summaryrefslogtreecommitdiff
path: root/recipes/qemu/qemu-0.9.1/qemu-0.9.0-nptl-update.patch
diff options
context:
space:
mode:
Diffstat (limited to 'recipes/qemu/qemu-0.9.1/qemu-0.9.0-nptl-update.patch')
-rw-r--r--recipes/qemu/qemu-0.9.1/qemu-0.9.0-nptl-update.patch219
1 files changed, 0 insertions, 219 deletions
diff --git a/recipes/qemu/qemu-0.9.1/qemu-0.9.0-nptl-update.patch b/recipes/qemu/qemu-0.9.1/qemu-0.9.0-nptl-update.patch
deleted file mode 100644
index ebc996e873..0000000000
--- a/recipes/qemu/qemu-0.9.1/qemu-0.9.0-nptl-update.patch
+++ /dev/null
@@ -1,219 +0,0 @@
----
- linux-user/main.c | 7 ++-
- linux-user/syscall.c | 114 ++++++++++++++++++++++++++++++++++++++++++++++-----
- 2 files changed, 111 insertions(+), 10 deletions(-)
-
-Index: qemu/linux-user/main.c
-===================================================================
---- qemu.orig/linux-user/main.c 2007-12-03 19:34:09.000000000 +0000
-+++ qemu/linux-user/main.c 2007-12-03 23:44:45.000000000 +0000
-@@ -391,7 +391,7 @@ do_kernel_trap(CPUARMState *env)
- cpu_unlock();
- break;
- case 0xffff0fe0: /* __kernel_get_tls */
-- env->regs[0] = env->cp15.c13_tls;
-+ env->regs[0] = env->cp15.c13_tls2;
- break;
- default:
- return 1;
-@@ -2037,6 +2037,11 @@ int main(int argc, char **argv)
- int drop_ld_preload = 0, environ_count = 0;
- char **target_environ, **wrk, **dst;
-
-+ char *assume_kernel = getenv("QEMU_ASSUME_KERNEL");
-+
-+ if (assume_kernel)
-+ setenv("LD_ASSUME_KERNEL", assume_kernel, 1);
-+
- if (argc <= 1)
- usage();
-
-Index: qemu/linux-user/syscall.c
-===================================================================
---- qemu.orig/linux-user/syscall.c 2007-12-03 19:34:09.000000000 +0000
-+++ qemu/linux-user/syscall.c 2007-12-03 23:46:54.000000000 +0000
-@@ -61,6 +61,7 @@
- #define tchars host_tchars /* same as target */
- #define ltchars host_ltchars /* same as target */
-
-+#include <linux/futex.h>
- #include <linux/termios.h>
- #include <linux/unistd.h>
- #include <linux/utsname.h>
-@@ -2694,7 +2695,6 @@ abi_long do_arch_prctl(CPUX86State *env,
- return 0;
- }
- #endif
--
- #endif /* defined(TARGET_I386) */
-
- /* this stack is the equivalent of the kernel stack associated with a
-@@ -2729,16 +2729,19 @@ int do_fork(CPUState *env, unsigned int
- TaskState *ts;
- uint8_t *new_stack;
- CPUState *new_env;
--
-+#if defined(TARGET_I386)
-+ uint64_t *new_gdt_table;
-+#endif
- #ifdef USE_NPTL
- unsigned int nptl_flags;
-
- if (flags & CLONE_PARENT_SETTID)
- *parent_tidptr = gettid();
- #endif
--
- if (flags & CLONE_VM) {
- ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
-+ if (!ts)
-+ return -ENOMEM;
- memset(ts, 0, sizeof(TaskState));
- new_stack = ts->stack;
- ts->used = 1;
-@@ -2750,6 +2753,29 @@ int do_fork(CPUState *env, unsigned int
- #if defined(TARGET_I386)
- if (!newsp)
- newsp = env->regs[R_ESP];
-+ new_gdt_table = malloc(9 * 8);
-+ if (!new_gdt_table) {
-+ free(new_env);
-+ return -ENOMEM;
-+ }
-+ /* Copy main GDT table from parent, but clear TLS entries */
-+ memcpy(new_gdt_table, g2h(env->gdt.base), 6 * 8);
-+ memset(&new_gdt_table[6], 0, 3 * 8);
-+ new_env->gdt.base = h2g(new_gdt_table);
-+ if (flags & 0x00080000 /* CLONE_SETTLS */) {
-+ ret = do_set_thread_area(new_env, new_env->regs[R_ESI]);
-+ if (ret) {
-+ free(new_gdt_table);
-+ free(new_env);
-+ return ret;
-+ }
-+ }
-+ cpu_x86_load_seg(env, R_CS, new_env->regs[R_CS]);
-+ cpu_x86_load_seg(env, R_DS, new_env->regs[R_DS]);
-+ cpu_x86_load_seg(env, R_ES, new_env->regs[R_ES]);
-+ cpu_x86_load_seg(env, R_SS, new_env->regs[R_SS]);
-+ cpu_x86_load_seg(env, R_FS, new_env->regs[R_FS]);
-+ cpu_x86_load_seg(env, R_GS, new_env->regs[R_GS]);
- new_env->regs[R_ESP] = newsp;
- new_env->regs[R_EAX] = 0;
- #elif defined(TARGET_ARM)
-@@ -3121,6 +3147,68 @@ static inline abi_long host_to_target_ti
- unlock_user_struct(target_ts, target_addr, 1);
- }
-
-+static long do_futex(target_ulong uaddr, int op, uint32_t val,
-+ target_ulong utime, target_ulong uaddr2,
-+ uint32_t val3)
-+{
-+ struct timespec host_utime;
-+ unsigned long val2 = utime;
-+
-+ if (utime && (op == FUTEX_WAIT || op == FUTEX_LOCK_PI)) {
-+ target_to_host_timespec(&host_utime, utime);
-+ val2 = (unsigned long)&host_utime;
-+ }
-+
-+#ifdef BSWAP_NEEDED
-+ switch(op) {
-+ case FUTEX_CMP_REQUEUE:
-+ val3 = tswap32(val3);
-+ case FUTEX_REQUEUE:
-+ val2 = tswap32(val2);
-+ case FUTEX_WAIT:
-+ case FUTEX_WAKE:
-+ val = tswap32(val);
-+ case FUTEX_LOCK_PI: /* This one's icky, but comes out OK */
-+ case FUTEX_UNLOCK_PI:
-+ break;
-+ default:
-+ gemu_log("qemu: Unsupported futex op %d\n", op);
-+ return -ENOSYS;
-+ }
-+#if 0 /* No, it's worse than this */
-+ if (op == FUTEX_WAKE_OP) {
-+ /* Need to munge the secondary operation (val3) */
-+ val3 = tswap32(val3);
-+ int op2 = (val3 >> 28) & 7;
-+ int cmp = (val3 >> 24) & 15;
-+ int oparg = (val3 << 8) >> 20;
-+ int cmparg = (val3 << 20) >> 20;
-+ int shift = val3 & (FUTEX_OP_OPARG_SHIFT << 28);
-+
-+ if (shift)
-+ oparg = (oparg & 7) + 24 - (oparg & 24);
-+ else oparg =
-+ if (op2 == FUTEX_OP_ADD) {
-+ gemu_log("qemu: Unsupported wrong-endian FUTEX_OP_ADD\n");
-+ return -ENOSYS;
-+ }
-+ if (cmparg == FUTEX_OP_CMP_LT || cmparg == FUTEX_OP_CMP_GE ||
-+ cmparg == FUTEX_OP_CMP_LE || cmparg == FUTEX_OP_CMP_GT) {
-+ gemu_log("qemu: Unsupported wrong-endian futex cmparg %d\n", cmparg);
-+ return -ENOSYS;
-+ }
-+ val3 = shift | (op2<<28) | (cmp<<24) | (oparg<<12) | cmparg;
-+ }
-+#endif
-+#endif
-+ return syscall(__NR_futex, g2h(uaddr), op, val, val2, g2h(uaddr2), val3);
-+}
-+
-+int do_set_tid_address(target_ulong tidptr)
-+{
-+ return syscall(__NR_set_tid_address, g2h(tidptr));
-+}
-+
- /* do_syscall() should always have a single exit point at the end so
- that actions, such as logging of syscall results, can be performed.
- All errnos that do_syscall() returns must be -TARGET_<errcode>. */
-@@ -3145,7 +3233,7 @@ abi_long do_syscall(void *cpu_env, int n
- _mcleanup();
- #endif
- gdb_exit(cpu_env, arg1);
-- /* XXX: should free thread stack and CPU env */
-+ /* XXX: should free thread stack, GDT and CPU env */
- _exit(arg1);
- ret = 0; /* avoid warning */
- break;
-@@ -5569,6 +5657,9 @@ abi_long do_syscall(void *cpu_env, int n
- #elif defined(TARGET_I386) && defined(TARGET_ABI32)
- ret = do_set_thread_area(cpu_env, arg1);
- break;
-+#elif TARGET_i386
-+ ret = get_errno(do_set_thread_area(cpu_env, arg1));
-+ break;
- #else
- goto unimplemented_nowarn;
- #endif
-@@ -5586,6 +5677,16 @@ abi_long do_syscall(void *cpu_env, int n
- goto unimplemented_nowarn;
- #endif
-
-+#ifdef TARGET_NR_futex
-+ case TARGET_NR_futex:
-+ ret = get_errno(do_futex(arg1, arg2, arg3, arg4, arg5, arg6));
-+ break;
-+#endif
-+#ifdef TARGET_NR_set_robust_list
-+ case TARGET_NR_set_robust_list:
-+ goto unimplemented_nowarn;
-+#endif
-+
- #ifdef TARGET_NR_clock_gettime
- case TARGET_NR_clock_gettime:
- {
-@@ -5627,11 +5728,6 @@ abi_long do_syscall(void *cpu_env, int n
- break;
- #endif
-
--#ifdef TARGET_NR_set_robust_list
-- case TARGET_NR_set_robust_list:
-- goto unimplemented_nowarn;
--#endif
--
- #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
- case TARGET_NR_utimensat:
- {
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 08:59:05 +0000