4e396174ce
Move the syscall_handler.h header, used internally only to a dedicated internal folder that should not be used outside of Zephyr. Signed-off-by: Anas Nashif <anas.nashif@intel.com>
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
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* Copyright (c) 2019 Nordic Semiconductor ASA.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/ztest.h>
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#include <zephyr/linker/linker-defs.h>
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#include <zephyr/internal/syscall_handler.h>
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static volatile int test_flag;
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__ramfunc static void ram_function(void)
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{
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test_flag = 1;
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}
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ZTEST(ramfunc, test_ramfunc)
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{
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int init_flag, post_flag;
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init_flag = test_flag;
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zassert_true(init_flag == 0, "Test flag not initialized to zero");
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/* Verify that the .ramfunc section is not empty, it is located
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* inside SRAM, and that ram_function(.) is located inside
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* the .ramfunc section.
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*/
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zassert_true((uint32_t)&__ramfunc_size != 0,
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".ramfunc linker section is empty");
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zassert_true(((uint32_t)&__ramfunc_start >= (uint32_t)&_image_ram_start)
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&& ((uint32_t)&__ramfunc_end < (uint32_t)&_image_ram_end),
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".ramfunc linker section not in RAM");
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zassert_true(
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(((uint32_t)&__ramfunc_start) <= (uint32_t)ram_function) &&
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(((uint32_t)&__ramfunc_end) > (uint32_t)ram_function),
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"ram_function not loaded into .ramfunc");
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/* If we build with User Mode support, verify that the
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* ram_function(.) is user (read) accessible.
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*/
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#if defined(CONFIG_USERSPACE)
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zassert_true(arch_buffer_validate((void *)&__ramfunc_start,
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(size_t)&__ramfunc_size, 0) == 0 /* Success */,
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".ramfunc section not user accessible");
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#endif /* CONFIG_USERSPACE */
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/* Execute the function from SRAM. */
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ram_function();
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/* Verify that the function is executed successfully. */
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post_flag = test_flag;
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zassert_true(post_flag == 1,
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"ram_function() execution failed.");
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}
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/**
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* @}
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*/
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