d04c834c0f
In minimal mode, format modifiers are not supported, leading to a lack of width and precision support. long long values are presented correctly in either long long or floating mode. Signed-off-by: Keith Packard <keithp@keithp.com>
263 lines
7.3 KiB
C
263 lines
7.3 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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#define BUF_SZ 1024
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static int pos;
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char pk_console[BUF_SZ];
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void __printk_hook_install(int (*fn)(int));
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void *__printk_get_hook(void);
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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_true((strcmp(pk_console, expected) == 0), "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_true((strcmp(pk_console, expected) == 0), "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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