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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_TASK_SIZE_32_H
#define _ASM_POWERPC_TASK_SIZE_32_H
#include <linux/sizes.h>
#if CONFIG_TASK_SIZE > CONFIG_KERNEL_START
#error User TASK_SIZE overlaps with KERNEL_START address
#endif
#ifdef CONFIG_PPC_8xx
#define MODULES_END ASM_CONST(CONFIG_PAGE_OFFSET)
#define MODULES_SIZE (CONFIG_MODULES_SIZE * SZ_1M)
#define MODULES_VADDR (MODULES_END - MODULES_SIZE)
#define MODULES_BASE (MODULES_VADDR & ~(UL(SZ_4M) - 1))
#define USER_TOP (MODULES_BASE - SZ_4M)
#endif
#ifdef CONFIG_PPC_BOOK3S_32
#define MODULES_END (ASM_CONST(CONFIG_PAGE_OFFSET) & ~(UL(SZ_256M) - 1))
#define MODULES_SIZE (CONFIG_MODULES_SIZE * SZ_1M)
#define MODULES_VADDR (MODULES_END - MODULES_SIZE)
#define MODULES_BASE (MODULES_VADDR & ~(UL(SZ_256M) - 1))
#define USER_TOP (MODULES_BASE - SZ_4M)
#endif
#ifndef USER_TOP
#define USER_TOP ((ASM_CONST(CONFIG_PAGE_OFFSET) - SZ_128K) & ~(UL(SZ_128K) - 1))
#endif
#if CONFIG_TASK_SIZE < USER_TOP
#define TASK_SIZE ASM_CONST(CONFIG_TASK_SIZE)
#else
#define TASK_SIZE USER_TOP
#endif
/*
* This decides where the kernel will search for a free chunk of vm space during
* mmap's.
*/
#define TASK_UNMAPPED_BASE (TASK_SIZE / 8 * 3)
#define DEFAULT_MAP_WINDOW TASK_SIZE
#define STACK_TOP TASK_SIZE
#define STACK_TOP_MAX STACK_TOP
#endif /* _ASM_POWERPC_TASK_SIZE_32_H */
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