| /* |
| * Copyright (c) 2015, Intel Corporation |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. 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. |
| * 3. Neither the name of the Intel Corporation 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 INTEL CORPORATION 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. |
| */ |
| |
| #ifndef __QM_COMMON_H__ |
| #define __QM_COMMON_H__ |
| |
| #if (UNIT_TEST) |
| #define __volatile__(x) |
| #define __asm__ |
| #endif /* UNIT_TEST */ |
| |
| #include <stdint.h> |
| #include <stdbool.h> |
| #include "qm_rc.h" |
| |
| #define QM_R volatile const |
| #define QM_W volatile |
| #define QM_RW volatile |
| |
| #ifndef NULL |
| #define NULL ((void *)0) |
| #endif |
| |
| #define REG_VAL(addr) (*((volatile uint32_t *)addr)) |
| |
| /** |
| * In our reference implementation, by default DEBUG enables QM_PUTS and |
| * QM_ASSERT but not QM_PRINTF. |
| * User can modify this block to customise the default DEBUG configuration. |
| */ |
| #if (DEBUG) |
| #ifndef ASSERT_ENABLE |
| #define ASSERT_ENABLE (1) |
| #endif |
| #ifndef PUTS_ENABLE |
| #define PUTS_ENABLE (1) |
| #endif |
| #endif /* DEBUG */ |
| |
| /** |
| * Decide how to handle user input validation. Possible options upon discovering |
| * an invalid input parameter are: |
| * - Return an error code. |
| * - Assert. |
| * - Assert and save the error into the General Purpose Sticky Register 0. |
| * - Do nothing, only recommended when code size is a major concern. |
| */ |
| #if (DEBUG) |
| #ifndef QM_CHECK_RETURN_ERROR |
| #define QM_CHECK_RETURN_ERROR (1) |
| #endif |
| |
| #ifndef QM_CHECK_ASSERT |
| #define QM_CHECK_ASSERT (0) |
| #endif |
| |
| #ifndef QM_CHECK_ASSERT_SAVE_ERROR |
| #define QM_CHECK_ASSERT_SAVE_ERROR (0) |
| #endif |
| |
| #endif /* DEBUG */ |
| |
| /* |
| * Setup UART for stdout/stderr. |
| */ |
| void stdout_uart_setup(uint32_t baud_divisors); |
| |
| /* |
| * Default UART baudrate divisors at the sysclk speed set by Boot ROM |
| */ |
| #define BOOTROM_UART_115200 (QM_UART_CFG_BAUD_DL_PACK(0, 17, 6)) |
| |
| /** |
| * Selectively enable printf/puts/assert. |
| * User can modify the defines to divert the calls to custom implementations. |
| */ |
| |
| #if (PRINTF_ENABLE || PUTS_ENABLE || ASSERT_ENABLE) |
| #include <stdio.h> |
| #endif /* PRINTF_ENABLE || PUTS_ENABLE || ASSERT_ENABLE */ |
| |
| #if (PRINTF_ENABLE) |
| #define QM_PRINTF(...) printf(__VA_ARGS__) |
| #else |
| #define QM_PRINTF(...) |
| #endif /* PRINTF_ENABLE */ |
| |
| #if (PUTS_ENABLE) |
| #define QM_PUTS(x) puts(x) |
| #else |
| #define QM_PUTS(x) |
| #endif /* PUTS_ENABLE */ |
| |
| #if (ASSERT_ENABLE) |
| #include <assert.h> |
| #define QM_ASSERT(x) assert(x) |
| #else |
| #define QM_ASSERT(x) |
| #endif /* ASSERT_ENABLE */ |
| |
| /** |
| * Select which UART to use for stdout/err (default: UART0) |
| */ |
| #if (STDOUT_UART_0 && STDOUT_UART_1) |
| #error "STDOUT_UART_0 and STDOUT_UART_1 are mutually exclusive" |
| #elif(!(STDOUT_UART_0 || STDOUT_UART_1)) |
| #define STDOUT_UART_0 (1) |
| #endif |
| |
| #if (STDOUT_UART_0) |
| #define STDOUT_UART (QM_UART_0) |
| #elif(STDOUT_UART_1) |
| #define STDOUT_UART (QM_UART_1) |
| #endif |
| |
| /** |
| * Select assert action (default: put the IA core into HLT state) |
| */ |
| #if (ASSERT_ACTION_HALT && ASSERT_ACTION_RESET) |
| #error "ASSERT_ACTION_HALT and ASSERT_ACTION_RESET are mutually exclusive" |
| #elif(!(ASSERT_ACTION_HALT || ASSERT_ACTION_RESET)) |
| #define ASSERT_ACTION_HALT (1) |
| #endif |
| |
| /** |
| * Select check action |
| */ |
| #if (1 < QM_CHECK_RETURN_ERROR + QM_CHECK_ASSERT + QM_CHECK_ASSERT_SAVE_ERROR) |
| #error "Only a single check action may be performed" |
| #endif |
| |
| #if (QM_CHECK_RETURN_ERROR) |
| #define QM_CHECK(cond, error) \ |
| do { \ |
| if (!(cond)) { \ |
| return (error); \ |
| } \ |
| } while (0) |
| |
| #elif(QM_CHECK_ASSERT) |
| #define QM_CHECK(cond, error) QM_ASSERT(cond) |
| |
| #elif(QM_CHECK_ASSERT_SAVE_ERROR) |
| |
| #define SAVE_LAST_ERROR(x) \ |
| do { \ |
| QM_SCSS_GP->gps[0] = x; \ |
| } while (0) |
| |
| #define QM_CHECK(cond, error) \ |
| do { \ |
| SAVE_LAST_ERROR(error); \ |
| QM_ASSERT(cond); \ |
| } while (0) |
| |
| #else |
| /* Do nothing with checks */ |
| #define QM_CHECK(cond, error) |
| #endif |
| |
| /* Bitwise operation helpers */ |
| #ifndef BIT |
| #define BIT(x) (1U << x) |
| #endif |
| |
| /* Set all bits */ |
| #ifndef SET_ALL_BITS |
| #define SET_ALL_BITS (-1) |
| #endif |
| |
| /** |
| * Helper to convert a macro parameter into its literal text. |
| */ |
| #define QM_STRINGIFY(s) #s |
| |
| /** |
| * Convert the source version numbers into an ASCII string. |
| */ |
| #define QM_VER_STRINGIFY(major, minor, patch) \ |
| QM_STRINGIFY(major) "." QM_STRINGIFY(minor) "." QM_STRINGIFY(patch) |
| |
| #endif /* __QM_COMMON_H__ */ |