From 8cace3f05003c6cb4d38c36890055f03151c2ad4 Mon Sep 17 00:00:00 2001 From: Richard Qin Date: Fri, 16 Oct 2026 02:39:56 +0800 Subject: Remove old code Signed-off-by: Richard Qin --- test/test_sys_mm.cc | 178 ---------------------------------------------------- 1 file changed, 178 deletions(-) delete mode 100644 test/test_sys_mm.cc (limited to 'test/test_sys_mm.cc') diff --git a/test/test_sys_mm.cc b/test/test_sys_mm.cc deleted file mode 100644 index 2c1a7dc..0000000 --- a/test/test_sys_mm.cc +++ /dev/null @@ -1,178 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* Copyright (C) 2026 Richard Qin */ - -#include -#include -#include -#include -#include - -/* sys_mm.cc APIs */ -int64 sys_brk(uint64 new_brk, uint64, uint64, uint64, uint64, uint64); -int64 sys_mmap(uint64 addr, uint64 length, uint64 prot, - uint64 flags, uint64 fd, uint64 offset); -int64 sys_munmap(uint64 addr, uint64 length, uint64, uint64, uint64, uint64); -int64 sys_mprotect(uint64 addr, uint64 len, uint64 prot, - uint64, uint64, uint64); - -void selftest_sys_mm() -{ - st_begin("sys_mm: mmap invalid arguments"); - { - TaskControlBlock* curr = current_task(); - VmSpace* old_mm = curr->mm; - - VmSpace* space = VmSpace::create(); - ST_ASSERT(space != nullptr); - curr->mm = space; - - ST_ASSERT_EQ(sys_mmap(0, 0, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0), -EINVAL); - ST_ASSERT_EQ(sys_mmap(0, 0x1000, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, 0, 1), -EINVAL); - ST_ASSERT_EQ(sys_mmap(0, 0x1000, PROT_READ, 0, 0, 0), -EINVAL); - ST_ASSERT_EQ(sys_mmap(0, 0x1000, PROT_READ, MAP_PRIVATE | MAP_SHARED, 0, 0), -EINVAL); - ST_ASSERT_EQ(sys_mmap(0x123, 0x1000, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, 0, 0), -EINVAL); - - curr->mm = old_mm; - space->destroy(); - } - st_pass(); - - st_begin("sys_mm: mmap/munmap/mprotect basic flow"); - { - TaskControlBlock* curr = current_task(); - VmSpace* old_mm = curr->mm; - - VmSpace* space = VmSpace::create(); - ST_ASSERT(space != nullptr); - curr->mm = space; - - int64 addr = sys_mmap(0, 0x3000, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); - ST_ASSERT(addr > 0); - - ST_ASSERT_EQ(vmm_handle_page_fault(space, addr, VmFaultCause::Read), 0); - - int64 mp = sys_mprotect(addr + kPageSize, kPageSize, PROT_READ, 0, 0, 0); - ST_ASSERT_EQ(mp, 0); - ST_ASSERT_EQ(vmm_handle_page_fault(space, addr + kPageSize, VmFaultCause::Write), -EFAULT); - - int64 mu = sys_munmap(addr, 0x3000, 0, 0, 0, 0); - ST_ASSERT_EQ(mu, 0); - ST_ASSERT_EQ(vmm_handle_page_fault(space, addr, VmFaultCause::Read), -EFAULT); - - curr->mm = old_mm; - space->destroy(); - } - st_pass(); - - st_begin("sys_mm: MAP_FIXED replaces existing mapping"); - { - TaskControlBlock* curr = current_task(); - VmSpace* old_mm = curr->mm; - - VmSpace* space = VmSpace::create(); - ST_ASSERT(space != nullptr); - curr->mm = space; - - uint64 base = 0x600000; - ST_ASSERT_EQ(sys_mmap(base, 0x2000, PROT_READ, - MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, 0, 0), - static_cast(base)); - - ST_ASSERT_EQ(sys_mmap(base, 0x1000, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, 0, 0), - static_cast(base)); - - ST_ASSERT_EQ(vmm_handle_page_fault(space, base, VmFaultCause::Read), 0); - ST_ASSERT_EQ(vmm_handle_page_fault(space, base, VmFaultCause::Write), 0); - - curr->mm = old_mm; - space->destroy(); - } - st_pass(); - - st_begin("sys_mm: mmap hint fallback on overlap"); - { - TaskControlBlock* curr = current_task(); - VmSpace* old_mm = curr->mm; - - VmSpace* space = VmSpace::create(); - ST_ASSERT(space != nullptr); - curr->mm = space; - - uint64 base = 0x700000; - ST_ASSERT_EQ(sys_mmap(base, 0x2000, PROT_READ, - MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, 0, 0), - static_cast(base)); - - int64 hint = sys_mmap(base, 0x1000, PROT_READ, - MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); - ST_ASSERT(hint > 0); - ST_ASSERT(hint != static_cast(base)); - ST_ASSERT_EQ(vmm_handle_page_fault(space, hint, VmFaultCause::Read), 0); - - curr->mm = old_mm; - space->destroy(); - } - st_pass(); - - st_begin("sys_mm: brk growth and shrink"); - { - TaskControlBlock* curr = current_task(); - VmSpace* old_mm = curr->mm; - - VmSpace* space = VmSpace::create(); - ST_ASSERT(space != nullptr); - curr->mm = space; - - int64 brk0 = sys_brk(0x400000, 0, 0, 0, 0, 0); - ST_ASSERT_EQ(brk0, 0x400000); - - int64 brk1 = sys_brk(0x402000, 0, 0, 0, 0, 0); - ST_ASSERT_EQ(brk1, 0x402000); - ST_ASSERT_EQ(vmm_handle_page_fault(space, 0x400000, VmFaultCause::Read), 0); - - int64 brk2 = sys_brk(0x400000, 0, 0, 0, 0, 0); - ST_ASSERT_EQ(brk2, 0x400000); - ST_ASSERT_EQ(vmm_handle_page_fault(space, 0x401000, VmFaultCause::Read), -EFAULT); - - curr->mm = old_mm; - space->destroy(); - } - st_pass(); - - st_begin("sys_mm: brk invalid shrink below start"); - { - TaskControlBlock* curr = current_task(); - VmSpace* old_mm = curr->mm; - - VmSpace* space = VmSpace::create(); - ST_ASSERT(space != nullptr); - curr->mm = space; - - ST_ASSERT_EQ(sys_brk(0x500000, 0, 0, 0, 0, 0), 0x500000); - ST_ASSERT_EQ(sys_brk(0x4FF000, 0, 0, 0, 0, 0), -EINVAL); - - curr->mm = old_mm; - space->destroy(); - } - st_pass(); - - st_begin("sys_mm: mprotect invalid range"); - { - TaskControlBlock* curr = current_task(); - VmSpace* old_mm = curr->mm; - - VmSpace* space = VmSpace::create(); - ST_ASSERT(space != nullptr); - curr->mm = space; - - ST_ASSERT_EQ(sys_mmap(0, 0x1000, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0) > 0, true); - ST_ASSERT_EQ(sys_mprotect(0x123, 0x1000, PROT_READ, 0, 0, 0), -EINVAL); - ST_ASSERT_EQ(sys_mprotect(0x900000, 0x1000, PROT_READ, 0, 0, 0), -ENOMEM); - - curr->mm = old_mm; - space->destroy(); - } - st_pass(); -} -- cgit v1.2.3