From: imp@bsdimp.com
To: qemu-devel@nongnu.org
Cc: Stacey Son <sson@FreeBSD.org>,
Richard Henderson <richard.henderson@linaro.org>,
Warner Losh <imp@FreeBSD.org>, Warner Losh <imp@bsdimp.com>
Subject: [PATCH v2 24/43] bsd-user: Create target specific vmparam.h
Date: Thu, 26 Aug 2021 15:11:42 -0600 [thread overview]
Message-ID: <20210826211201.98877-25-imp@bsdimp.com> (raw)
In-Reply-To: <20210826211201.98877-1-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:[~2021-08-26 21:35 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-26 21:11 [PATCH v2 00/43] bsd-user updates to run hello world imp
2021-08-26 21:11 ` [PATCH v2 01/43] bsd-user: remove sparc and sparc64 imp
2021-08-26 21:11 ` [PATCH v2 02/43] bsd-user: add copyright header to elfload.c imp
2021-08-26 21:11 ` [PATCH v2 03/43] bsd-user: Add Stacey's copyright to main.c imp
2021-08-26 21:11 ` [PATCH v2 04/43] bsd-user: add license to bsdload.c imp
2021-08-26 21:11 ` [PATCH v2 05/43] bsd-user: style nits: bsdload.c whitespace to qemu standard imp
2021-08-26 21:11 ` [PATCH v2 06/43] bsd-user: Remove all non-x86 code from elfload.c imp
2021-08-26 21:11 ` [PATCH v2 07/43] bsd-user: move arch specific defines out of elfload.c imp
2021-08-27 4:19 ` Philippe Mathieu-Daudé
2021-08-27 15:50 ` Warner Losh
2021-08-26 21:11 ` [PATCH v2 08/43] bsd-user: pass the bsd_param into loader_exec imp
2021-08-27 4:22 ` Philippe Mathieu-Daudé
2021-08-27 15:49 ` Warner Losh
2021-08-26 21:11 ` [PATCH v2 09/43] bsd-user: Fix calculation of size to allocate imp
2021-08-26 21:11 ` [PATCH v2 10/43] bsd-user: implement path searching imp
2021-08-26 21:11 ` [PATCH v2 11/43] bsd-user: Eliminate elf personality imp
2021-08-26 21:11 ` [PATCH v2 12/43] bsd-user: remove a.out support imp
2021-08-27 4:27 ` Philippe Mathieu-Daudé
2021-08-26 21:11 ` [PATCH v2 13/43] bsd-user: TARGET_NGROUPS unused in this file, remove imp
2021-08-26 21:11 ` [PATCH v2 14/43] bsd-user: elfload: simplify bswap a bit imp
2021-08-26 21:11 ` [PATCH v2 15/43] bsd-user: assume pthreads and support of __thread imp
2021-08-27 4:35 ` Philippe Mathieu-Daudé
2021-08-26 21:11 ` [PATCH v2 16/43] bsd-user: add host-os.h imp
2021-08-26 21:11 ` [PATCH v2 17/43] bsd-user: Include host-os.h from main imp
2021-08-26 21:11 ` [PATCH v2 18/43] bsd-user: save the path to the qemu emulator imp
2021-08-26 21:11 ` [PATCH v2 19/43] bsd-user: start to move target CPU functions to target_arch* imp
2021-08-27 4:39 ` Philippe Mathieu-Daudé
2021-08-27 15:41 ` Warner Losh
2021-08-26 21:11 ` [PATCH v2 20/43] bsd-user: Move per-cpu code into target_arch_cpu.h imp
2021-08-26 21:11 ` [PATCH v2 21/43] bsd-user: pull in target_arch_thread.h update target_arch_elf.h imp
2021-08-26 21:11 ` [PATCH v2 22/43] bsd-user: Include more things in qemu.h imp
2021-08-26 21:11 ` [PATCH v2 23/43] bsd-user: define max args in terms of pages imp
2021-08-26 21:11 ` imp [this message]
2021-08-26 21:11 ` [PATCH v2 25/43] bsd-user: Add architecture specific signal tramp code imp
2021-08-26 21:11 ` [PATCH v2 26/43] bsd-user: *BSD specific siginfo defintions imp
2021-08-26 21:11 ` [PATCH v2 27/43] bsd-user: Move stack initializtion into a per-os file imp
2021-08-26 21:11 ` [PATCH v2 28/43] bsd-user: Add system independent stack, data and text limiting imp
2021-08-26 21:11 ` [PATCH v2 29/43] bsd-user: elf cleanup imp
2021-08-26 21:11 ` [PATCH v2 30/43] bsd-user: Remove dead #ifdefs from elfload.c imp
2021-08-27 4:42 ` Philippe Mathieu-Daudé
2021-08-27 15:02 ` Warner Losh
2021-08-27 15:58 ` Philippe Mathieu-Daudé
2021-08-27 16:28 ` Warner Losh
2021-08-26 21:11 ` [PATCH v2 31/43] bsd-user: Rewrite target system call definintion glue imp
2021-08-26 21:11 ` [PATCH v2 32/43] bsd-user: Make cpu_model and cpu_type visible to all of main.c imp
2021-08-26 21:11 ` [PATCH v2 33/43] bsd-user: update debugging in mmap.c imp
2021-08-26 21:11 ` [PATCH v2 34/43] bsd-user: Add target_arch_reg to describe a target's register set imp
2021-08-26 21:11 ` [PATCH v2 35/43] bsd-user: Add target_os_user.h to capture the user/kernel structures imp
2021-08-26 21:11 ` [PATCH v2 36/43] bsd-user: add stubbed out core dump support imp
2021-08-26 21:11 ` [PATCH v2 37/43] bsd-user: elfload.c style catch up patch imp
2021-08-26 21:11 ` [PATCH v2 38/43] bsd-user: Refactor load_elf_sections and is_target_elf_binary imp
2021-08-27 21:23 ` Warner Losh
2021-08-26 21:11 ` [PATCH v2 39/43] bsd-user: move qemu_log to later in the file imp
2021-08-26 21:11 ` [PATCH v2 40/43] bsd-user: Implement interlock for atomic operations imp
2021-08-26 21:11 ` [PATCH v2 41/43] bsd-user: Implement cpu_copy() helper routine imp
2021-08-27 4:47 ` Philippe Mathieu-Daudé
2021-08-27 14:56 ` Warner Losh
2021-08-27 16:00 ` Philippe Mathieu-Daudé
2021-08-27 16:30 ` Warner Losh
2021-08-26 21:12 ` [PATCH v2 42/43] bsd-user: Add '-0 argv0' option to bsd-user/main.c imp
2021-08-27 4:48 ` Philippe Mathieu-Daudé
2021-08-27 14:52 ` Warner Losh
2021-08-26 21:12 ` [PATCH v2 43/43] bsd-user: Update mapping to handle reserved and starting conditions imp
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