ef14c9b867
Add a zephyr/printk.h header for the __printk_hook functions, these are currently manually declared by all console drivers for no good reason. Move the documentation into the header and also unify the way that console drivers call the function. Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>
262 lines
7.2 KiB
C
262 lines
7.2 KiB
C
/*
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* Copyright (c) 2015 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 <zephyr/ztest.h>
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#include <zephyr/sys/printk-hooks.h>
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#define BUF_SZ 1024
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static int pos;
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char pk_console[BUF_SZ];
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int (*_old_char_out)(int);
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#if defined(CONFIG_PICOLIBC)
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#define ZEPHYR_PICOLIBC_VERSION (__PICOLIBC__ * 10000 + \
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__PICOLIBC_MINOR__ * 100 + \
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__PICOLIBC_PATCHLEVEL__)
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#ifdef CONFIG_PICOLIBC_IO_MINIMAL
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/*
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* If picolibc is >= 1.8.4, then minimal printf is available. Otherwise,
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* we're going to get the floating point version when the minimal one is
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* selected.
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*/
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#if ZEPHYR_PICOLIBC_VERSION >= 10804
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#define HAS_PICOLIBC_IO_MINIMAL
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#else
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#define HAS_PICOLIBC_IO_FLOAT
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#endif
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#endif
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#ifdef CONFIG_PICOLIBC_IO_LONG_LONG
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/*
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* If picolibc is >= 1.8.5, then long long printf is available. Otherwise,
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* we're going to get the floating point version when the long long one is
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* selected.
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*/
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#if ZEPHYR_PICOLIBC_VERSION >= 10805
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#define HAS_PICOLIBC_IO_LONG_LONG
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#else
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#define HAS_PICOLIBC_IO_FLOAT
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#endif
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#endif
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#ifdef CONFIG_PICOLIBC_IO_FLOAT
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#define HAS_PICOLIBC_IO_FLOAT
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#endif
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/*
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* Picolibc long long support is present if Zephyr configuration has
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* enabled long long or floating point support.
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*/
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char expected_32[] = "22 113 10000 32768 40000 22\n"
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"p 112 -10000 -32768 -40000 -22\n"
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#if defined(HAS_PICOLIBC_IO_MINIMAL)
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"0x1 0x1 0x1 0x1 0x1\n"
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"0x1 0x1 0x1 0x1\n"
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"42 42 42 42\n"
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"-42 -42 -42 -42\n"
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"42 42 42 42\n"
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"42 42 42 42\n"
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"25542abcdef 42\n"
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#if defined(_WANT_MINIMAL_IO_LONG_LONG)
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"68719476735 -1 18446744073709551615 ffffffffffffffff\n"
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#else
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"-1 -1 4294967295 ffffffff\n"
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#endif
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#else
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"0x1 0x01 0x0001 0x00000001 0x0000000000000001\n"
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"0x1 0x 1 0x 1 0x 1\n"
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"42 42 0042 00000042\n"
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"-42 -42 -042 -0000042\n"
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"42 42 42 42\n"
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"42 42 0042 00000042\n"
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"255 42 abcdef 42\n"
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#if defined(HAS_PICOLIBC_IO_LONG_LONG) || defined(HAS_PICOLIBC_IO_FLOAT)
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"68719476735 -1 18446744073709551615 ffffffffffffffff\n"
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#else
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"-1 -1 4294967295 ffffffff\n"
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#endif
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#endif
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"0xcafebabe 0xbeef 0x2a\n"
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;
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char expected_64[] = "22 113 10000 32768 40000 22\n"
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"p 112 -10000 -32768 -40000 -22\n"
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#if defined(HAS_PICOLIBC_IO_MINIMAL)
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"0x1 0x1 0x1 0x1 0x1\n"
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"0x1 0x1 0x1 0x1\n"
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"42 42 42 42\n"
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"-42 -42 -42 -42\n"
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"42 42 42 42\n"
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"42 42 42 42\n"
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"25542abcdef 42\n"
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#else
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"0x1 0x01 0x0001 0x00000001 0x0000000000000001\n"
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"0x1 0x 1 0x 1 0x 1\n"
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"42 42 0042 00000042\n"
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"-42 -42 -042 -0000042\n"
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"42 42 42 42\n"
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"42 42 0042 00000042\n"
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"255 42 abcdef 42\n"
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#endif
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"68719476735 -1 18446744073709551615 ffffffffffffffff\n"
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"0xcafebabe 0xbeef 0x2a\n"
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;
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char *expected = (sizeof(long) == sizeof(long long)) ? expected_64 : expected_32;
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#else
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#if defined(CONFIG_CBPRINTF_FULL_INTEGRAL)
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char *expected = "22 113 10000 32768 40000 22\n"
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"p 112 -10000 -32768 -40000 -22\n"
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"0x1 0x01 0x0001 0x00000001 0x0000000000000001\n"
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"0x1 0x 1 0x 1 0x 1\n"
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"42 42 0042 00000042\n"
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"-42 -42 -042 -0000042\n"
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"42 42 42 42\n"
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"42 42 0042 00000042\n"
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"255 42 abcdef 42\n"
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"68719476735 -1 18446744073709551615 ffffffffffffffff\n"
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"0xcafebabe 0xbeef 0x2a\n"
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;
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#elif defined(CONFIG_CBPRINTF_COMPLETE)
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char *expected = "22 113 10000 32768 40000 %llu\n"
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"p 112 -10000 -32768 -40000 %lld\n"
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"0x1 0x01 0x0001 0x00000001 0x0000000000000001\n"
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"0x1 0x 1 0x 1 0x 1\n"
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"42 42 0042 00000042\n"
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"-42 -42 -042 -0000042\n"
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"42 42 42 42\n"
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"42 42 0042 00000042\n"
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"255 42 abcdef 42\n"
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"%lld %lld %llu %llx\n"
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"0xcafebabe 0xbeef 0x2a\n"
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;
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#elif defined(CONFIG_CBPRINTF_NANO)
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char *expected = "22 113 10000 32768 40000 22\n"
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"p 112 -10000 -32768 -40000 -22\n"
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"0x1 0x01 0x0001 0x00000001 0x0000000000000001\n"
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"0x1 0x 1 0x 1 0x 1\n"
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"42 42 0042 00000042\n"
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"-42 -42 -042 -0000042\n"
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"42 42 42 42\n"
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"42 42 0042 00000042\n"
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"255 42 abcdef 42\n"
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"ERR -1 ERR ERR\n"
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"0xcafebabe 0xbeef 0x2a\n"
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;
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#endif
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#endif
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size_t stv = 22;
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unsigned char uc = 'q';
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unsigned short int usi = 10000U;
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unsigned int ui = 32768U;
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unsigned long ul = 40000;
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/* FIXME
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* we know printk doesn't have full support for 64-bit values.
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* at least show it can print uint64_t values less than 32-bits wide
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*/
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unsigned long long ull = 22;
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char c = 'p';
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signed short int ssi = -10000;
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signed int si = -32768;
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signed long sl = -40000;
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signed long long sll = -22;
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uint32_t hex = 0xCAFEBABE;
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void *ptr = (void *)0xBEEF;
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static int ram_console_out(int character)
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{
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pk_console[pos] = (char)character;
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pos = (pos + 1) % BUF_SZ;
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return _old_char_out(character);
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}
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/**
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* @addtogroup kernel_common_tests
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* @{
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*/
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/**
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* @brief Test printk() functionality
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*
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* @see printk(), __printk_get_hook(),
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* __printk_hook_install(), snprintk()
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*
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*/
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ZTEST(printk, test_printk)
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{
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int count;
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if (IS_ENABLED(CONFIG_LOG_PRINTK)) {
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ztest_test_skip();
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}
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_old_char_out = __printk_get_hook();
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__printk_hook_install(ram_console_out);
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printk("%zu %hhu %hu %u %lu %llu\n", stv, uc, usi, ui, ul, ull);
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printk("%c %hhd %hd %d %ld %lld\n", c, c, ssi, si, sl, sll);
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printk("0x%x 0x%02x 0x%04x 0x%08x 0x%016x\n", 1, 1, 1, 1, 1);
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printk("0x%x 0x%2x 0x%4x 0x%8x\n", 1, 1, 1, 1);
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printk("%d %02d %04d %08d\n", 42, 42, 42, 42);
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printk("%d %02d %04d %08d\n", -42, -42, -42, -42);
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printk("%u %2u %4u %8u\n", 42, 42, 42, 42);
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printk("%u %02u %04u %08u\n", 42, 42, 42, 42);
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printk("%-8u%-6d%-4x %8d\n", 0xFF, 42, 0xABCDEF, 42);
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printk("%lld %lld %llu %llx\n", 0xFFFFFFFFFULL, -1LL, -1ULL, -1ULL);
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printk("0x%x %p %-2p\n", hex, ptr, (char *)42);
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pk_console[pos] = '\0';
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__printk_hook_install(_old_char_out);
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printk("expected '%s'\n", expected);
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zassert_str_equal(pk_console, expected, "printk failed");
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(void)memset(pk_console, 0, sizeof(pk_console));
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count = 0;
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count += snprintk(pk_console + count, sizeof(pk_console) - count,
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"%zu %hhu %hu %u %lu %llu\n",
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stv, uc, usi, ui, ul, ull);
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count += snprintk(pk_console + count, sizeof(pk_console) - count,
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"%c %hhd %hd %d %ld %lld\n", c, c, ssi, si, sl, sll);
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count += snprintk(pk_console + count, sizeof(pk_console) - count,
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"0x%x 0x%02x 0x%04x 0x%08x 0x%016x\n", 1, 1, 1, 1, 1);
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count += snprintk(pk_console + count, sizeof(pk_console) - count,
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"0x%x 0x%2x 0x%4x 0x%8x\n", 1, 1, 1, 1);
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count += snprintk(pk_console + count, sizeof(pk_console) - count,
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"%d %02d %04d %08d\n", 42, 42, 42, 42);
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count += snprintk(pk_console + count, sizeof(pk_console) - count,
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"%d %02d %04d %08d\n", -42, -42, -42, -42);
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count += snprintk(pk_console + count, sizeof(pk_console) - count,
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"%u %2u %4u %8u\n", 42, 42, 42, 42);
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count += snprintk(pk_console + count, sizeof(pk_console) - count,
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"%u %02u %04u %08u\n", 42, 42, 42, 42);
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count += snprintk(pk_console + count, sizeof(pk_console) - count,
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"%-8u%-6d%-4x %8d\n",
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0xFF, 42, 0xABCDEF, 42);
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count += snprintk(pk_console + count, sizeof(pk_console) - count,
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"%lld %lld %llu %llx\n",
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0xFFFFFFFFFULL, -1LL, -1ULL, -1ULL);
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count += snprintk(pk_console + count, sizeof(pk_console) - count,
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"0x%x %p %-2p\n", hex, ptr, (char *)42);
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pk_console[count] = '\0';
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zassert_str_equal(pk_console, expected, "snprintk failed");
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}
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extern void *common_setup(void);
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ZTEST_SUITE(printk, NULL, common_setup, NULL, NULL, NULL);
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/**
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* @}
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*/
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