dacfdf3ba4
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>
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/*
|
|
* 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_ */
|