From: imp@bsdimp.com
To: qemu-devel@nongnu.org
Cc: kevans@freebsd.org,
Richard Henderson <richard.henderson@linaro.org>,
Warner Losh <imp@FreeBSD.org>, Warner Losh <imp@bsdimp.com>,
Stacey Son <sson@FreeBSD.org>
Subject: [PULL 24/42] bsd-user: Create target specific vmparam.h
Date: Tue, 7 Sep 2021 15:53:14 -0600 [thread overview]
Message-ID: <20210907215332.30737-25-imp@bsdimp.com> (raw)
In-Reply-To: <20210907215332.30737-1-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>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
bsd-user/freebsd/target_os_vmparam.h | 38 ++++++++++++++++++++++
bsd-user/i386/target_arch_vmparam.h | 46 +++++++++++++++++++++++++++
bsd-user/qemu.h | 1 +
bsd-user/x86_64/target_arch_vmparam.h | 46 +++++++++++++++++++++++++++
4 files changed, 131 insertions(+)
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..990300c619
--- /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..bb7718265b
--- /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 (128 * MiB) /* max text size */
+#define TARGET_DFLDSIZ (128 * MiB) /* initial data size limit */
+#define TARGET_MAXDSIZ (512 * MiB) /* max data size */
+#define TARGET_DFLSSIZ (8 * MiB) /* initial stack size limit */
+#define TARGET_MAXSSIZ (64 * MiB) /* max stack size */
+#define TARGET_SGROWSIZ (128 * KiB) /* 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 fea1a167e4..1b37757e06 100644
--- a/bsd-user/qemu.h
+++ b/bsd-user/qemu.h
@@ -41,6 +41,7 @@ extern enum BSDType bsd_type;
#include "target_arch.h"
#include "syscall_defs.h"
#include "target_syscall.h"
+#include "target_os_vmparam.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..81a915f2e5
--- /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 (128 * MiB) /* max text size */
+#define TARGET_DFLDSIZ (32 * GiB) /* initial data size limit */
+#define TARGET_MAXDSIZ (32 * GiB) /* max data size */
+#define TARGET_DFLSSIZ (8 * MiB) /* initial stack size limit */
+#define TARGET_MAXSSIZ (512 * MiB) /* max stack size */
+#define TARGET_SGROWSIZ (128 * KiB) /* 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
next prev parent reply other threads:[~2021-09-07 22:15 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-07 21:52 [PULL 00/42] bsd-user updates to run hello world imp
2021-09-07 21:52 ` [PULL 01/42] bsd-user: remove sparc and sparc64 imp
2021-09-07 21:52 ` [PULL 02/42] bsd-user: add copyright header to elfload.c imp
2021-09-07 21:52 ` [PULL 03/42] bsd-user: Add Stacey's copyright to main.c imp
2021-09-07 21:52 ` [PULL 04/42] bsd-user: add license to bsdload.c imp
2021-09-07 21:52 ` [PULL 05/42] bsd-user: style nits: bsdload.c whitespace to qemu standard imp
2021-09-07 21:52 ` [PULL 06/42] bsd-user: Remove all non-x86 code from elfload.c imp
2021-09-07 21:52 ` [PULL 07/42] bsd-user: move arch specific defines out of elfload.c imp
2021-09-07 21:52 ` [PULL 08/42] bsd-user: pass the bsd_param into loader_exec imp
2021-09-07 21:52 ` [PULL 09/42] bsd-user: Fix calculation of size to allocate imp
2021-09-07 21:53 ` [PULL 10/42] bsd-user: implement path searching imp
2021-09-07 21:53 ` [PULL 11/42] bsd-user: Eliminate elf personality imp
2021-09-07 21:53 ` [PULL 12/42] bsd-user: remove a.out support imp
2021-09-07 21:53 ` [PULL 13/42] bsd-user: TARGET_NGROUPS unused in this file, remove imp
2021-09-07 21:53 ` [PULL 14/42] bsd-user: elfload: simplify bswap a bit imp
2021-09-07 21:53 ` [PULL 15/42] bsd-user: assume pthreads and support of __thread imp
2021-09-07 21:53 ` [PULL 16/42] bsd-user: add host-os.h imp
2021-09-07 21:53 ` [PULL 17/42] bsd-user: Include host-os.h from main imp
2021-09-07 21:53 ` [PULL 18/42] bsd-user: save the path to the qemu emulator imp
2021-09-07 21:53 ` [PULL 19/42] bsd-user: start to move target CPU functions to target_arch* imp
2021-09-07 21:53 ` [PULL 20/42] bsd-user: Move per-cpu code into target_arch_cpu.h imp
2021-09-07 21:53 ` [PULL 21/42] bsd-user: pull in target_arch_thread.h update target_arch_elf.h imp
2021-09-07 21:53 ` [PULL 22/42] bsd-user: Include more things in qemu.h imp
2021-09-07 21:53 ` [PULL 23/42] bsd-user: define max args in terms of pages imp
2021-09-07 21:53 ` imp [this message]
2021-09-07 21:53 ` [PULL 25/42] bsd-user: Add system independent stack, data and text limiting imp
2021-09-07 21:53 ` [PULL 26/42] bsd-user: *BSD specific siginfo defintions imp
2021-09-07 21:53 ` [PULL 27/42] bsd-user: Implement --seed and initialize random state imp
2021-09-07 21:53 ` [PULL 28/42] bsd-user: Move stack initializtion into a per-os file imp
2021-09-07 21:53 ` [PULL 29/42] bsd-user: Add architecture specific signal tramp code imp
2021-09-07 21:53 ` [PULL 30/42] bsd-user: elf cleanup imp
2021-09-07 21:53 ` [PULL 31/42] bsd-user: Remove dead #ifdefs from elfload.c imp
2021-09-07 21:53 ` [PULL 32/42] bsd-user: Rewrite target system call definintion glue imp
2021-09-07 21:53 ` [PULL 33/42] bsd-user: update debugging in mmap.c imp
2021-09-07 21:53 ` [PULL 34/42] bsd-user: Add target_arch_reg to describe a target's register set imp
2021-09-07 21:53 ` [PULL 35/42] bsd-user: Add target_os_user.h to capture the user/kernel structures imp
2021-09-07 21:53 ` [PULL 36/42] bsd-user: add stubbed out core dump support imp
2021-09-07 21:53 ` [PULL 37/42] bsd-user: elfload.c style catch up patch imp
2021-09-07 21:53 ` [PULL 38/42] bsd-user: Refactor load_elf_sections and is_target_elf_binary imp
2021-09-07 21:53 ` [PULL 39/42] bsd-user: move gemu_log to later in the file imp
2021-09-07 21:53 ` [PULL 40/42] bsd-user: Implement interlock for atomic operations imp
2021-09-07 21:53 ` [PULL 41/42] bsd-user: Add '-0 argv0' option to bsd-user/main.c imp
2021-09-07 21:53 ` [PULL 42/42] bsd-user: Update mapping to handle reserved and starting conditions imp
2021-09-09 15:00 ` [PULL 00/42] bsd-user updates to run hello world Peter Maydell
2021-09-09 15:12 ` Warner Losh
2021-09-09 15:21 ` Daniel P. Berrangé
2021-09-09 16:31 ` Philippe Mathieu-Daudé
2021-09-10 20:35 ` Warner Losh
2021-09-09 16:29 ` Philippe Mathieu-Daudé
2021-09-10 20:31 ` Warner Losh
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