| /* |
| * Copyright (c) 2015 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <ztest.h> |
| |
| #define BUF_SZ 1024 |
| |
| static int pos; |
| char ram_console[BUF_SZ]; |
| |
| void __printk_hook_install(int (*fn)(int)); |
| void *__printk_get_hook(void); |
| int (*_old_char_out)(int); |
| |
| char *expected = "22 113 10000 32768 40000 22\n" |
| "p 112 -10000 -32768 -40000 -22\n" |
| "0xcafebabe 0x0000beef\n" |
| "0x1 0x01 0x0001 0x00000001\n" |
| "0x1 0x 1 0x 1 0x 1\n" |
| "42 42 0042 00000042\n" |
| "-42 -42 -042 -0000042\n" |
| "42 42 42 42\n" |
| "42 42 0042 00000042\n" |
| "255 42 abcdef 0x0000002a 42\n" |
| "-1 4294967295 ffffffff\n" |
| ; |
| |
| |
| size_t stv = 22; |
| unsigned char uc = 'q'; |
| unsigned short int usi = 10000; |
| unsigned int ui = 32768; |
| unsigned long ul = 40000; |
| |
| /* FIXME |
| * we know printk doesn't have full support for 64-bit values. |
| * at least show it can print u64_t values less than 32-bits wide |
| */ |
| unsigned long long ull = 22; |
| |
| char c = 'p'; |
| signed short int ssi = -10000; |
| signed int si = -32768; |
| signed long sl = -40000; |
| signed long long sll = -22; |
| |
| u32_t hex = 0xCAFEBABE; |
| |
| void *ptr = (void *)0xBEEF; |
| |
| static int ram_console_out(int character) |
| { |
| ram_console[pos] = (char)character; |
| pos = (pos + 1) % BUF_SZ; |
| return _old_char_out(character); |
| } |
| |
| void test_printk(void) |
| { |
| int count; |
| |
| printk("%lld %llu %llx", |
| 1LL, -1ULL, -1ULL); |
| _old_char_out = __printk_get_hook(); |
| __printk_hook_install(ram_console_out); |
| |
| printk("%zu %hhu %hu %u %lu %llu\n", stv, uc, usi, ui, ul, ull); |
| printk("%c %hhd %hd %d %ld %lld\n", c, c, ssi, si, sl, sll); |
| printk("0x%x %p\n", hex, ptr); |
| printk("0x%x 0x%02x 0x%04x 0x%08x\n", 1, 1, 1, 1); |
| printk("0x%x 0x%2x 0x%4x 0x%8x\n", 1, 1, 1, 1); |
| printk("%d %02d %04d %08d\n", 42, 42, 42, 42); |
| printk("%d %02d %04d %08d\n", -42, -42, -42, -42); |
| printk("%u %2u %4u %8u\n", 42, 42, 42, 42); |
| printk("%u %02u %04u %08u\n", 42, 42, 42, 42); |
| printk("%-8u%-6d%-4x%-2p%8d\n", 0xFF, 42, 0xABCDEF, (char *)42, 42); |
| printk("%lld %llu %llx\n", -1LL, -1ULL, -1ULL); |
| |
| ram_console[pos] = '\0'; |
| zassert_true((strcmp(ram_console, expected) == 0), "printk failed"); |
| |
| memset(ram_console, 0, sizeof(ram_console)); |
| count = 0; |
| |
| count += snprintk(ram_console + count, sizeof(ram_console) - count, |
| "%zu %hhu %hu %u %lu %llu\n", |
| stv, uc, usi, ui, ul, ull); |
| count += snprintk(ram_console + count, sizeof(ram_console) - count, |
| "%c %hhd %hd %d %ld %lld\n", c, c, ssi, si, sl, sll); |
| count += snprintk(ram_console + count, sizeof(ram_console) - count, |
| "0x%x %p\n", hex, ptr); |
| count += snprintk(ram_console + count, sizeof(ram_console) - count, |
| "0x%x 0x%02x 0x%04x 0x%08x\n", 1, 1, 1, 1); |
| count += snprintk(ram_console + count, sizeof(ram_console) - count, |
| "0x%x 0x%2x 0x%4x 0x%8x\n", 1, 1, 1, 1); |
| count += snprintk(ram_console + count, sizeof(ram_console) - count, |
| "%d %02d %04d %08d\n", 42, 42, 42, 42); |
| count += snprintk(ram_console + count, sizeof(ram_console) - count, |
| "%d %02d %04d %08d\n", -42, -42, -42, -42); |
| count += snprintk(ram_console + count, sizeof(ram_console) - count, |
| "%u %2u %4u %8u\n", 42, 42, 42, 42); |
| count += snprintk(ram_console + count, sizeof(ram_console) - count, |
| "%u %02u %04u %08u\n", 42, 42, 42, 42); |
| count += snprintk(ram_console + count, sizeof(ram_console) - count, |
| "%-8u%-6d%-4x%-2p%8d\n", |
| 0xFF, 42, 0xABCDEF, (char *)42, 42); |
| count += snprintk(ram_console + count, sizeof(ram_console) - count, |
| "%lld %llu %llx\n", |
| -1LL, -1ULL, -1ULL); |
| ram_console[count] = '\0'; |
| zassert_true((strcmp(ram_console, expected) == 0), "snprintk failed"); |
| } |