primitive vm86 support
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@57 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/linux-user/qemu.h b/linux-user/qemu.h
index d4d93a4..54b38e7 100644
--- a/linux-user/qemu.h
+++ b/linux-user/qemu.h
@@ -33,6 +33,33 @@
int personality;
};
+/* Information about the current linux thread */
+struct vm86_saved_state {
+ uint32_t eax; /* return code */
+ uint32_t ebx;
+ uint32_t ecx;
+ uint32_t edx;
+ uint32_t esi;
+ uint32_t edi;
+ uint32_t ebp;
+ uint32_t esp;
+ uint32_t eflags;
+ uint32_t eip;
+ uint16_t cs, ss, ds, es, fs, gs;
+};
+
+/* NOTE: we force a big alignment so that the stack stored after is
+ aligned too */
+typedef struct TaskState {
+ struct TaskState *next;
+ struct target_vm86plus_struct *target_v86;
+ struct vm86_saved_state vm86_saved_regs;
+ int used; /* non zero if used */
+ uint8_t stack[0];
+} __attribute__((aligned(16))) TaskState;
+
+extern TaskState *first_task_state;
+
int elf_exec(const char *interp_prefix,
const char * filename, char ** argv, char ** envp,
struct target_pt_regs * regs, struct image_info *infop);