cr50: Add extern "C" to headers used by future fuzzing target.

BRANCH=None
BUG=None
TEST=make -j buildall

Change-Id: Icf2cfb6a2657064c10721c0e527d24fbb3be6ab3
Signed-off-by: Allen Webb <allenwebb@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1330102
Reviewed-by: Mike Frysinger <vapier@chromium.org>

8 files changed, 64 insertions, 0 deletions

diff --git a/include/crypto_api.h b/include/crypto_api.h
index 2628e2bd7b..07bda7f5be 100644
--- a/include/crypto_api.h
+++ b/include/crypto_api.h
@@ -9,6 +9,10 @@
 
 #include "util.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  * Calculate hash of an arbitrary data
  *
@@ -52,4 +56,8 @@ void app_compute_hash(uint8_t *p_buf, size_t num_bytes,
  */
 int app_cipher(const void *salt, void *out, const void *in, size_t size);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __INCLUDE_CRYPTO_API_H */
diff --git a/include/nvmem.h b/include/nvmem.h
index e9fae3d11d..1ca09fff38 100644
--- a/include/nvmem.h
+++ b/include/nvmem.h
@@ -8,6 +8,10 @@
 
 #include "crypto_api.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * In order to provide maximum robustness for NvMem operations, the NvMem space
  * is divided into two equal sized partitions. A partition contains a tag
@@ -201,4 +205,8 @@ void nvmem_disable_commits(void);
  */
 int nvmem_enable_commits(void);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __CROS_EC_NVMEM_UTILS_H */
diff --git a/include/nvmem_vars.h b/include/nvmem_vars.h
index 867ea32018..add14345e7 100644
--- a/include/nvmem_vars.h
+++ b/include/nvmem_vars.h
@@ -6,6 +6,10 @@
 #ifndef __EC_INCLUDE_NVMEM_VARS_H
 #define __EC_INCLUDE_NVMEM_VARS_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * CONFIG_FLASH_NVMEM provides persistent, atomic-update storage in
  * flash. The storage is logically divided into one or more "user regions", as
@@ -84,4 +88,8 @@ int setvar(const uint8_t *key, uint8_t key_len,
  */
 int writevars(void);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif	/* __EC_INCLUDE_NVMEM_VARS_H */
diff --git a/include/panic.h b/include/panic.h
index 8a689c4b23..1984081dd7 100644
--- a/include/panic.h
+++ b/include/panic.h
@@ -13,6 +13,10 @@
 
 #include <stdarg.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* ARM Cortex-Mx registers saved on panic */
 struct cortex_panic_data {
 	uint32_t regs[12];        /* psp, ipsr, msp, r4-r11, lr(=exc_return).
@@ -181,4 +185,8 @@ struct panic_data *panic_get_data(void);
  */
 void chip_panic_data_backup(void);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* __CROS_EC_PANIC_H */
diff --git a/include/pinweaver.h b/include/pinweaver.h
index 1f373ba582..21571da7b0 100644
--- a/include/pinweaver.h
+++ b/include/pinweaver.h
@@ -13,6 +13,10 @@
 #include <common.h>
 #include <pinweaver_types.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define PW_STORAGE_VERSION 0
 
 #define BITS_PER_LEVEL_MIN 1
@@ -177,4 +181,8 @@ int log_remove_leaf(struct label_t label, const uint8_t root[PW_HASH_SIZE]);
 int log_auth(struct label_t label, const uint8_t root[PW_HASH_SIZE], int code,
 	     struct pw_timestamp_t timestamp);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* __CROS_EC_INCLUDE_PINWEAVER_H */
diff --git a/include/pinweaver_tpm_imports.h b/include/pinweaver_tpm_imports.h
index 879bb6bbb8..f1ecd24202 100644
--- a/include/pinweaver_tpm_imports.h
+++ b/include/pinweaver_tpm_imports.h
@@ -16,6 +16,10 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* This is used to get the storage seed from the TPM implementation so
  * TPM_Clear() will break the keys used by PinWeaver so that any metadata
  * that persists on the machine storage is unusable by attackers.
@@ -28,4 +32,8 @@ void get_storage_seed(void *buf, size_t *len);
 uint8_t get_current_pcr_digest(const uint8_t bitmask[2],
 			       uint8_t sha256_of_selected_pcr[32]);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* __CROS_EC_INCLUDE_PINWEAVER_TPM_IMPORTS_H */
diff --git a/include/pinweaver_types.h b/include/pinweaver_types.h
index cc4b5832b3..e8787eb29a 100644
--- a/include/pinweaver_types.h
+++ b/include/pinweaver_types.h
@@ -10,6 +10,10 @@
 
 #include <stdint.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define PW_PACKED __packed
 
 #define PW_PROTOCOL_VERSION 1
@@ -409,4 +413,8 @@ struct PW_PACKED pw_response_t {
  */
 #define PW_MAX_PATH_SIZE 1024
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* __CROS_EC_INCLUDE_PINWEAVER_TYPES_H */
diff --git a/include/util.h b/include/util.h
index 9691669c19..39a07e4b1e 100644
--- a/include/util.h
+++ b/include/util.h
@@ -15,6 +15,10 @@
 #include "builtin/assert.h"         /* For ASSERT(). */
 #include <stddef.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Standard macros / definitions */
 #ifndef MAX
 #define MAX(a, b)					\
@@ -219,4 +223,8 @@ static inline uint64_t mulaa32(uint32_t a, uint32_t b, uint32_t c, uint32_t d)
 }
 #endif
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif  /* __CROS_EC_UTIL_H */