPOINT_CHECK_ZERO);
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                   BKPOINT_WRITE | BKPOINT_CHECK_ZERO,
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                   CPU->id);
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#endif
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#endif
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}
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}
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void after_thread_ran_arch(void)
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void after_thread_ran_arch(void)
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{
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{