BSD user: initial support for i386 and x86_64 targets

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7084 c046a42c-6fe2-441c-8c8c-71466251a162

2 files changed, 117 insertions, 0 deletions

diff --git a/bsd-user/x86_64/syscall.h b/bsd-user/x86_64/syscall.h
new file mode 100644
index 0000000000..2a8d696bf2
--- /dev/null
+++ b/bsd-user/x86_64/syscall.h
@@ -0,0 +1,98 @@
+#define __USER_CS	(0x33)
+#define __USER_DS	(0x2B)
+
+struct target_pt_regs {
+	abi_ulong r15;
+	abi_ulong r14;
+	abi_ulong r13;
+	abi_ulong r12;
+	abi_ulong rbp;
+	abi_ulong rbx;
+/* arguments: non interrupts/non tracing syscalls only save upto here*/
+ 	abi_ulong r11;
+	abi_ulong r10;
+	abi_ulong r9;
+	abi_ulong r8;
+	abi_ulong rax;
+	abi_ulong rcx;
+	abi_ulong rdx;
+	abi_ulong rsi;
+	abi_ulong rdi;
+	abi_ulong orig_rax;
+/* end of arguments */
+/* cpu exception frame or undefined */
+	abi_ulong rip;
+	abi_ulong cs;
+	abi_ulong eflags;
+	abi_ulong rsp;
+	abi_ulong ss;
+/* top of stack page */
+};
+
+/* Maximum number of LDT entries supported. */
+#define TARGET_LDT_ENTRIES	8192
+/* The size of each LDT entry. */
+#define TARGET_LDT_ENTRY_SIZE	8
+
+#define TARGET_GDT_ENTRIES 16
+#define TARGET_GDT_ENTRY_TLS_ENTRIES 3
+#define TARGET_GDT_ENTRY_TLS_MIN 12
+#define TARGET_GDT_ENTRY_TLS_MAX 14
+
+#if 0 // Redefine this
+struct target_modify_ldt_ldt_s {
+	unsigned int  entry_number;
+        abi_ulong     base_addr;
+	unsigned int  limit;
+	unsigned int  seg_32bit:1;
+	unsigned int  contents:2;
+	unsigned int  read_exec_only:1;
+	unsigned int  limit_in_pages:1;
+	unsigned int  seg_not_present:1;
+	unsigned int  useable:1;
+	unsigned int  lm:1;
+};
+#else
+struct target_modify_ldt_ldt_s {
+	unsigned int  entry_number;
+        abi_ulong     base_addr;
+	unsigned int  limit;
+        unsigned int flags;
+};
+#endif
+
+struct target_ipc64_perm
+{
+	int		key;
+	uint32_t	uid;
+	uint32_t	gid;
+	uint32_t	cuid;
+	uint32_t	cgid;
+	unsigned short		mode;
+	unsigned short		__pad1;
+	unsigned short		seq;
+	unsigned short		__pad2;
+	abi_ulong		__unused1;
+	abi_ulong		__unused2;
+};
+
+struct target_msqid64_ds {
+	struct target_ipc64_perm msg_perm;
+	unsigned int msg_stime;	/* last msgsnd time */
+	unsigned int msg_rtime;	/* last msgrcv time */
+	unsigned int msg_ctime;	/* last change time */
+	abi_ulong  msg_cbytes;	/* current number of bytes on queue */
+	abi_ulong  msg_qnum;	/* number of messages in queue */
+	abi_ulong  msg_qbytes;	/* max number of bytes on queue */
+	unsigned int msg_lspid;	/* pid of last msgsnd */
+	unsigned int msg_lrpid;	/* last receive pid */
+	abi_ulong  __unused4;
+	abi_ulong  __unused5;
+};
+
+#define UNAME_MACHINE "x86_64"
+
+#define TARGET_ARCH_SET_GS 0x1001
+#define TARGET_ARCH_SET_FS 0x1002
+#define TARGET_ARCH_GET_FS 0x1003
+#define TARGET_ARCH_GET_GS 0x1004
diff --git a/bsd-user/x86_64/target_signal.h b/bsd-user/x86_64/target_signal.h
new file mode 100644
index 0000000000..659cd401b8
--- /dev/null
+++ b/bsd-user/x86_64/target_signal.h
@@ -0,0 +1,19 @@
+#ifndef TARGET_SIGNAL_H
+#define TARGET_SIGNAL_H
+
+#include "cpu.h"
+
+/* this struct defines a stack used during syscall handling */
+
+typedef struct target_sigaltstack {
+	abi_ulong ss_sp;
+	abi_long ss_flags;
+	abi_ulong ss_size;
+} target_stack_t;
+
+static inline abi_ulong get_sp_from_cpustate(CPUX86State *state)
+{
+    return state->regs[R_ESP];
+}
+
+#endif /* TARGET_SIGNAL_H */