selftests/powerpc: Add ptrace tests for GPR/FPR registers

This patch adds ptrace interface test for GPR/FPR registers.
This adds ptrace interface based helper functions related to
GPR/FPR access and some assembly helper functions related to
GPR/FPR registers.

Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
[mpe: Add #defines for the new note types when headers don't define them]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Anshuman Khandual 2016-09-30 10:32:52 +08:00 коммит произвёл Michael Ellerman
Родитель 15ec3997aa
Коммит f666ad413d
8 изменённых файлов: 781 добавлений и 1 удалений

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@ -26,7 +26,8 @@ SUB_DIRS = alignment \
syscalls \
tm \
vphn \
math
math \
ptrace
endif

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@ -81,4 +81,65 @@
#define STXVD2X(xs, ra, rb) .long (0x7c000798 | VSX_XX1((xs), (ra), (rb)))
#define LXVD2X(xs, ra, rb) .long (0x7c000698 | VSX_XX1((xs), (ra), (rb)))
#define ASM_LOAD_GPR_IMMED(_asm_symbol_name_immed) \
"li 14, %[" #_asm_symbol_name_immed "];" \
"li 15, %[" #_asm_symbol_name_immed "];" \
"li 16, %[" #_asm_symbol_name_immed "];" \
"li 17, %[" #_asm_symbol_name_immed "];" \
"li 18, %[" #_asm_symbol_name_immed "];" \
"li 19, %[" #_asm_symbol_name_immed "];" \
"li 20, %[" #_asm_symbol_name_immed "];" \
"li 21, %[" #_asm_symbol_name_immed "];" \
"li 22, %[" #_asm_symbol_name_immed "];" \
"li 23, %[" #_asm_symbol_name_immed "];" \
"li 24, %[" #_asm_symbol_name_immed "];" \
"li 25, %[" #_asm_symbol_name_immed "];" \
"li 26, %[" #_asm_symbol_name_immed "];" \
"li 27, %[" #_asm_symbol_name_immed "];" \
"li 28, %[" #_asm_symbol_name_immed "];" \
"li 29, %[" #_asm_symbol_name_immed "];" \
"li 30, %[" #_asm_symbol_name_immed "];" \
"li 31, %[" #_asm_symbol_name_immed "];"
#define ASM_LOAD_FPR_SINGLE_PRECISION(_asm_symbol_name_addr) \
"lfs 0, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 1, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 2, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 3, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 4, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 5, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 6, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 7, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 8, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 9, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 10, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 11, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 12, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 13, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 14, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 15, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 16, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 17, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 18, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 19, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 20, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 21, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 22, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 23, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 24, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 25, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 26, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 27, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 28, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 29, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 30, 0(%[" #_asm_symbol_name_addr "]);" \
"lfs 31, 0(%[" #_asm_symbol_name_addr "]);"
#ifndef __ASSEMBLER__
void store_gpr(unsigned long *addr);
void load_gpr(unsigned long *addr);
void load_fpr_single_precision(float *addr);
void store_fpr_single_precision(float *addr);
#endif /* end of __ASSEMBLER__ */
#endif /* _SELFTESTS_POWERPC_REG_H */

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@ -0,0 +1,132 @@
/*
* test helper assembly functions
*
* Copyright (C) 2016 Simon Guo, IBM Corporation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <ppc-asm.h>
#include "reg.h"
/* Non volatile GPR - unsigned long buf[18] */
FUNC_START(load_gpr)
ld 14, 0*8(3)
ld 15, 1*8(3)
ld 16, 2*8(3)
ld 17, 3*8(3)
ld 18, 4*8(3)
ld 19, 5*8(3)
ld 20, 6*8(3)
ld 21, 7*8(3)
ld 22, 8*8(3)
ld 23, 9*8(3)
ld 24, 10*8(3)
ld 25, 11*8(3)
ld 26, 12*8(3)
ld 27, 13*8(3)
ld 28, 14*8(3)
ld 29, 15*8(3)
ld 30, 16*8(3)
ld 31, 17*8(3)
blr
FUNC_END(load_gpr)
FUNC_START(store_gpr)
std 14, 0*8(3)
std 15, 1*8(3)
std 16, 2*8(3)
std 17, 3*8(3)
std 18, 4*8(3)
std 19, 5*8(3)
std 20, 6*8(3)
std 21, 7*8(3)
std 22, 8*8(3)
std 23, 9*8(3)
std 24, 10*8(3)
std 25, 11*8(3)
std 26, 12*8(3)
std 27, 13*8(3)
std 28, 14*8(3)
std 29, 15*8(3)
std 30, 16*8(3)
std 31, 17*8(3)
blr
FUNC_END(store_gpr)
/* Single Precision Float - float buf[32] */
FUNC_START(load_fpr_single_precision)
lfs 0, 0*4(3)
lfs 1, 1*4(3)
lfs 2, 2*4(3)
lfs 3, 3*4(3)
lfs 4, 4*4(3)
lfs 5, 5*4(3)
lfs 6, 6*4(3)
lfs 7, 7*4(3)
lfs 8, 8*4(3)
lfs 9, 9*4(3)
lfs 10, 10*4(3)
lfs 11, 11*4(3)
lfs 12, 12*4(3)
lfs 13, 13*4(3)
lfs 14, 14*4(3)
lfs 15, 15*4(3)
lfs 16, 16*4(3)
lfs 17, 17*4(3)
lfs 18, 18*4(3)
lfs 19, 19*4(3)
lfs 20, 20*4(3)
lfs 21, 21*4(3)
lfs 22, 22*4(3)
lfs 23, 23*4(3)
lfs 24, 24*4(3)
lfs 25, 25*4(3)
lfs 26, 26*4(3)
lfs 27, 27*4(3)
lfs 28, 28*4(3)
lfs 29, 29*4(3)
lfs 30, 30*4(3)
lfs 31, 31*4(3)
blr
FUNC_END(load_fpr_single_precision)
/* Single Precision Float - float buf[32] */
FUNC_START(store_fpr_single_precision)
stfs 0, 0*4(3)
stfs 1, 1*4(3)
stfs 2, 2*4(3)
stfs 3, 3*4(3)
stfs 4, 4*4(3)
stfs 5, 5*4(3)
stfs 6, 6*4(3)
stfs 7, 7*4(3)
stfs 8, 8*4(3)
stfs 9, 9*4(3)
stfs 10, 10*4(3)
stfs 11, 11*4(3)
stfs 12, 12*4(3)
stfs 13, 13*4(3)
stfs 14, 14*4(3)
stfs 15, 15*4(3)
stfs 16, 16*4(3)
stfs 17, 17*4(3)
stfs 18, 18*4(3)
stfs 19, 19*4(3)
stfs 20, 20*4(3)
stfs 21, 21*4(3)
stfs 22, 22*4(3)
stfs 23, 23*4(3)
stfs 24, 24*4(3)
stfs 25, 25*4(3)
stfs 26, 26*4(3)
stfs 27, 27*4(3)
stfs 28, 28*4(3)
stfs 29, 29*4(3)
stfs 30, 30*4(3)
stfs 31, 31*4(3)
blr
FUNC_END(store_fpr_single_precision)

1
tools/testing/selftests/powerpc/ptrace/.gitignore поставляемый Normal file
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@ -0,0 +1 @@
ptrace-gpr

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@ -0,0 +1,12 @@
TEST_PROGS := ptrace-gpr
include ../../lib.mk
all: $(TEST_PROGS)
CFLAGS += -m64 -I../../../../../usr/include
$(TEST_PROGS): ../harness.c ../utils.c ../lib/reg.S ptrace.h
clean:
rm -f $(TEST_PROGS) *.o

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@ -0,0 +1,123 @@
/*
* Ptrace test for GPR/FPR registers
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include "ptrace.h"
#include "ptrace-gpr.h"
#include "reg.h"
/* Tracer and Tracee Shared Data */
int shm_id;
int *cptr, *pptr;
float a = FPR_1;
float b = FPR_2;
float c = FPR_3;
void gpr(void)
{
unsigned long gpr_buf[18];
float fpr_buf[32];
cptr = (int *)shmat(shm_id, NULL, 0);
asm __volatile__(
ASM_LOAD_GPR_IMMED(gpr_1)
ASM_LOAD_FPR_SINGLE_PRECISION(flt_1)
:
: [gpr_1]"i"(GPR_1), [flt_1] "r" (&a)
: "memory", "r6", "r7", "r8", "r9", "r10",
"r11", "r12", "r13", "r14", "r15", "r16", "r17",
"r18", "r19", "r20", "r21", "r22", "r23", "r24",
"r25", "r26", "r27", "r28", "r29", "r30", "r31"
);
cptr[1] = 1;
while (!cptr[0])
asm volatile("" : : : "memory");
shmdt((void *)cptr);
store_gpr(gpr_buf);
store_fpr_single_precision(fpr_buf);
if (validate_gpr(gpr_buf, GPR_3))
exit(1);
if (validate_fpr_float(fpr_buf, c))
exit(1);
exit(0);
}
int trace_gpr(pid_t child)
{
unsigned long gpr[18];
unsigned long fpr[32];
FAIL_IF(start_trace(child));
FAIL_IF(show_gpr(child, gpr));
FAIL_IF(validate_gpr(gpr, GPR_1));
FAIL_IF(show_fpr(child, fpr));
FAIL_IF(validate_fpr(fpr, FPR_1_REP));
FAIL_IF(write_gpr(child, GPR_3));
FAIL_IF(write_fpr(child, FPR_3_REP));
FAIL_IF(stop_trace(child));
return TEST_PASS;
}
int ptrace_gpr(void)
{
pid_t pid;
int ret, status;
shm_id = shmget(IPC_PRIVATE, sizeof(int) * 2, 0777|IPC_CREAT);
pid = fork();
if (pid < 0) {
perror("fork() failed");
return TEST_FAIL;
}
if (pid == 0)
gpr();
if (pid) {
pptr = (int *)shmat(shm_id, NULL, 0);
while (!pptr[1])
asm volatile("" : : : "memory");
ret = trace_gpr(pid);
if (ret) {
kill(pid, SIGTERM);
shmdt((void *)pptr);
shmctl(shm_id, IPC_RMID, NULL);
return TEST_FAIL;
}
pptr[0] = 1;
shmdt((void *)pptr);
ret = wait(&status);
shmctl(shm_id, IPC_RMID, NULL);
if (ret != pid) {
printf("Child's exit status not captured\n");
return TEST_FAIL;
}
return (WIFEXITED(status) && WEXITSTATUS(status)) ? TEST_FAIL :
TEST_PASS;
}
return TEST_PASS;
}
int main(int argc, char *argv[])
{
return test_harness(ptrace_gpr, "ptrace_gpr");
}

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@ -0,0 +1,74 @@
/*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#define GPR_1 1
#define GPR_2 2
#define GPR_3 3
#define GPR_4 4
#define FPR_1 0.001
#define FPR_2 0.002
#define FPR_3 0.003
#define FPR_4 0.004
#define FPR_1_REP 0x3f50624de0000000
#define FPR_2_REP 0x3f60624de0000000
#define FPR_3_REP 0x3f689374c0000000
#define FPR_4_REP 0x3f70624de0000000
/* Buffer must have 18 elements */
int validate_gpr(unsigned long *gpr, unsigned long val)
{
int i, found = 1;
for (i = 0; i < 18; i++) {
if (gpr[i] != val) {
printf("GPR[%d]: %lx Expected: %lx\n",
i+14, gpr[i], val);
found = 0;
}
}
if (!found)
return TEST_FAIL;
return TEST_PASS;
}
/* Buffer must have 32 elements */
int validate_fpr(unsigned long *fpr, unsigned long val)
{
int i, found = 1;
for (i = 0; i < 32; i++) {
if (fpr[i] != val) {
printf("FPR[%d]: %lx Expected: %lx\n", i, fpr[i], val);
found = 0;
}
}
if (!found)
return TEST_FAIL;
return TEST_PASS;
}
/* Buffer must have 32 elements */
int validate_fpr_float(float *fpr, float val)
{
int i, found = 1;
for (i = 0; i < 32; i++) {
if (fpr[i] != val) {
printf("FPR[%d]: %f Expected: %f\n", i, fpr[i], val);
found = 0;
}
}
if (!found)
return TEST_FAIL;
return TEST_PASS;
}

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@ -0,0 +1,376 @@
/*
* Ptrace interface test helper functions
*
* Copyright (C) 2015 Anshuman Khandual, IBM Corporation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <inttypes.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <malloc.h>
#include <errno.h>
#include <time.h>
#include <sys/ptrace.h>
#include <sys/ioctl.h>
#include <sys/uio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/signal.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/user.h>
#include <linux/elf.h>
#include <linux/types.h>
#include <linux/auxvec.h>
#include "reg.h"
#include "utils.h"
#define TEST_PASS 0
#define TEST_FAIL 1
struct fpr_regs {
unsigned long fpr[32];
unsigned long fpscr;
};
#ifndef NT_PPC_TAR
#define NT_PPC_TAR 0x103
#define NT_PPC_PPR 0x104
#define NT_PPC_DSCR 0x105
#define NT_PPC_EBB 0x106
#define NT_PPC_PMU 0x107
#define NT_PPC_TM_CGPR 0x108
#define NT_PPC_TM_CFPR 0x109
#define NT_PPC_TM_CVMX 0x10a
#define NT_PPC_TM_CVSX 0x10b
#define NT_PPC_TM_SPR 0x10c
#define NT_PPC_TM_CTAR 0x10d
#define NT_PPC_TM_CPPR 0x10e
#define NT_PPC_TM_CDSCR 0x10f
#endif
/* Basic ptrace operations */
int start_trace(pid_t child)
{
int ret;
ret = ptrace(PTRACE_ATTACH, child, NULL, NULL);
if (ret) {
perror("ptrace(PTRACE_ATTACH) failed");
return TEST_FAIL;
}
ret = waitpid(child, NULL, 0);
if (ret != child) {
perror("waitpid() failed");
return TEST_FAIL;
}
return TEST_PASS;
}
int stop_trace(pid_t child)
{
int ret;
ret = ptrace(PTRACE_DETACH, child, NULL, NULL);
if (ret) {
perror("ptrace(PTRACE_DETACH) failed");
return TEST_FAIL;
}
return TEST_PASS;
}
int cont_trace(pid_t child)
{
int ret;
ret = ptrace(PTRACE_CONT, child, NULL, NULL);
if (ret) {
perror("ptrace(PTRACE_CONT) failed");
return TEST_FAIL;
}
return TEST_PASS;
}
/* FPR */
int show_fpr(pid_t child, unsigned long *fpr)
{
struct fpr_regs *regs;
int ret, i;
regs = (struct fpr_regs *) malloc(sizeof(struct fpr_regs));
ret = ptrace(PTRACE_GETFPREGS, child, NULL, regs);
if (ret) {
perror("ptrace(PTRACE_GETREGSET) failed");
return TEST_FAIL;
}
if (fpr) {
for (i = 0; i < 32; i++)
fpr[i] = regs->fpr[i];
}
return TEST_PASS;
}
int write_fpr(pid_t child, unsigned long val)
{
struct fpr_regs *regs;
int ret, i;
regs = (struct fpr_regs *) malloc(sizeof(struct fpr_regs));
ret = ptrace(PTRACE_GETFPREGS, child, NULL, regs);
if (ret) {
perror("ptrace(PTRACE_GETREGSET) failed");
return TEST_FAIL;
}
for (i = 0; i < 32; i++)
regs->fpr[i] = val;
ret = ptrace(PTRACE_SETFPREGS, child, NULL, regs);
if (ret) {
perror("ptrace(PTRACE_GETREGSET) failed");
return TEST_FAIL;
}
return TEST_PASS;
}
int show_ckpt_fpr(pid_t child, unsigned long *fpr)
{
struct fpr_regs *regs;
struct iovec iov;
int ret, i;
regs = (struct fpr_regs *) malloc(sizeof(struct fpr_regs));
iov.iov_base = regs;
iov.iov_len = sizeof(struct fpr_regs);
ret = ptrace(PTRACE_GETREGSET, child, NT_PPC_TM_CFPR, &iov);
if (ret) {
perror("ptrace(PTRACE_GETREGSET) failed");
return TEST_FAIL;
}
if (fpr) {
for (i = 0; i < 32; i++)
fpr[i] = regs->fpr[i];
}
return TEST_PASS;
}
int write_ckpt_fpr(pid_t child, unsigned long val)
{
struct fpr_regs *regs;
struct iovec iov;
int ret, i;
regs = (struct fpr_regs *) malloc(sizeof(struct fpr_regs));
iov.iov_base = regs;
iov.iov_len = sizeof(struct fpr_regs);
ret = ptrace(PTRACE_GETREGSET, child, NT_PPC_TM_CFPR, &iov);
if (ret) {
perror("ptrace(PTRACE_GETREGSET) failed");
return TEST_FAIL;
}
for (i = 0; i < 32; i++)
regs->fpr[i] = val;
ret = ptrace(PTRACE_SETREGSET, child, NT_PPC_TM_CFPR, &iov);
if (ret) {
perror("ptrace(PTRACE_GETREGSET) failed");
return TEST_FAIL;
}
return TEST_PASS;
}
/* GPR */
int show_gpr(pid_t child, unsigned long *gpr)
{
struct pt_regs *regs;
int ret, i;
regs = (struct pt_regs *) malloc(sizeof(struct pt_regs));
if (!regs) {
perror("malloc() failed");
return TEST_FAIL;
}
ret = ptrace(PTRACE_GETREGS, child, NULL, regs);
if (ret) {
perror("ptrace(PTRACE_GETREGSET) failed");
return TEST_FAIL;
}
if (gpr) {
for (i = 14; i < 32; i++)
gpr[i-14] = regs->gpr[i];
}
return TEST_PASS;
}
int write_gpr(pid_t child, unsigned long val)
{
struct pt_regs *regs;
int i, ret;
regs = (struct pt_regs *) malloc(sizeof(struct pt_regs));
if (!regs) {
perror("malloc() failed");
return TEST_FAIL;
}
ret = ptrace(PTRACE_GETREGS, child, NULL, regs);
if (ret) {
perror("ptrace(PTRACE_GETREGSET) failed");
return TEST_FAIL;
}
for (i = 14; i < 32; i++)
regs->gpr[i] = val;
ret = ptrace(PTRACE_SETREGS, child, NULL, regs);
if (ret) {
perror("ptrace(PTRACE_GETREGSET) failed");
return TEST_FAIL;
}
return TEST_PASS;
}
int show_ckpt_gpr(pid_t child, unsigned long *gpr)
{
struct pt_regs *regs;
struct iovec iov;
int ret, i;
regs = (struct pt_regs *) malloc(sizeof(struct pt_regs));
if (!regs) {
perror("malloc() failed");
return TEST_FAIL;
}
iov.iov_base = (u64 *) regs;
iov.iov_len = sizeof(struct pt_regs);
ret = ptrace(PTRACE_GETREGSET, child, NT_PPC_TM_CGPR, &iov);
if (ret) {
perror("ptrace(PTRACE_GETREGSET) failed");
return TEST_FAIL;
}
if (gpr) {
for (i = 14; i < 32; i++)
gpr[i-14] = regs->gpr[i];
}
return TEST_PASS;
}
int write_ckpt_gpr(pid_t child, unsigned long val)
{
struct pt_regs *regs;
struct iovec iov;
int ret, i;
regs = (struct pt_regs *) malloc(sizeof(struct pt_regs));
if (!regs) {
perror("malloc() failed\n");
return TEST_FAIL;
}
iov.iov_base = (u64 *) regs;
iov.iov_len = sizeof(struct pt_regs);
ret = ptrace(PTRACE_GETREGSET, child, NT_PPC_TM_CGPR, &iov);
if (ret) {
perror("ptrace(PTRACE_GETREGSET) failed");
return TEST_FAIL;
}
for (i = 14; i < 32; i++)
regs->gpr[i] = val;
ret = ptrace(PTRACE_SETREGSET, child, NT_PPC_TM_CGPR, &iov);
if (ret) {
perror("ptrace(PTRACE_GETREGSET) failed");
return TEST_FAIL;
}
return TEST_PASS;
}
/* Analyse TEXASR after TM failure */
inline unsigned long get_tfiar(void)
{
unsigned long ret;
asm volatile("mfspr %0,%1" : "=r" (ret) : "i" (SPRN_TFIAR));
return ret;
}
void analyse_texasr(unsigned long texasr)
{
printf("TEXASR: %16lx\t", texasr);
if (texasr & TEXASR_FP)
printf("TEXASR_FP ");
if (texasr & TEXASR_DA)
printf("TEXASR_DA ");
if (texasr & TEXASR_NO)
printf("TEXASR_NO ");
if (texasr & TEXASR_FO)
printf("TEXASR_FO ");
if (texasr & TEXASR_SIC)
printf("TEXASR_SIC ");
if (texasr & TEXASR_NTC)
printf("TEXASR_NTC ");
if (texasr & TEXASR_TC)
printf("TEXASR_TC ");
if (texasr & TEXASR_TIC)
printf("TEXASR_TIC ");
if (texasr & TEXASR_IC)
printf("TEXASR_IC ");
if (texasr & TEXASR_IFC)
printf("TEXASR_IFC ");
if (texasr & TEXASR_ABT)
printf("TEXASR_ABT ");
if (texasr & TEXASR_SPD)
printf("TEXASR_SPD ");
if (texasr & TEXASR_HV)
printf("TEXASR_HV ");
if (texasr & TEXASR_PR)
printf("TEXASR_PR ");
if (texasr & TEXASR_FS)
printf("TEXASR_FS ");
if (texasr & TEXASR_TE)
printf("TEXASR_TE ");
if (texasr & TEXASR_ROT)
printf("TEXASR_ROT ");
printf("TFIAR :%lx\n", get_tfiar());
}
void store_gpr(unsigned long *addr);
void store_fpr(float *addr);