[PATCH for 6.2 26/49] bsd-user: Create target specific vmparam.h

[Warner Losh <imp@bsdimp.com>]

From: Warner Losh <imp@FreeBSD.org>

Target specific values for vm parameters and details.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
---
 bsd-user/freebsd/target_os_vmparam.h  | 38 ++++++++++++++++++++++
 bsd-user/i386/target_arch_vmparam.h   | 46 +++++++++++++++++++++++++++
 bsd-user/qemu.h                       |  2 +-
 bsd-user/x86_64/target_arch_vmparam.h | 46 +++++++++++++++++++++++++++
 4 files changed, 131 insertions(+), 1 deletion(-)
 create mode 100644 bsd-user/freebsd/target_os_vmparam.h
 create mode 100644 bsd-user/i386/target_arch_vmparam.h
 create mode 100644 bsd-user/x86_64/target_arch_vmparam.h

diff --git a/bsd-user/freebsd/target_os_vmparam.h b/bsd-user/freebsd/target_os_vmparam.h
new file mode 100644
index 0000000000..d7ad149137
--- /dev/null
+++ b/bsd-user/freebsd/target_os_vmparam.h
@@ -0,0 +1,38 @@
+/*
+ *  FreeBSD VM parameters definitions
+ *
+ *  Copyright (c) 2013 Stacey D. Son
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _TARGET_OS_VMPARAM_H_
+#define _TARGET_OS_VMPARAM_H_
+
+#include "target_arch_vmparam.h"
+
+/* Compare to sys/exec.h */
+struct target_ps_strings {
+    abi_ulong ps_argvstr;
+    uint32_t ps_nargvstr;
+    abi_ulong ps_envstr;
+    uint32_t ps_nenvstr;
+};
+
+extern abi_ulong target_stkbas;
+extern abi_ulong target_stksiz;
+
+#define TARGET_PS_STRINGS  ((target_stkbas + target_stksiz) - \
+		sizeof(struct target_ps_strings))
+
+#endif /* !TARGET_OS_VMPARAM_H_ */
diff --git a/bsd-user/i386/target_arch_vmparam.h b/bsd-user/i386/target_arch_vmparam.h
new file mode 100644
index 0000000000..c42ec87d54
--- /dev/null
+++ b/bsd-user/i386/target_arch_vmparam.h
@@ -0,0 +1,46 @@
+/*
+ *  i386 VM parameters definitions
+ *
+ *  Copyright (c) 2013 Stacey D. Son
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _TARGET_ARCH_VMPARAM_H_
+#define _TARGET_ARCH_VMPARAM_H_
+
+#include "cpu.h"
+
+/* compare to i386/include/vmparam.h */
+#define TARGET_MAXTSIZ  (128UL*1024*1024)   /* max text size */
+#define TARGET_DFLDSIZ  (128UL*1024*1024)   /* initial data size limit */
+#define TARGET_MAXDSIZ  (512UL*1024*1024)   /* max data size */
+#define TARGET_DFLSSIZ  (8UL*1024*1024)     /* initial stack size limit */
+#define TARGET_MAXSSIZ  (64UL*1024*1024)    /* max stack size */
+#define TARGET_SGROWSIZ (128UL*1024)        /* amount to grow stack */
+
+#define TARGET_RESERVED_VA 0xf7000000
+
+#define TARGET_USRSTACK (0xbfc00000)
+
+static inline abi_ulong get_sp_from_cpustate(CPUX86State *state)
+{
+    return state->regs[R_ESP];
+}
+
+static inline void set_second_rval(CPUX86State *state, abi_ulong retval2)
+{
+    state->regs[R_EDX] = retval2;
+}
+
+#endif /* !_TARGET_ARCH_VMPARAM_H_ */
diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h
index 9322187891..c5414c7b4c 100644
--- a/bsd-user/qemu.h
+++ b/bsd-user/qemu.h
@@ -44,7 +44,7 @@ extern enum BSDType bsd_type;
 #include "target_arch.h"
 #include "syscall_defs.h"
 #include "target_syscall.h"
-//#include "target_os_vmparam.h"
+#include "target_os_vmparam.h"
 //#include "target_os_signal.h"
 //#include "hostdep.h"
 #include "exec/gdbstub.h"
diff --git a/bsd-user/x86_64/target_arch_vmparam.h b/bsd-user/x86_64/target_arch_vmparam.h
new file mode 100644
index 0000000000..addb68fa94
--- /dev/null
+++ b/bsd-user/x86_64/target_arch_vmparam.h
@@ -0,0 +1,46 @@
+/*
+ *  Intel x86_64 VM parameters definitions
+ *
+ *  Copyright (c) 2013 Stacey D. Son
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _TARGET_ARCH_VMPARAM_H_
+#define _TARGET_ARCH_VMPARAM_H_
+
+#include "cpu.h"
+
+/* compare to amd64/include/vmparam.h */
+#define TARGET_MAXTSIZ  (128UL*1024*1024)   /* max text size */
+#define TARGET_DFLDSIZ  (32768UL*1024*1024) /* initial data size limit */
+#define TARGET_MAXDSIZ  (32768UL*1024*1024) /* max data size */
+#define TARGET_DFLSSIZ  (8UL*1024*1024)     /* initial stack size limit */
+#define TARGET_MAXSSIZ  (512UL*1024*1024)   /* max stack size */
+#define TARGET_SGROWSIZ (128UL*1024)        /* amount to grow stack */
+
+#define TARGET_VM_MAXUSER_ADDRESS   (0x00007fffff000000UL)
+
+#define TARGET_USRSTACK (TARGET_VM_MAXUSER_ADDRESS - TARGET_PAGE_SIZE)
+
+static inline abi_ulong get_sp_from_cpustate(CPUX86State *state)
+{
+    return state->regs[R_ESP];
+}
+
+static inline void set_second_rval(CPUX86State *state, abi_ulong retval2)
+{
+    state->regs[R_EDX] = retval2;
+}
+
+#endif /* !_TARGET_ARCH_VMPARAM_H_ */
-- 
2.32.0