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Diffstat (limited to 'tests/test-progs/asmtest/src/riscv/isa/macros/mt/test_macros_mt.h')
| -rw-r--r-- | tests/test-progs/asmtest/src/riscv/isa/macros/mt/test_macros_mt.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/tests/test-progs/asmtest/src/riscv/isa/macros/mt/test_macros_mt.h b/tests/test-progs/asmtest/src/riscv/isa/macros/mt/test_macros_mt.h new file mode 100644 index 000000000..26559ccc4 --- /dev/null +++ b/tests/test-progs/asmtest/src/riscv/isa/macros/mt/test_macros_mt.h @@ -0,0 +1,155 @@ +/* + * Copyright (c) 2018, Cornell University + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * Neither the name of Cornell University nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Tuan Ta + */ + +//------------------------------------------------------------------------ +// This test_macros includes necessary functions and macros to create +// and exit threads. They're used in multi-threaded assembly tests. +// This assumes the target system can concurrently support 4 different +// threads (i.e., 1 master thread and 3 child threads) +//------------------------------------------------------------------------ + +#ifndef __TEST_MACROS_MT_H +#define __TEST_MACROS_MT_H + +#define SYSCALL_MMAP 222 +#define SYSCALL_MUNMAP 215 +#define SYSCALL_CLONE 220 + +#define STACK_SIZE (4096 * 1024) + +#define PROT_READ 0x1 +#define PROT_WRITE 0x2 +#define MMAP_PROT_FLAGS (PROT_READ | PROT_WRITE) + +#define MAP_PRIVATE 0x02 +#define MAP_ANONYMOUS 0x20 +#define MAP_STACK 0x20000 +#define MMAP_MAP_FLAGS (MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK) + +#define CLONE_VM 0x00000100 +#define CLONE_FS 0x00000200 +#define CLONE_FILES 0x00000400 +#define CLONE_SIGHAND 0x00000800 +#define CLONE_PARENT 0x00008000 +#define CLONE_THREAD 0x00010000 +#define CLONE_IO 0x80000000 +#define CLONE_FLAGS (CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND\ + | CLONE_PARENT | CLONE_THREAD | CLONE_IO) + +#define NUM_THREADS 3 + +#define FAILURE 1 +#define SUCCESS 0 + +#define HARTID 0xF14 + +//------------------------------------------------------------------------ +// create NUM_THREADS child threads +//------------------------------------------------------------------------ +_create_threads: + li t0, NUM_THREADS + mv s0, ra // save return register +1: + jal ra, _alloc_stack + addi sp, sp, -8 + sd a0, (sp) // save pointer to the new stack + jal ra, _clone_thread // clone a new thread + addi t0, t0, -1 + bnez t0, 1b + mv ra, s0 // restore return register + ret + +_alloc_stack: + li a0, 0 + li a1, STACK_SIZE + li a2, MMAP_PROT_FLAGS + li a3, MMAP_MAP_FLAGS + li a4, -1 + li a5, 0 + li a7, SYSCALL_MMAP + ecall + ret + +_clone_thread: + li a1, STACK_SIZE + add a1, a1, a0 + li a0, CLONE_FLAGS + li a7, SYSCALL_CLONE + ecall + beqz a0, _mt_test + ret + +//------------------------------------------------------------------------ +// wait for all child threads to exit +//------------------------------------------------------------------------ +_join: + la t0, barrier + li t1, NUM_THREADS +1: + ld t2, (t0) + bne t1, t2, 1b + ret + +//------------------------------------------------------------------------ +// deallocate NUM_THREADS child threads +//------------------------------------------------------------------------ +_delete_threads: + li t0, NUM_THREADS + mv s0, ra // save return register +1: + ld a0, (sp) // pop the new stack's pointer + addi sp, sp, 8 + jal ra, _dealloc_stack + addi t0, t0, -1 + bnez t0, 1b + mv ra, s0 // restore return register + ret + +_dealloc_stack: + li a1, STACK_SIZE + li a7, SYSCALL_MUNMAP + ecall + ret + +#define MT_DATA \ + shared_var: .dword 0; \ + barrier: .dword 0; \ + array: .dword 0x00000000deadbeef, \ + 0xdeadbeefdeadbeef, \ + 0x12343eeaaf423451; \ + +#endif |