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-rw-r--r--meta/packages/qemu/qemu-0.9.0+cvs20071121/qemu-0.9.0-nptl-update.patch219
1 files changed, 219 insertions, 0 deletions
diff --git a/meta/packages/qemu/qemu-0.9.0+cvs20071121/qemu-0.9.0-nptl-update.patch b/meta/packages/qemu/qemu-0.9.0+cvs20071121/qemu-0.9.0-nptl-update.patch
new file mode 100644
index 0000000000..ebc996e873
--- /dev/null
+++ b/meta/packages/qemu/qemu-0.9.0+cvs20071121/qemu-0.9.0-nptl-update.patch
@@ -0,0 +1,219 @@
1---
2 linux-user/main.c | 7 ++-
3 linux-user/syscall.c | 114 ++++++++++++++++++++++++++++++++++++++++++++++-----
4 2 files changed, 111 insertions(+), 10 deletions(-)
5
6Index: qemu/linux-user/main.c
7===================================================================
8--- qemu.orig/linux-user/main.c 2007-12-03 19:34:09.000000000 +0000
9+++ qemu/linux-user/main.c 2007-12-03 23:44:45.000000000 +0000
10@@ -391,7 +391,7 @@ do_kernel_trap(CPUARMState *env)
11 cpu_unlock();
12 break;
13 case 0xffff0fe0: /* __kernel_get_tls */
14- env->regs[0] = env->cp15.c13_tls;
15+ env->regs[0] = env->cp15.c13_tls2;
16 break;
17 default:
18 return 1;
19@@ -2037,6 +2037,11 @@ int main(int argc, char **argv)
20 int drop_ld_preload = 0, environ_count = 0;
21 char **target_environ, **wrk, **dst;
22
23+ char *assume_kernel = getenv("QEMU_ASSUME_KERNEL");
24+
25+ if (assume_kernel)
26+ setenv("LD_ASSUME_KERNEL", assume_kernel, 1);
27+
28 if (argc <= 1)
29 usage();
30
31Index: qemu/linux-user/syscall.c
32===================================================================
33--- qemu.orig/linux-user/syscall.c 2007-12-03 19:34:09.000000000 +0000
34+++ qemu/linux-user/syscall.c 2007-12-03 23:46:54.000000000 +0000
35@@ -61,6 +61,7 @@
36 #define tchars host_tchars /* same as target */
37 #define ltchars host_ltchars /* same as target */
38
39+#include <linux/futex.h>
40 #include <linux/termios.h>
41 #include <linux/unistd.h>
42 #include <linux/utsname.h>
43@@ -2694,7 +2695,6 @@ abi_long do_arch_prctl(CPUX86State *env,
44 return 0;
45 }
46 #endif
47-
48 #endif /* defined(TARGET_I386) */
49
50 /* this stack is the equivalent of the kernel stack associated with a
51@@ -2729,16 +2729,19 @@ int do_fork(CPUState *env, unsigned int
52 TaskState *ts;
53 uint8_t *new_stack;
54 CPUState *new_env;
55-
56+#if defined(TARGET_I386)
57+ uint64_t *new_gdt_table;
58+#endif
59 #ifdef USE_NPTL
60 unsigned int nptl_flags;
61
62 if (flags & CLONE_PARENT_SETTID)
63 *parent_tidptr = gettid();
64 #endif
65-
66 if (flags & CLONE_VM) {
67 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
68+ if (!ts)
69+ return -ENOMEM;
70 memset(ts, 0, sizeof(TaskState));
71 new_stack = ts->stack;
72 ts->used = 1;
73@@ -2750,6 +2753,29 @@ int do_fork(CPUState *env, unsigned int
74 #if defined(TARGET_I386)
75 if (!newsp)
76 newsp = env->regs[R_ESP];
77+ new_gdt_table = malloc(9 * 8);
78+ if (!new_gdt_table) {
79+ free(new_env);
80+ return -ENOMEM;
81+ }
82+ /* Copy main GDT table from parent, but clear TLS entries */
83+ memcpy(new_gdt_table, g2h(env->gdt.base), 6 * 8);
84+ memset(&new_gdt_table[6], 0, 3 * 8);
85+ new_env->gdt.base = h2g(new_gdt_table);
86+ if (flags & 0x00080000 /* CLONE_SETTLS */) {
87+ ret = do_set_thread_area(new_env, new_env->regs[R_ESI]);
88+ if (ret) {
89+ free(new_gdt_table);
90+ free(new_env);
91+ return ret;
92+ }
93+ }
94+ cpu_x86_load_seg(env, R_CS, new_env->regs[R_CS]);
95+ cpu_x86_load_seg(env, R_DS, new_env->regs[R_DS]);
96+ cpu_x86_load_seg(env, R_ES, new_env->regs[R_ES]);
97+ cpu_x86_load_seg(env, R_SS, new_env->regs[R_SS]);
98+ cpu_x86_load_seg(env, R_FS, new_env->regs[R_FS]);
99+ cpu_x86_load_seg(env, R_GS, new_env->regs[R_GS]);
100 new_env->regs[R_ESP] = newsp;
101 new_env->regs[R_EAX] = 0;
102 #elif defined(TARGET_ARM)
103@@ -3121,6 +3147,68 @@ static inline abi_long host_to_target_ti
104 unlock_user_struct(target_ts, target_addr, 1);
105 }
106
107+static long do_futex(target_ulong uaddr, int op, uint32_t val,
108+ target_ulong utime, target_ulong uaddr2,
109+ uint32_t val3)
110+{
111+ struct timespec host_utime;
112+ unsigned long val2 = utime;
113+
114+ if (utime && (op == FUTEX_WAIT || op == FUTEX_LOCK_PI)) {
115+ target_to_host_timespec(&host_utime, utime);
116+ val2 = (unsigned long)&host_utime;
117+ }
118+
119+#ifdef BSWAP_NEEDED
120+ switch(op) {
121+ case FUTEX_CMP_REQUEUE:
122+ val3 = tswap32(val3);
123+ case FUTEX_REQUEUE:
124+ val2 = tswap32(val2);
125+ case FUTEX_WAIT:
126+ case FUTEX_WAKE:
127+ val = tswap32(val);
128+ case FUTEX_LOCK_PI: /* This one's icky, but comes out OK */
129+ case FUTEX_UNLOCK_PI:
130+ break;
131+ default:
132+ gemu_log("qemu: Unsupported futex op %d\n", op);
133+ return -ENOSYS;
134+ }
135+#if 0 /* No, it's worse than this */
136+ if (op == FUTEX_WAKE_OP) {
137+ /* Need to munge the secondary operation (val3) */
138+ val3 = tswap32(val3);
139+ int op2 = (val3 >> 28) & 7;
140+ int cmp = (val3 >> 24) & 15;
141+ int oparg = (val3 << 8) >> 20;
142+ int cmparg = (val3 << 20) >> 20;
143+ int shift = val3 & (FUTEX_OP_OPARG_SHIFT << 28);
144+
145+ if (shift)
146+ oparg = (oparg & 7) + 24 - (oparg & 24);
147+ else oparg =
148+ if (op2 == FUTEX_OP_ADD) {
149+ gemu_log("qemu: Unsupported wrong-endian FUTEX_OP_ADD\n");
150+ return -ENOSYS;
151+ }
152+ if (cmparg == FUTEX_OP_CMP_LT || cmparg == FUTEX_OP_CMP_GE ||
153+ cmparg == FUTEX_OP_CMP_LE || cmparg == FUTEX_OP_CMP_GT) {
154+ gemu_log("qemu: Unsupported wrong-endian futex cmparg %d\n", cmparg);
155+ return -ENOSYS;
156+ }
157+ val3 = shift | (op2<<28) | (cmp<<24) | (oparg<<12) | cmparg;
158+ }
159+#endif
160+#endif
161+ return syscall(__NR_futex, g2h(uaddr), op, val, val2, g2h(uaddr2), val3);
162+}
163+
164+int do_set_tid_address(target_ulong tidptr)
165+{
166+ return syscall(__NR_set_tid_address, g2h(tidptr));
167+}
168+
169 /* do_syscall() should always have a single exit point at the end so
170 that actions, such as logging of syscall results, can be performed.
171 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
172@@ -3145,7 +3233,7 @@ abi_long do_syscall(void *cpu_env, int n
173 _mcleanup();
174 #endif
175 gdb_exit(cpu_env, arg1);
176- /* XXX: should free thread stack and CPU env */
177+ /* XXX: should free thread stack, GDT and CPU env */
178 _exit(arg1);
179 ret = 0; /* avoid warning */
180 break;
181@@ -5569,6 +5657,9 @@ abi_long do_syscall(void *cpu_env, int n
182 #elif defined(TARGET_I386) && defined(TARGET_ABI32)
183 ret = do_set_thread_area(cpu_env, arg1);
184 break;
185+#elif TARGET_i386
186+ ret = get_errno(do_set_thread_area(cpu_env, arg1));
187+ break;
188 #else
189 goto unimplemented_nowarn;
190 #endif
191@@ -5586,6 +5677,16 @@ abi_long do_syscall(void *cpu_env, int n
192 goto unimplemented_nowarn;
193 #endif
194
195+#ifdef TARGET_NR_futex
196+ case TARGET_NR_futex:
197+ ret = get_errno(do_futex(arg1, arg2, arg3, arg4, arg5, arg6));
198+ break;
199+#endif
200+#ifdef TARGET_NR_set_robust_list
201+ case TARGET_NR_set_robust_list:
202+ goto unimplemented_nowarn;
203+#endif
204+
205 #ifdef TARGET_NR_clock_gettime
206 case TARGET_NR_clock_gettime:
207 {
208@@ -5627,11 +5728,6 @@ abi_long do_syscall(void *cpu_env, int n
209 break;
210 #endif
211
212-#ifdef TARGET_NR_set_robust_list
213- case TARGET_NR_set_robust_list:
214- goto unimplemented_nowarn;
215-#endif
216-
217 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
218 case TARGET_NR_utimensat:
219 {
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-05-26 02:02:51 +0000