83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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*/
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#ifndef LWP_ARCH_H__
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#define LWP_ARCH_H__
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#include <rthw.h>
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#include <lwp.h>
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#include <lwp_arch_comm.h>
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#ifdef ARCH_MM_MMU
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#ifdef ARCH_MM_MMU_32BIT_LIMIT
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#define USER_HEAP_VADDR 0xF0000000UL
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#define USER_HEAP_VEND 0xFE000000UL
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#define USER_STACK_VSTART 0xE0000000UL
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#define USER_STACK_VEND USER_HEAP_VADDR
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#define USER_VADDR_START 0xC0000000UL
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#define USER_VADDR_TOP 0xFF000000UL
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#define USER_LOAD_VADDR 0xD0000000UL
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#define LDSO_LOAD_VADDR USER_LOAD_VADDR
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#elif defined(ARCH_REMAP_KERNEL)
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#define USER_VADDR_START 0x00001000UL
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#define USER_VADDR_TOP 0x003ffffff000UL
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#define USER_STACK_VSTART 0x000270000000UL
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#define USER_STACK_VEND USER_HEAP_VADDR
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#define USER_HEAP_VADDR 0x000300000000UL
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#define USER_HEAP_VEND USER_VADDR_TOP
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#define USER_LOAD_VADDR 0x200000000
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#define LDSO_LOAD_VADDR 0x200000000
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#else
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#define USER_HEAP_VADDR 0x300000000UL
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#define USER_HEAP_VEND USER_STACK_VSTART
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#define USER_STACK_VSTART 0x370000000UL
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#define USER_STACK_VEND 0x400000000UL
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#define USER_VADDR_START 0x200000000UL
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#define USER_VADDR_TOP 0xfffffffffffff000UL
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#define USER_LOAD_VADDR 0x200000000UL
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#define LDSO_LOAD_VADDR 0x200000000UL
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#endif
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/* this attribution is cpu specified, and it should be defined in riscv_mmu.h */
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#ifndef MMU_MAP_U_RWCB
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#define MMU_MAP_U_RWCB 0
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#endif
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#ifndef MMU_MAP_U_RW
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#define MMU_MAP_U_RW 0
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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rt_inline unsigned long rt_hw_ffz(unsigned long x)
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{
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return __builtin_ffsl(~x) - 1;
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}
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rt_inline void icache_invalid_all(void)
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{
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rt_hw_cpu_icache_invalidate_all();
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}
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struct rt_hw_stack_frame;
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void *arch_signal_ucontext_restore(rt_base_t user_sp);
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void *arch_signal_ucontext_save(int signo, siginfo_t *psiginfo,
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struct rt_hw_stack_frame *exp_frame, rt_base_t user_sp,
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lwp_sigset_t *save_sig_mask);
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif /*LWP_ARCH_H__*/
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