test: boards/intel_adsp: Add test of adsp_mem API
Add a simple board-specific test of the memory mapping driver. Signed-off-by: Andy Ross <andrew.j.ross@intel.com> Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Andy Ross
Anas Nashif
parent
206241acd6
commit
96b4a86a51
8
tests/boards/intel_adsp/mm/CMakeLists.txt
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8
tests/boards/intel_adsp/mm/CMakeLists.txt
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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(adsp_mem)
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target_sources(app PRIVATE src/main.c)
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3
tests/boards/intel_adsp/mm/prj.conf
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3
tests/boards/intel_adsp/mm/prj.conf
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CONFIG_ZTEST=y
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CONFIG_MM_DRV=y
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CONFIG_MM_DRV_INTEL_ADSP_TLB=y
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291
tests/boards/intel_adsp/mm/src/main.c
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291
tests/boards/intel_adsp/mm/src/main.c
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/*
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* Copyright (c) 2021 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <ztest.h>
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#include <zephyr.h>
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#include <toolchain.h>
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#include <sys/printk.h>
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#include <sys/util.h>
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#include <drivers/mm/system_mm.h>
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#include <soc.h>
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#include <cavs-mem.h>
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#define N_PAGES 3
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#define PAGE_SZ CONFIG_MM_DRV_PAGE_SIZE
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struct pagemem {
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uint32_t mem[1024];
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};
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/*
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* Test 3 pages at a time, but another set of 3 pages
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* is needed for remapping test.
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*/
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uint8_t __aligned(PAGE_SZ) buf[2 * N_PAGES * PAGE_SZ];
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void test_adsp_mem_map_region(void)
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{
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int ret;
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uintptr_t pa[N_PAGES];
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struct pagemem *page_buf = (void *)buf;
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/* Find a virtual address beyond physical memory */
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void *va = (void *)ROUND_UP(L2_SRAM_BASE + L2_SRAM_SIZE, PAGE_SZ);
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for (int i = 0; i < N_PAGES; i++) {
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/* First N_PAGES pages of page_buf */
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pa[i] = POINTER_TO_UINT(&page_buf[i]);
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}
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/* Map our physical pages to the new location */
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ret = sys_mm_drv_map_region(va, pa[0], N_PAGES * PAGE_SZ, 0U);
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zassert_true(ret == 0, "sys_mm_drv_map_region() failed (%d)", ret);
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/* Mark the new pages */
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struct pagemem *vps = va;
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const uint32_t markers[] = { 0x11111111, 0x22222222, 0x33333333 };
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for (int i = 0; i < N_PAGES; i++) {
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vps[i].mem[0] = markers[i];
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/*
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* Make sure it is written back to the mapped
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* physical memory.
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*/
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z_xtensa_cache_flush(&vps[i].mem[0], PAGE_SZ);
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/*
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* pa[i] is a cached address which means that the cached
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* version still has the old value before the assignment
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* above. So we need to invalidate the cache to reload
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* the new value.
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*/
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z_xtensa_cache_inv(UINT_TO_POINTER(pa[i]), PAGE_SZ);
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}
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/* Verify the originals reflect the change */
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for (int i = 0; i < N_PAGES; i++) {
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zassert_equal(vps[i].mem[0], *(uint32_t *)pa[i],
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"mapping and original don't match (0x%x != 0x%x)",
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vps[i].mem[0], *(uint32_t *)pa[i]);
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}
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/* Remap to another region (this will unmap the first virtual pages) */
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struct pagemem *vps2 = &vps[N_PAGES];
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/*
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* Need to unmap vps2 as sys_mm_drv_remap_region() checks
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* if the new virtual memory region is all unmapped.
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*/
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ret = sys_mm_drv_unmap_region(vps2, N_PAGES * PAGE_SZ);
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zassert_true(ret == 0, "sys_mm_drv_unmap_region() failed (%d)", ret);
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ret = sys_mm_drv_remap_region(vps, N_PAGES * PAGE_SZ, vps2);
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zassert_true(ret == 0, "sys_mm_drv_remap_region() failed (%d)", ret);
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for (int i = 0; i < N_PAGES; i++) {
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zassert_equal(vps2[i].mem[0], *(uint32_t *)pa[i],
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"remapping and original don't match");
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}
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/* Now copy the remapped pages to a third virtual region */
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struct pagemem *vps3 = &vps2[N_PAGES];
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uintptr_t new_pages[N_PAGES];
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for (int i = 0; i < N_PAGES; i++) {
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/* N_PAGES after the first N_PAGES pages of page_buf */
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new_pages[i] = POINTER_TO_UINT(&page_buf[i + N_PAGES]);
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}
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/*
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* Need to unmap vps3 as sys_mm_drv_remap_region() checks
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* if the new virtual memory region is all unmapped.
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*/
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ret = sys_mm_drv_unmap_region(vps3, N_PAGES * PAGE_SZ);
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zassert_true(ret == 0, "sys_mm_drv_unmap_region() failed (%d)", ret);
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ret = sys_mm_drv_move_region(vps2, N_PAGES * PAGE_SZ,
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vps3, new_pages[0]);
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zassert_true(ret == 0, "sys_mm_drv_move_region() failed (%d)", ret);
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/* Make sure they match the originals */
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for (int i = 0; i < N_PAGES; i++) {
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zassert_equal(vps3[i].mem[0], *(uint32_t *)pa[i],
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"page copy failed to match data (0x%x != 0x%x)",
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vps3[i].mem[0], *(uint32_t *)pa[i]);
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}
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/* Modify the copy and make sure the originals are unmodified */
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const int poison = 0x5a5a5a5a;
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for (int i = 0; i < N_PAGES; i++) {
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vps3[i].mem[0] = poison;
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/*
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* Make sure it is written back to the mapped
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* physical memory.
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*/
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z_xtensa_cache_flush(&vps3[i].mem[0], PAGE_SZ);
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zassert_equal(*(int *)pa[i], markers[i],
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"page copy modified original");
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}
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/* Unmap */
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ret = sys_mm_drv_unmap_region(vps2, N_PAGES * PAGE_SZ);
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zassert_true(ret == 0, "sys_mm_drv_unmap_region() failed (%d)", ret);
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/* Verify the copied region was not unmapped */
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for (int i = 0; i < N_PAGES; i++) {
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zassert_equal(vps3[i].mem[0], poison,
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"copied page data changed after unmap");
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}
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/* Verify the originals are still unmodified */
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for (int i = 0; i < N_PAGES; i++) {
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zassert_equal(*(int *)pa[i], markers[i],
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"original page data changed after unmap");
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}
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}
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void test_adsp_mem_map_array(void)
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{
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int ret;
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uintptr_t pa[N_PAGES];
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struct pagemem *page_buf = (void *)buf;
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/* Find a virtual address beyond physical memory */
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void *va = (void *)ROUND_UP(L2_SRAM_BASE + L2_SRAM_SIZE, PAGE_SZ);
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for (int i = 0; i < N_PAGES; i++) {
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/* Uses pages #0, #2, #4 */
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pa[i] = POINTER_TO_UINT(&page_buf[i * 2]);
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}
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/* Map our physical pages to the new location */
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ret = sys_mm_drv_map_array(va, pa, N_PAGES, 0U);
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zassert_true(ret == 0, "sys_mm_drv_map_array() failed (%d)", ret);
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/* Mark the new pages */
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struct pagemem *vps = va;
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const uint32_t markers[] = { 0x11111111, 0x22222222, 0x33333333 };
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for (int i = 0; i < N_PAGES; i++) {
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vps[i].mem[0] = markers[i];
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/*
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* Make sure it is written back to the mapped
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* physical memory.
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*/
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z_xtensa_cache_flush(&vps[i].mem[0], PAGE_SZ);
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/*
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* pa[i] is a cached address which means that the cached
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* version still has the old value before the assignment
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* above. So we need to invalidate the cache to reload
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* the new value.
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*/
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z_xtensa_cache_inv(UINT_TO_POINTER(pa[i]), PAGE_SZ);
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}
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/* Verify the originals reflect the change */
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for (int i = 0; i < N_PAGES; i++) {
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zassert_equal(vps[i].mem[0], *(uint32_t *)pa[i],
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"mapping and original don't match (0x%x != 0x%x)",
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vps[i].mem[0], *(uint32_t *)pa[i]);
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}
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/* Remap to another region (this will unmap the first virtual pages) */
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struct pagemem *vps2 = &vps[N_PAGES];
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/*
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* Need to unmap vps2 as sys_mm_drv_remap_region() checks
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* if the new virtual memory region is all unmapped.
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*/
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ret = sys_mm_drv_unmap_region(vps2, N_PAGES * PAGE_SZ);
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zassert_true(ret == 0, "sys_mm_drv_unmap_region() failed (%d)", ret);
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ret = sys_mm_drv_remap_region(vps, N_PAGES * PAGE_SZ, vps2);
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zassert_true(ret == 0, "sys_mm_drv_remap_region() failed (%d)", ret);
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for (int i = 0; i < N_PAGES; i++) {
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zassert_equal(vps2[i].mem[0], *(uint32_t *)pa[i],
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"remapping and original don't match");
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}
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/* Now copy the remapped pages to a third virtual region */
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struct pagemem *vps3 = &vps2[N_PAGES];
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uintptr_t new_pages[N_PAGES];
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for (int i = 0; i < N_PAGES; i++) {
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/* Uses pages #1, #3, #5 */
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new_pages[i] = POINTER_TO_UINT(&page_buf[i * 2 + 1]);
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}
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/*
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* Need to unmap vps3 as sys_mm_drv_remap_region() checks
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* if the new virtual memory region is all unmapped.
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*/
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ret = sys_mm_drv_unmap_region(vps3, N_PAGES * PAGE_SZ);
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zassert_true(ret == 0, "sys_mm_drv_unmap_region() failed (%d)", ret);
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ret = sys_mm_drv_move_array(vps2, N_PAGES * PAGE_SZ,
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vps3, new_pages, N_PAGES);
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zassert_true(ret == 0, "sys_mm_drv_move_array() failed (%d)", ret);
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/* Make sure they match the originals */
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for (int i = 0; i < N_PAGES; i++) {
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zassert_equal(vps3[i].mem[0], *(uint32_t *)pa[i],
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"page copy failed to match data (0x%x != 0x%x)",
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vps3[i].mem[0], *(uint32_t *)pa[i]);
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}
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/* Modify the copy and make sure the originals are unmodified */
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const int poison = 0x5a5a5a5a;
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for (int i = 0; i < N_PAGES; i++) {
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vps3[i].mem[0] = poison;
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/*
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* Make sure it is written back to the mapped
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* physical memory.
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*/
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z_xtensa_cache_flush(&vps3[i].mem[0], PAGE_SZ);
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zassert_equal(*(int *)pa[i], markers[i],
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"page copy modified original");
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}
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/* Unmap */
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ret = sys_mm_drv_unmap_region(vps2, N_PAGES * PAGE_SZ);
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zassert_true(ret == 0, "sys_mm_drv_unmap_region() failed (%d)", ret);
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/* Verify the copied region was not unmapped */
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for (int i = 0; i < N_PAGES; i++) {
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zassert_equal(vps3[i].mem[0], poison,
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"copied page data changed after unmap");
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}
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/* Verify the originals are still unmodified */
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for (int i = 0; i < N_PAGES; i++) {
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zassert_equal(*(int *)pa[i], markers[i],
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"original page data changed after unmap");
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}
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}
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void test_main(void)
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{
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ztest_test_suite(adsp_mem,
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ztest_unit_test(test_adsp_mem_map_region),
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ztest_unit_test(test_adsp_mem_map_array));
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ztest_run_test_suite(adsp_mem);
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}
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5
tests/boards/intel_adsp/mm/testcase.yaml
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5
tests/boards/intel_adsp/mm/testcase.yaml
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common:
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tags: boards
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tests:
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boards.intel_adsp.mm:
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platform_allow: intel_adsp_cavs25
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