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Provide an implementation of KTR_CPU that doesn't use pcpu, so we don't

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crash and burn if its not setup yet.  Add timestamp, cpu, and (fake) file
and line recording to the asm version of CTR.
This commit is contained in:
jake 2002-04-06 08:40:59 +00:00
parent 29a063aab2
commit e8f00616a8
2 changed files with 31 additions and 27 deletions
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56
sys/sparc64/include/ktr.h
View File

@ -32,28 +32,32 @@
#ifndef _MACHINE_KTR_H_
#define _MACHINE_KTR_H_
#ifdef LOCORE
#include <machine/upa.h>
#define AND(var, mask, r1, r2, r3) \
setx var, r2, r1 ; \
setx mask, r3, r2 ; \
lduw [r1], r3 ; \
and r2, r3, r1
#ifndef LOCORE
#define TEST(var, mask, r1, r2, r3, l1) \
AND(var, mask, r1, r2, r3) ; \
#define KTR_CPU UPA_CR_GET_MID(ldxa(0, ASI_UPA_CONFIG_REG))
#else
#define AND(var, mask, r1, r2) \
SET(var, r2, r1) ; \
lduw [r1], r2 ; \
and r2, mask, r1
#define TEST(var, mask, r1, r2, l1) \
AND(var, mask, r1, r2) ; \
brz r1, l1 ## f ; \
nop
/*
* XXX doesn't do timestamp or ktr_cpu.
* XXX could really use another register.
* XXX could really use another register...
*/
#define ATR(desc, r1, r2, r3, l1, l2) \
.sect .rodata ; \
l1 ## : .asciz desc ; \
.previous ; \
set ktr_idx, r1 ; \
SET(ktr_idx, r2, r1) ; \
lduw [r1], r2 ; \
l2 ## : add r2, 1, r3 ; \
set KTR_ENTRIES - 1, r1 ; \
@ -63,29 +67,27 @@ l2 ## : add r2, 1, r3 ; \
cmp r2, r3 ; \
bne %icc, l2 ## b ; \
mov r3, r2 ; \
set ktr_buf, r1 ; \
SET(ktr_buf, r3, r1) ; \
mulx r2, KTR_SIZEOF, r2 ; \
add r1, r2, r1 ; \
set l1 ## b, r2 ; \
rd %tick, r2 ; \
stx r2, [r1 + KTR_TIMESTAMP] ; \
UPA_GET_MID(r2) ; \
stw r2, [r1 + KTR_CPU] ; \
stw %g0, [r1 + KTR_LINE] ; \
stx %g0, [r1 + KTR_FILE] ; \
SET(l1 ## b, r3, r2) ; \
stx r2, [r1 + KTR_DESC]
#define CATR(mask, desc, r1, r2, r3, l1, l2, l3) \
TEST(ktr_mask, mask, r1, r2, r3, l3) ; \
set mask, r1 ; \
TEST(ktr_mask, r1, r2, r2, l3) ; \
UPA_GET_MID(r1) ; \
mov 1, r2 ; \
sllx r2, r1, r1 ; \
TEST(ktr_cpumask, r1, r2, r3, l3) ; \
ATR(desc, r1, r2, r3, l1, l2)
/*
* XXX crude conditional breakpoint and sir
*/
#define CBPT(mask, r1, r2, r3, l1) \
TEST(ktr_mask, mask, r1, r2, r3, l1) ; \
DEBUGGER() ; \
l1 ## :
#define CSIR(mask, r1, r2, r3, l1) \
TEST(ktr_mask, mask, r1, r2, r3, l1) ; \
sir 42 ; \
l1 ## :
#endif /* LOCORE */
#endif /* !_MACHINE_KTR_H_ */

2
sys/sparc64/sparc64/genassym.c
View File

@ -132,6 +132,8 @@ ASSYM(KTR_CT7, KTR_CT7);
ASSYM(KTR_CT8, KTR_CT8);
ASSYM(KTR_SIZEOF, sizeof(struct ktr_entry));
ASSYM(KTR_LINE, offsetof(struct ktr_entry, ktr_line));
ASSYM(KTR_FILE, offsetof(struct ktr_entry, ktr_file));
ASSYM(KTR_DESC, offsetof(struct ktr_entry, ktr_desc));
ASSYM(KTR_CPU, offsetof(struct ktr_entry, ktr_cpu));
ASSYM(KTR_TIMESTAMP, offsetof(struct ktr_entry, ktr_timestamp));