diff options
Diffstat (limited to 'lib/utils')
| -rw-r--r-- | lib/utils/Kconfig | 2 | ||||
| -rw-r--r-- | lib/utils/cache/Kconfig | 9 | ||||
| -rw-r--r-- | lib/utils/cache/cache.c | 46 | ||||
| -rw-r--r-- | lib/utils/cache/objects.mk | 7 |
4 files changed, 64 insertions, 0 deletions
diff --git a/lib/utils/Kconfig b/lib/utils/Kconfig index 901ba564..5a5b3b1e 100644 --- a/lib/utils/Kconfig +++ b/lib/utils/Kconfig @@ -2,6 +2,8 @@ menu "Utils and Drivers Support" +source "$(OPENSBI_SRC_DIR)/lib/utils/cache/Kconfig" + source "$(OPENSBI_SRC_DIR)/lib/utils/cppc/Kconfig" source "$(OPENSBI_SRC_DIR)/lib/utils/fdt/Kconfig" diff --git a/lib/utils/cache/Kconfig b/lib/utils/cache/Kconfig new file mode 100644 index 00000000..24aa41bc --- /dev/null +++ b/lib/utils/cache/Kconfig @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: BSD-2-Clause + +menu "Cache Support" + +config CACHE + bool "Cache support" + default n + +endmenu diff --git a/lib/utils/cache/cache.c b/lib/utils/cache/cache.c new file mode 100644 index 00000000..6bc3d10e --- /dev/null +++ b/lib/utils/cache/cache.c @@ -0,0 +1,46 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2025 SiFive Inc. + */ + +#include <sbi/sbi_error.h> +#include <sbi_utils/cache/cache.h> + +static SBI_LIST_HEAD(cache_list); + +struct cache_device *cache_find(u32 id) +{ + struct cache_device *dev; + + sbi_list_for_each_entry(dev, &cache_list, node) { + if (dev->id == id) + return dev; + } + + return NULL; +} + +int cache_add(struct cache_device *dev) +{ + if (!dev) + return SBI_ENODEV; + + if (cache_find(dev->id)) + return SBI_EALREADY; + + sbi_list_add(&dev->node, &cache_list); + + return SBI_OK; +} + +int cache_flush_all(struct cache_device *dev) +{ + if (!dev) + return SBI_ENODEV; + + if (!dev->ops || !dev->ops->cache_flush_all) + return SBI_ENOTSUPP; + + return dev->ops->cache_flush_all(dev); +} diff --git a/lib/utils/cache/objects.mk b/lib/utils/cache/objects.mk new file mode 100644 index 00000000..21d30ce8 --- /dev/null +++ b/lib/utils/cache/objects.mk @@ -0,0 +1,7 @@ +# +# SPDX-License-Identifier: BSD-2-Clause +# +# Copyright (c) 2025 SiFive +# + +libsbiutils-objs-$(CONFIG_CACHE) += cache/cache.o |
