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11#include "ptrace.h"
12#include "tm.h"
13#include "ptrace-vsx.h"
14
15int shm_id;
16int *cptr, *pptr;
17
18unsigned long fp_load[VEC_MAX];
19unsigned long fp_load_new[VEC_MAX];
20unsigned long fp_store[VEC_MAX];
21unsigned long fp_load_ckpt[VEC_MAX];
22unsigned long fp_load_ckpt_new[VEC_MAX];
23
24__attribute__((used)) void load_vsx(void)
25{
26 loadvsx(fp_load, 0);
27}
28
29__attribute__((used)) void load_vsx_new(void)
30{
31 loadvsx(fp_load_new, 0);
32}
33
34__attribute__((used)) void load_vsx_ckpt(void)
35{
36 loadvsx(fp_load_ckpt, 0);
37}
38
39__attribute__((used)) void wait_parent(void)
40{
41 cptr[2] = 1;
42 while (!cptr[1])
43 asm volatile("" : : : "memory");
44}
45
46void tm_spd_vsx(void)
47{
48 unsigned long result, texasr;
49 int ret;
50
51 cptr = (int *)shmat(shm_id, NULL, 0);
52
53trans:
54 cptr[2] = 0;
55 asm __volatile__(
56 "bl load_vsx_ckpt;"
57
58 "1: ;"
59 "tbegin.;"
60 "beq 2f;"
61
62 "bl load_vsx_new;"
63 "tsuspend.;"
64 "bl load_vsx;"
65 "bl wait_parent;"
66 "tresume.;"
67
68 "tend.;"
69 "li 0, 0;"
70 "ori %[res], 0, 0;"
71 "b 3f;"
72
73 "2: ;"
74 "li 0, 1;"
75 "ori %[res], 0, 0;"
76 "mfspr %[texasr], %[sprn_texasr];"
77
78 "3: ;"
79 : [res] "=r" (result), [texasr] "=r" (texasr)
80 : [fp_load] "r" (fp_load), [fp_load_ckpt] "r" (fp_load_ckpt),
81 [sprn_texasr] "i" (SPRN_TEXASR)
82 : "memory", "r0", "r1", "r2", "r3", "r4",
83 "r8", "r9", "r10", "r11"
84 );
85
86 if (result) {
87 if (!cptr[0])
88 goto trans;
89 shmdt((void *)cptr);
90
91 storevsx(fp_store, 0);
92 ret = compare_vsx_vmx(fp_store, fp_load_ckpt_new);
93 if (ret)
94 exit(1);
95 exit(0);
96 }
97 shmdt((void *)cptr);
98 exit(1);
99}
100
101int trace_tm_spd_vsx(pid_t child)
102{
103 unsigned long vsx[VSX_MAX];
104 unsigned long vmx[VMX_MAX + 2][2];
105
106 FAIL_IF(start_trace(child));
107 FAIL_IF(show_vsx(child, vsx));
108 FAIL_IF(validate_vsx(vsx, fp_load));
109 FAIL_IF(show_vmx(child, vmx));
110 FAIL_IF(validate_vmx(vmx, fp_load));
111 FAIL_IF(show_vsx_ckpt(child, vsx));
112 FAIL_IF(validate_vsx(vsx, fp_load_ckpt));
113 FAIL_IF(show_vmx_ckpt(child, vmx));
114 FAIL_IF(validate_vmx(vmx, fp_load_ckpt));
115
116 memset(vsx, 0, sizeof(vsx));
117 memset(vmx, 0, sizeof(vmx));
118
119 load_vsx_vmx(fp_load_ckpt_new, vsx, vmx);
120
121 FAIL_IF(write_vsx_ckpt(child, vsx));
122 FAIL_IF(write_vmx_ckpt(child, vmx));
123
124 pptr[0] = 1;
125 pptr[1] = 1;
126 FAIL_IF(stop_trace(child));
127
128 return TEST_PASS;
129}
130
131int ptrace_tm_spd_vsx(void)
132{
133 pid_t pid;
134 int ret, status, i;
135
136 SKIP_IF(!have_htm());
137 shm_id = shmget(IPC_PRIVATE, sizeof(int) * 3, 0777|IPC_CREAT);
138
139 for (i = 0; i < 128; i++) {
140 fp_load[i] = 1 + rand();
141 fp_load_new[i] = 1 + 2 * rand();
142 fp_load_ckpt[i] = 1 + 3 * rand();
143 fp_load_ckpt_new[i] = 1 + 4 * rand();
144 }
145
146 pid = fork();
147 if (pid < 0) {
148 perror("fork() failed");
149 return TEST_FAIL;
150 }
151
152 if (pid == 0)
153 tm_spd_vsx();
154
155 if (pid) {
156 pptr = (int *)shmat(shm_id, NULL, 0);
157 while (!pptr[2])
158 asm volatile("" : : : "memory");
159
160 ret = trace_tm_spd_vsx(pid);
161 if (ret) {
162 kill(pid, SIGKILL);
163 shmdt((void *)pptr);
164 shmctl(shm_id, IPC_RMID, NULL);
165 return TEST_FAIL;
166 }
167
168 shmdt((void *)pptr);
169 ret = wait(&status);
170 shmctl(shm_id, IPC_RMID, NULL);
171 if (ret != pid) {
172 printf("Child's exit status not captured\n");
173 return TEST_FAIL;
174 }
175
176 return (WIFEXITED(status) && WEXITSTATUS(status)) ? TEST_FAIL :
177 TEST_PASS;
178 }
179 return TEST_PASS;
180}
181
182int main(int argc, char *argv[])
183{
184 return test_harness(ptrace_tm_spd_vsx, "ptrace_tm_spd_vsx");
185}
186
