ecf2d82159
* Synchronize the code of the rt mart branch to the master branch.
* TTY device
* Add lwP code from rt-smart
* Add vnode in DFS, but DFS will be re-write for rt-smart
* There are three libcpu for rt-smart:
* arm/cortex-a, arm/aarch64
* riscv64
Co-authored-by: Rbb666 <zhangbingru@rt-thread.com>
Co-authored-by: zhkag <zhkag@foxmail.com>
50 lines
1.0 KiB
C
50 lines
1.0 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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* 2021-07-18 JasonHu first version
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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 <lwp.h>
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#include <lwp_arch_comm.h>
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#include <stackframe.h>
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#ifdef RT_USING_USERSPACE
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#define USER_VADDR_TOP 0xFFFFF000UL
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#define USER_HEAP_VEND 0xE0000000UL
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#define USER_HEAP_VADDR 0x90000000UL
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#define USER_STACK_VSTART 0x80000000UL
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#define USER_STACK_VEND USER_HEAP_VADDR
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#define LDSO_LOAD_VADDR 0x70000000UL
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#define USER_VADDR_START 0x40000000UL
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#define USER_LOAD_VADDR USER_VADDR_START
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#define SIGNAL_RETURN_SYSCAL_ID 0xe000
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#ifdef __cplusplus
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extern "C" {
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#endif
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rt_thread_t rt_thread_sp_to_thread(void *spmember_addr);
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void lwp_signal_do_return(rt_hw_stack_frame_t *frame);
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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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#ifdef __cplusplus
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}
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#endif
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#endif /* RT_USING_USERSPACE */
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#endif /*LWP_ARCH_H__*/
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