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Adjusted FAKE_MCOUNT()s for amd64. This is needed for both ordinary

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and high resolution profiling of interrupt handlers.  The adjustments
are routine once the magic stack offset 13*4 is decoded to be TF_RIP
(there were originally more types of stack frames so using TF_EIP for
one of them wouldn't have been much simpler).

Removed garbage comments attached to some of the FAKE_MCOUNT()s.
This commit is contained in:
Bruce Evans 2004-05-23 16:23:29 +00:00
parent cf5a37b816
commit 5423714950
2 changed files with 4 additions and 4 deletions
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6
sys/amd64/amd64/apic_vector.S
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@ -100,7 +100,7 @@
SUPERALIGN_TEXT ; \
IDTVEC(vec_name) ; \
PUSH_FRAME ; \
FAKE_MCOUNT(13*4(%esp)) ; /* XXX avoid double count */ \
FAKE_MCOUNT(TF_RIP(%rsp)) ; \
movq lapic, %rdx ; /* pointer to local APIC */ \
movl LA_ISR + 16 * (index)(%rdx), %eax ; /* load ISR */ \
bsrl %eax, %eax ; /* index of highset set bit in ISR */ \
@ -234,7 +234,7 @@ IDTVEC(statclock)
movq lapic, %rdx
movl $0, LA_EOI(%rdx) /* End Of Interrupt to APIC */
FAKE_MCOUNT(13*4(%esp))
FAKE_MCOUNT(TF_RIP(%rsp))
call forwarded_statclock
MEXITCOUNT
@ -256,7 +256,7 @@ IDTVEC(cpuast)
movq lapic, %rdx
movl $0, LA_EOI(%rdx) /* End Of Interrupt to APIC */
FAKE_MCOUNT(13*4(%esp))
FAKE_MCOUNT(TF_RIP(%rsp))
MEXITCOUNT
jmp doreti

2
sys/amd64/isa/atpic_vector.S
View File

@ -66,7 +66,7 @@ IDTVEC(vec_name) ; \
movq %r13,TF_R13(%rsp) ; \
movq %r14,TF_R14(%rsp) ; \
movq %r15,TF_R15(%rsp) ; \
FAKE_MCOUNT(13*4(%esp)) ; /* XXX late to avoid double count */ \
FAKE_MCOUNT(TF_RIP(%rsp)) ; \
movq $irq_num, %rdi; /* pass the IRQ */ \
call atpic_handle_intr ; \
MEXITCOUNT ; \