diff options
author | Atish Patra <atish.patra@wdc.com> | 2019-06-19 00:54:02 +0300 |
---|---|---|
committer | Anup Patel <anup.patel@wdc.com> | 2019-06-19 07:18:54 +0300 |
commit | 98aaf8317b74414afa78078bc056670f46c45f41 (patch) | |
tree | e26aa71b9e3ea232f246fd10a7cfd3fd94578f7a /platform | |
parent | 749b0b093242a4c27f7c4f66121afd7852b2de48 (diff) | |
download | opensbi-98aaf8317b74414afa78078bc056670f46c45f41.tar.xz |
lib: Include helper libc functions directly in libsbi.
libsbi needs some of the custom libc functions. It should be directly
included in libsbi instead of platform specific libraries.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Acked-by: Anup Patel <anup.patel@wdc.com>
Diffstat (limited to 'platform')
-rw-r--r-- | platform/common/include/plat/string.h | 39 | ||||
-rw-r--r-- | platform/common/irqchip/plic.c | 2 | ||||
-rw-r--r-- | platform/common/libc/objects.mk | 15 | ||||
-rw-r--r-- | platform/common/libc/string.c | 175 | ||||
-rw-r--r-- | platform/common/libfdt/libfdt_env.h | 2 | ||||
-rw-r--r-- | platform/common/tinyfdt.c | 2 |
6 files changed, 3 insertions, 232 deletions
diff --git a/platform/common/include/plat/string.h b/platform/common/include/plat/string.h deleted file mode 100644 index 8259ef5..0000000 --- a/platform/common/include/plat/string.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - * SPDX-License-Identifier: BSD-2-Clause - * - * Copyright (c) 2019 Western Digital Corporation or its affiliates. - * - * Authors: - * Atish Patra <atish.patra@wdc.com> - */ - -#ifndef __STRING_H__ -#define __STRING_H__ - -#include <sbi/sbi_types.h> - -int strcmp(const char *a, const char *b); - -size_t strlen(const char *str); - -size_t strnlen(const char *str, size_t count); - -char *strcpy(char *dest, const char *src); - -char *strncpy(char *dest, const char *src, size_t count); - -char *strchr(const char *s, int c); - -char *strrchr(const char *s, int c); - -void *memset(void *s, int c, size_t count); - -void *memcpy(void *dest, const void *src, size_t count); - -void *memmove(void *dest, const void *src, size_t count); - -int memcmp(const void *s1, const void *s2, size_t count); - -void *memchr(const void *s, int c, size_t count); - -#endif diff --git a/platform/common/irqchip/plic.c b/platform/common/irqchip/plic.c index 90a7820..e3cdb17 100644 --- a/platform/common/irqchip/plic.c +++ b/platform/common/irqchip/plic.c @@ -10,7 +10,7 @@ #include <sbi/riscv_io.h> #include <sbi/riscv_encoding.h> #include <sbi/sbi_console.h> -#include <plat/string.h> +#include <sbi/string.h> #include <plat/tinyfdt.h> #include <plat/irqchip/plic.h> diff --git a/platform/common/libc/objects.mk b/platform/common/libc/objects.mk deleted file mode 100644 index 1dcfe8e..0000000 --- a/platform/common/libc/objects.mk +++ /dev/null @@ -1,15 +0,0 @@ -# -# SPDX-License-Identifier: BSD-2-Clause -# -# Copyright (c) 2019 Western Digital Corporation or its affiliates. -# -# Authors: -# Atish Patra<atish.patra@wdc.com> -# - -libc_files = string.o - -$(foreach file, $(libc_files), \ - $(eval CFLAGS_$(file) = -I$(src)/../../common/libc)) - -platform-common-objs-$(PLATFORM_INCLUDE_LIBC) += $(addprefix libc/,$(libc_files)) diff --git a/platform/common/libc/string.c b/platform/common/libc/string.c deleted file mode 100644 index 6e273d0..0000000 --- a/platform/common/libc/string.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * SPDX-License-Identifier: BSD-2-Clause - * - * Copyright (c) 2019 Western Digital Corporation or its affiliates. - * - * Authors: - * Atish Patra <atish.patra@wdc.com> - */ - -/* - * Simple libc functions. These are not optimized at all and might have some - * bugs as well. Use any optimized routines from newlib or glibc if required. - */ - -#include <plat/string.h> - -int strcmp(const char *a, const char *b) -{ - /* search first diff or end of string */ - for (; *a == *b && *a != '\0'; a++, b++) - ; - - return *a - *b; -} - -size_t strlen(const char *str) -{ - unsigned long ret = 0; - - while (*str != '\0') { - ret++; - str++; - } - - return ret; -} - -size_t strnlen(const char *str, size_t count) -{ - unsigned long ret = 0; - - while (*str != '\0' && ret < count) { - ret++; - str++; - count--; - } - - return ret; -} - -char *strcpy(char *dest, const char *src) -{ - char *ret = dest; - - while (*src != '\0') { - *dest++ = *src++; - } - - return ret; -} - -char *strncpy(char *dest, const char *src, size_t count) -{ - char *ret = dest; - - while (count-- && *src != '\0') { - *dest++ = *src++; - } - - return ret; -} - -char *strchr(const char *s, int c) -{ - while (*s != '\0' && *s != (char)c) - s++; - - if (*s == '\0') - return NULL; - else - return (char *)s; -} - -char *strrchr(const char *s, int c) -{ - const char *last = s + strlen(s); - - while (last > s && *last != (char)c) - last--; - - if (*last != (char)c) - return NULL; - else - return (char *)last; -} -void *memset(void *s, int c, size_t count) -{ - char *temp = s; - - while (count > 0) { - count--; - *temp++ = c; - } - - return s; -} - -void *memcpy(void *dest, const void *src, size_t count) -{ - char *temp1 = dest; - const char *temp2 = src; - - while (count > 0) { - *temp1++ = *temp2++; - count--; - } - - return dest; -} - -void *memmove(void *dest, const void *src, size_t count) -{ - char *temp1 = (char *)dest; - const char *temp2 = (char *)src; - - if (src == dest) - return dest; - - if (dest < src) { - while (count > 0) { - *temp1++ = *temp2++; - count--; - } - } else { - temp1 = dest + count - 1; - temp2 = src + count - 1; - - while (count > 0) { - *temp1-- = *temp2--; - count--; - } - } - - return dest; -} - -int memcmp(const void *s1, const void *s2, size_t count) -{ - const char *temp1 = s1; - const char *temp2 = s2; - - for (; count > 0 && (*temp1 == *temp2); count--) { - temp1++; - temp2++; - } - - if (count > 0) - return *(unsigned char *)temp1 - *(unsigned char *)temp2; - else - return 0; -} - -void *memchr(const void *s, int c, size_t count) -{ - const unsigned char *temp = s; - - while (count > 0) { - if ((unsigned char)c == *temp++) { - return (void *)(temp - 1); - } - count--; - } - - return NULL; -} diff --git a/platform/common/libfdt/libfdt_env.h b/platform/common/libfdt/libfdt_env.h index 2428fd5..adcd315 100644 --- a/platform/common/libfdt/libfdt_env.h +++ b/platform/common/libfdt/libfdt_env.h @@ -52,7 +52,7 @@ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -#include <plat/string.h> +#include <sbi/string.h> #include <sbi/sbi_types.h> #define INT_MAX ((int)(~0U >> 1)) diff --git a/platform/common/tinyfdt.c b/platform/common/tinyfdt.c index e62a809..73dd131 100644 --- a/platform/common/tinyfdt.c +++ b/platform/common/tinyfdt.c @@ -7,7 +7,7 @@ * Anup Patel <anup.patel@wdc.com> */ -#include <plat/string.h> +#include <sbi/string.h> #include <plat/tinyfdt.h> #define FDT_MAGIC 0xd00dfeed |