[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v5 23/37] bsd-user/arm/target_arch_vmparam.h: Parameters for arm
From: |
Warner Losh |
Subject: |
[PATCH v5 23/37] bsd-user/arm/target_arch_vmparam.h: Parameters for arm address space |
Date: |
Sun, 7 Nov 2021 20:51:22 -0700 |
Various parameters describing the layout of the ARM address space. In
addition, define routines to get the stack pointer and to set the second
return value.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
bsd-user/arm/target_arch_vmparam.h | 48 ++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
create mode 100644 bsd-user/arm/target_arch_vmparam.h
diff --git a/bsd-user/arm/target_arch_vmparam.h
b/bsd-user/arm/target_arch_vmparam.h
new file mode 100644
index 0000000000..4bbc04ddf5
--- /dev/null
+++ b/bsd-user/arm/target_arch_vmparam.h
@@ -0,0 +1,48 @@
+/*
+ * arm 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 sys/arm/include/vmparam.h */
+#define TARGET_MAXTSIZ (64 * MiB) /* max text size */
+#define TARGET_DFLDSIZ (128 * MiB) /* initial data size limit */
+#define TARGET_MAXDSIZ (512 * MiB) /* max data size */
+#define TARGET_DFLSSIZ (4 * 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
+
+ /* KERNBASE - 512 MB */
+#define TARGET_VM_MAXUSER_ADDRESS (0xc0000000 - (512 * MiB))
+#define TARGET_USRSTACK TARGET_VM_MAXUSER_ADDRESS
+
+static inline abi_ulong get_sp_from_cpustate(CPUARMState *state)
+{
+ return state->regs[13]; /* sp */
+}
+
+static inline void set_second_rval(CPUARMState *state, abi_ulong retval2)
+{
+ state->regs[1] = retval2;
+}
+
+#endif /* ! _TARGET_ARCH_VMPARAM_H_ */
--
2.33.0
- [PATCH v5 36/37] bsd-user/freebsd/target_os_ucontext.h: Require TARGET_*CONTEXT_SIZE, (continued)
- [PATCH v5 36/37] bsd-user/freebsd/target_os_ucontext.h: Require TARGET_*CONTEXT_SIZE, Warner Losh, 2021/11/07
- [PATCH v5 29/37] bsd-user/arm/target_arch_signal.h: arm specific signal registers and stack, Warner Losh, 2021/11/07
- [PATCH v5 32/37] bsd-user/arm/signal.c: arm set_sigtramp_args, Warner Losh, 2021/11/07
- [PATCH v5 21/37] bsd-user/arm/target_arch_cpu.h: Implement system call dispatch, Warner Losh, 2021/11/07
- [PATCH v5 22/37] bsd-user/arm/target_arch_reg.h: Implement core dump register copying, Warner Losh, 2021/11/07
- [PATCH v5 18/37] bsd-user/arm/target_arch_cpu.h: Dummy target_cpu_loop implementation, Warner Losh, 2021/11/07
- [PATCH v5 31/37] bsd-user/arm/target_arch_signal.h: Define size of *context_t, Warner Losh, 2021/11/07
- [PATCH v5 37/37] bsd-user: add arm target build, Warner Losh, 2021/11/07
- [PATCH v5 20/37] bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions, Warner Losh, 2021/11/07
- [PATCH v5 09/37] bsd-user/x86_64/target_arch_signal.h: use new target_os_ucontext.h, Warner Losh, 2021/11/07
- [PATCH v5 23/37] bsd-user/arm/target_arch_vmparam.h: Parameters for arm address space,
Warner Losh <=