[S] Change in coreboot[master]: arm64/armv8: Use 'enum cb_err'

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/68370 )

Change subject: arm64/armv8: Use 'enum cb_err'
......................................................................

arm64/armv8: Use 'enum cb_err'

Change-Id: Ic4ce44865544c94c39e8582780a7eca7876f5c38
Signed-off-by: Elyes Haouas 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68370
Tested-by: build bot (Jenkins) 
Reviewed-by: Julius Werner 
---
M src/arch/arm64/armv8/exception.c
M src/arch/arm64/include/armv8/arch/exception.h
2 files changed, 23 insertions(+), 9 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Julius Werner: Looks good to me, approved

diff --git a/src/arch/arm64/armv8/exception.c b/src/arch/arm64/armv8/exception.c
index f3a0755..80b619d 100644
--- a/src/arch/arm64/armv8/exception.c
+++ b/src/arch/arm64/armv8/exception.c
@@ -65,25 +65,25 @@

static struct exception_handler *handlers[NUM_EXC_VIDS];

-int exception_handler_register(uint64_t vid, struct exception_handler *h)
+enum cb_err exception_handler_register(uint64_t vid, struct exception_handler *h)
 {
    if (vid >= NUM_EXC_VIDS)
-		return -1;
+		return CB_ERR;

/* Just place at head of queue. */
    h->next = handlers[vid];
    store_release(&handlers[vid], h);

-	return 0;
+	return CB_SUCCESS;
 }

-int exception_handler_unregister(uint64_t vid, struct exception_handler *h)
+enum cb_err exception_handler_unregister(uint64_t vid, struct exception_handler *h)
 {
    struct exception_handler *cur;
    struct exception_handler **prev;

if (vid >= NUM_EXC_VIDS)
-		return -1;
+		return CB_ERR;

prev = &handlers[vid];

@@ -92,11 +92,11 @@
    		continue;
    	/* Update previous pointer. */
    	store_release(prev, cur->next);
-		return 0;
+		return CB_SUCCESS;
    }

/* Not found */
-	return -1;
+	return CB_ERR;
 }

static void print_exception_info(struct exc_state *state, uint64_t idx)
diff --git a/src/arch/arm64/include/armv8/arch/exception.h b/src/arch/arm64/include/armv8/arch/exception.h
index 72ed772..2c5b7f9 100644
--- a/src/arch/arm64/include/armv8/arch/exception.h
+++ b/src/arch/arm64/include/armv8/arch/exception.h
@@ -4,6 +4,7 @@
 #define _ARCH_EXCEPTION_H

#include <arch/transition.h>
+#include <types.h>

/* Initialize the exception handling on the current CPU. */
 void exception_init(void);
@@ -31,12 +32,12 @@
  * Register a handler provided with the associated vector id. Returns 0 on
  * success, < 0 on error. Note that registration is not thread/interrupt safe.
  */
-int exception_handler_register(uint64_t vid, struct exception_handler *h);
+enum cb_err exception_handler_register(uint64_t vid, struct exception_handler *h);

/*
  * Unregister a handler from the vector id. Return 0 on success, < 0 on error.
  * Note that the unregistration is not thread/interrupt safe.
  */
-int exception_handler_unregister(uint64_t vid, struct exception_handler *h);
+enum cb_err exception_handler_unregister(uint64_t vid, struct exception_handler *h);

#endif