diff options
Diffstat (limited to 'meta/packages/qemu/qemu-0.9.0+cvs20070613/qemu-0.9.0-nptl-update.patch')
-rw-r--r-- | meta/packages/qemu/qemu-0.9.0+cvs20070613/qemu-0.9.0-nptl-update.patch | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/meta/packages/qemu/qemu-0.9.0+cvs20070613/qemu-0.9.0-nptl-update.patch b/meta/packages/qemu/qemu-0.9.0+cvs20070613/qemu-0.9.0-nptl-update.patch deleted file mode 100644 index 869acba2cf..0000000000 --- a/meta/packages/qemu/qemu-0.9.0+cvs20070613/qemu-0.9.0-nptl-update.patch +++ /dev/null | |||
@@ -1,294 +0,0 @@ | |||
1 | Index: qemu/linux-user/main.c | ||
2 | =================================================================== | ||
3 | --- qemu.orig/linux-user/main.c 2007-06-29 10:47:58.000000000 +0000 | ||
4 | +++ qemu/linux-user/main.c 2007-06-29 10:47:58.000000000 +0000 | ||
5 | @@ -156,7 +156,7 @@ | ||
6 | p[1] = tswapl(e2); | ||
7 | } | ||
8 | |||
9 | -uint64_t gdt_table[6]; | ||
10 | +uint64_t gdt_table[9]; | ||
11 | uint64_t idt_table[256]; | ||
12 | |||
13 | /* only dpl matters as we do only user space emulation */ | ||
14 | @@ -1768,7 +1768,11 @@ | ||
15 | int optind; | ||
16 | const char *r; | ||
17 | int gdbstub_port = 0; | ||
18 | - | ||
19 | + char *assume_kernel = getenv("QEMU_ASSUME_KERNEL"); | ||
20 | + | ||
21 | + if (assume_kernel) | ||
22 | + setenv("LD_ASSUME_KERNEL", assume_kernel, 1); | ||
23 | + | ||
24 | if (argc <= 1) | ||
25 | usage(); | ||
26 | |||
27 | Index: qemu/linux-user/syscall.c | ||
28 | =================================================================== | ||
29 | --- qemu.orig/linux-user/syscall.c 2007-06-29 10:47:58.000000000 +0000 | ||
30 | +++ qemu/linux-user/syscall.c 2007-06-29 10:53:44.000000000 +0000 | ||
31 | @@ -60,6 +60,7 @@ | ||
32 | #define tchars host_tchars /* same as target */ | ||
33 | #define ltchars host_ltchars /* same as target */ | ||
34 | |||
35 | +#include <linux/futex.h> | ||
36 | #include <linux/termios.h> | ||
37 | #include <linux/unistd.h> | ||
38 | #include <linux/utsname.h> | ||
39 | @@ -2122,6 +2123,80 @@ | ||
40 | return ret; | ||
41 | } | ||
42 | |||
43 | +int do_set_thread_area(CPUX86State *env, target_ulong ptr) | ||
44 | +{ | ||
45 | + uint64_t *gdt_table = g2h(env->gdt.base); | ||
46 | + struct target_modify_ldt_ldt_s ldt_info; | ||
47 | + struct target_modify_ldt_ldt_s *target_ldt_info; | ||
48 | + int seg_32bit, contents, read_exec_only, limit_in_pages; | ||
49 | + int seg_not_present, useable; | ||
50 | + uint32_t *lp, entry_1, entry_2; | ||
51 | + int i; | ||
52 | + | ||
53 | + lock_user_struct(target_ldt_info, ptr, 1); | ||
54 | + ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | ||
55 | + ldt_info.base_addr = tswapl(target_ldt_info->base_addr); | ||
56 | + ldt_info.limit = tswap32(target_ldt_info->limit); | ||
57 | + ldt_info.flags = tswap32(target_ldt_info->flags); | ||
58 | + if (ldt_info.entry_number == -1) { | ||
59 | + for (i=6; i<8; i++) | ||
60 | + if (gdt_table[i] == 0) { | ||
61 | + ldt_info.entry_number = i; | ||
62 | + target_ldt_info->entry_number = tswap32(i); | ||
63 | + break; | ||
64 | + } | ||
65 | + } | ||
66 | + unlock_user_struct(target_ldt_info, ptr, 0); | ||
67 | + | ||
68 | + if (ldt_info.entry_number < 6 || ldt_info.entry_number > 8) | ||
69 | + return -EINVAL; | ||
70 | + seg_32bit = ldt_info.flags & 1; | ||
71 | + contents = (ldt_info.flags >> 1) & 3; | ||
72 | + read_exec_only = (ldt_info.flags >> 3) & 1; | ||
73 | + limit_in_pages = (ldt_info.flags >> 4) & 1; | ||
74 | + seg_not_present = (ldt_info.flags >> 5) & 1; | ||
75 | + useable = (ldt_info.flags >> 6) & 1; | ||
76 | + | ||
77 | + if (contents == 3) { | ||
78 | + if (seg_not_present == 0) | ||
79 | + return -EINVAL; | ||
80 | + } | ||
81 | + | ||
82 | + /* NOTE: same code as Linux kernel */ | ||
83 | + /* Allow LDTs to be cleared by the user. */ | ||
84 | + if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | ||
85 | + if ((contents == 0 && | ||
86 | + read_exec_only == 1 && | ||
87 | + seg_32bit == 0 && | ||
88 | + limit_in_pages == 0 && | ||
89 | + seg_not_present == 1 && | ||
90 | + useable == 0 )) { | ||
91 | + entry_1 = 0; | ||
92 | + entry_2 = 0; | ||
93 | + goto install; | ||
94 | + } | ||
95 | + } | ||
96 | + | ||
97 | + entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | ||
98 | + (ldt_info.limit & 0x0ffff); | ||
99 | + entry_2 = (ldt_info.base_addr & 0xff000000) | | ||
100 | + ((ldt_info.base_addr & 0x00ff0000) >> 16) | | ||
101 | + (ldt_info.limit & 0xf0000) | | ||
102 | + ((read_exec_only ^ 1) << 9) | | ||
103 | + (contents << 10) | | ||
104 | + ((seg_not_present ^ 1) << 15) | | ||
105 | + (seg_32bit << 22) | | ||
106 | + (limit_in_pages << 23) | | ||
107 | + (useable << 20) | | ||
108 | + 0x7000; | ||
109 | + | ||
110 | + /* Install the new entry ... */ | ||
111 | +install: | ||
112 | + lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | ||
113 | + lp[0] = tswap32(entry_1); | ||
114 | + lp[1] = tswap32(entry_2); | ||
115 | + return 0; | ||
116 | +} | ||
117 | #endif /* defined(TARGET_I386) */ | ||
118 | |||
119 | /* this stack is the equivalent of the kernel stack associated with a | ||
120 | @@ -2154,15 +2229,20 @@ | ||
121 | TaskState *ts; | ||
122 | uint8_t *new_stack; | ||
123 | CPUState *new_env; | ||
124 | +#if defined(TARGET_I386) | ||
125 | + uint64_t *new_gdt_table; | ||
126 | +#endif | ||
127 | #ifdef USE_NPTL | ||
128 | unsigned int nptl_flags; | ||
129 | |||
130 | if (flags & CLONE_PARENT_SETTID) | ||
131 | *parent_tidptr = gettid(); | ||
132 | #endif | ||
133 | - | ||
134 | + | ||
135 | if (flags & CLONE_VM) { | ||
136 | ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE); | ||
137 | + if (!ts) | ||
138 | + return -ENOMEM; | ||
139 | memset(ts, 0, sizeof(TaskState)); | ||
140 | new_stack = ts->stack; | ||
141 | ts->used = 1; | ||
142 | @@ -2174,6 +2254,29 @@ | ||
143 | #if defined(TARGET_I386) | ||
144 | if (!newsp) | ||
145 | newsp = env->regs[R_ESP]; | ||
146 | + new_gdt_table = malloc(9 * 8); | ||
147 | + if (!new_gdt_table) { | ||
148 | + free(new_env); | ||
149 | + return -ENOMEM; | ||
150 | + } | ||
151 | + /* Copy main GDT table from parent, but clear TLS entries */ | ||
152 | + memcpy(new_gdt_table, g2h(env->gdt.base), 6 * 8); | ||
153 | + memset(&new_gdt_table[6], 0, 3 * 8); | ||
154 | + new_env->gdt.base = h2g(new_gdt_table); | ||
155 | + if (flags & 0x00080000 /* CLONE_SETTLS */) { | ||
156 | + ret = do_set_thread_area(new_env, new_env->regs[R_ESI]); | ||
157 | + if (ret) { | ||
158 | + free(new_gdt_table); | ||
159 | + free(new_env); | ||
160 | + return ret; | ||
161 | + } | ||
162 | + } | ||
163 | + cpu_x86_load_seg(env, R_CS, new_env->regs[R_CS]); | ||
164 | + cpu_x86_load_seg(env, R_DS, new_env->regs[R_DS]); | ||
165 | + cpu_x86_load_seg(env, R_ES, new_env->regs[R_ES]); | ||
166 | + cpu_x86_load_seg(env, R_SS, new_env->regs[R_SS]); | ||
167 | + cpu_x86_load_seg(env, R_FS, new_env->regs[R_FS]); | ||
168 | + cpu_x86_load_seg(env, R_GS, new_env->regs[R_GS]); | ||
169 | new_env->regs[R_ESP] = newsp; | ||
170 | new_env->regs[R_EAX] = 0; | ||
171 | #elif defined(TARGET_ARM) | ||
172 | @@ -2517,6 +2620,68 @@ | ||
173 | unlock_user_struct(target_ts, target_addr, 1); | ||
174 | } | ||
175 | |||
176 | +static long do_futex(target_ulong uaddr, int op, uint32_t val, | ||
177 | + target_ulong utime, target_ulong uaddr2, | ||
178 | + uint32_t val3) | ||
179 | +{ | ||
180 | + struct timespec host_utime; | ||
181 | + unsigned long val2 = utime; | ||
182 | + | ||
183 | + if (utime && (op == FUTEX_WAIT || op == FUTEX_LOCK_PI)) { | ||
184 | + target_to_host_timespec(&host_utime, utime); | ||
185 | + val2 = (unsigned long)&host_utime; | ||
186 | + } | ||
187 | + | ||
188 | +#ifdef BSWAP_NEEDED | ||
189 | + switch(op) { | ||
190 | + case FUTEX_CMP_REQUEUE: | ||
191 | + val3 = tswap32(val3); | ||
192 | + case FUTEX_REQUEUE: | ||
193 | + val2 = tswap32(val2); | ||
194 | + case FUTEX_WAIT: | ||
195 | + case FUTEX_WAKE: | ||
196 | + val = tswap32(val); | ||
197 | + case FUTEX_LOCK_PI: /* This one's icky, but comes out OK */ | ||
198 | + case FUTEX_UNLOCK_PI: | ||
199 | + break; | ||
200 | + default: | ||
201 | + gemu_log("qemu: Unsupported futex op %d\n", op); | ||
202 | + return -ENOSYS; | ||
203 | + } | ||
204 | +#if 0 /* No, it's worse than this */ | ||
205 | + if (op == FUTEX_WAKE_OP) { | ||
206 | + /* Need to munge the secondary operation (val3) */ | ||
207 | + val3 = tswap32(val3); | ||
208 | + int op2 = (val3 >> 28) & 7; | ||
209 | + int cmp = (val3 >> 24) & 15; | ||
210 | + int oparg = (val3 << 8) >> 20; | ||
211 | + int cmparg = (val3 << 20) >> 20; | ||
212 | + int shift = val3 & (FUTEX_OP_OPARG_SHIFT << 28); | ||
213 | + | ||
214 | + if (shift) | ||
215 | + oparg = (oparg & 7) + 24 - (oparg & 24); | ||
216 | + else oparg = | ||
217 | + if (op2 == FUTEX_OP_ADD) { | ||
218 | + gemu_log("qemu: Unsupported wrong-endian FUTEX_OP_ADD\n"); | ||
219 | + return -ENOSYS; | ||
220 | + } | ||
221 | + if (cmparg == FUTEX_OP_CMP_LT || cmparg == FUTEX_OP_CMP_GE || | ||
222 | + cmparg == FUTEX_OP_CMP_LE || cmparg == FUTEX_OP_CMP_GT) { | ||
223 | + gemu_log("qemu: Unsupported wrong-endian futex cmparg %d\n", cmparg); | ||
224 | + return -ENOSYS; | ||
225 | + } | ||
226 | + val3 = shift | (op2<<28) | (cmp<<24) | (oparg<<12) | cmparg; | ||
227 | + } | ||
228 | +#endif | ||
229 | +#endif | ||
230 | + return syscall(__NR_futex, g2h(uaddr), op, val, val2, g2h(uaddr2), val3); | ||
231 | +} | ||
232 | + | ||
233 | +int do_set_tid_address(target_ulong tidptr) | ||
234 | +{ | ||
235 | + return syscall(__NR_set_tid_address, g2h(tidptr)); | ||
236 | +} | ||
237 | + | ||
238 | long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, | ||
239 | long arg4, long arg5, long arg6) | ||
240 | { | ||
241 | @@ -2534,7 +2699,7 @@ | ||
242 | _mcleanup(); | ||
243 | #endif | ||
244 | gdb_exit(cpu_env, arg1); | ||
245 | - /* XXX: should free thread stack and CPU env */ | ||
246 | + /* XXX: should free thread stack, GDT and CPU env */ | ||
247 | _exit(arg1); | ||
248 | ret = 0; /* avoid warning */ | ||
249 | break; | ||
250 | @@ -4642,6 +4807,9 @@ | ||
251 | ((CPUMIPSState *) cpu_env)->tls_value = arg1; | ||
252 | ret = 0; | ||
253 | break; | ||
254 | +#elif TARGET_i386 | ||
255 | + ret = get_errno(do_set_thread_area(cpu_env, arg1)); | ||
256 | + break; | ||
257 | #else | ||
258 | goto unimplemented_nowarn; | ||
259 | #endif | ||
260 | @@ -4655,6 +4823,21 @@ | ||
261 | goto unimplemented_nowarn; | ||
262 | #endif | ||
263 | |||
264 | +#ifdef TARGET_NR_futex | ||
265 | + case TARGET_NR_futex: | ||
266 | + ret = get_errno(do_futex(arg1, arg2, arg3, arg4, arg5, arg6)); | ||
267 | + break; | ||
268 | +#endif | ||
269 | +#ifdef TARGET_NR_set_tid_address | ||
270 | + case TARGET_NR_set_tid_address: | ||
271 | + ret = get_errno(do_set_tid_address(arg1)); | ||
272 | + break; | ||
273 | +#endif | ||
274 | +#ifdef TARGET_NR_set_robust_list | ||
275 | + case TARGET_NR_set_robust_list: | ||
276 | + goto unimplemented_nowarn; | ||
277 | +#endif | ||
278 | + | ||
279 | #ifdef TARGET_NR_clock_gettime | ||
280 | case TARGET_NR_clock_gettime: | ||
281 | { | ||
282 | @@ -4678,12 +4861,6 @@ | ||
283 | } | ||
284 | #endif | ||
285 | |||
286 | -#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) | ||
287 | - case TARGET_NR_set_tid_address: | ||
288 | - ret = get_errno(set_tid_address((int *) arg1)); | ||
289 | - break; | ||
290 | -#endif | ||
291 | - | ||
292 | default: | ||
293 | unimplemented: | ||
294 | gemu_log("qemu: Unsupported syscall: %d\n", num); | ||