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authorJoel Challis <git@zvecr.com>2023-01-28 21:07:51 +0000
committerGitHub <noreply@github.com>2023-01-28 21:07:51 +0000
commit8cc2e0e906dd8caadd8198839f57c19deea6c87e (patch)
treed0d72674a0ab074ff8a774ce66d028a6dbe96f73
parent832479c7fbc544a3e8b305af7df9996fa3c5ba00 (diff)
Fix quantum ring_buffer for ChibiOS (#19683)
-rw-r--r--platforms/atomic_util.h10
-rw-r--r--platforms/chibios/atomic_util.h17
-rw-r--r--quantum/ring_buffer.h2
3 files changed, 22 insertions, 7 deletions
diff --git a/platforms/atomic_util.h b/platforms/atomic_util.h
index 2c95302a13..21286d72eb 100644
--- a/platforms/atomic_util.h
+++ b/platforms/atomic_util.h
@@ -24,9 +24,13 @@
# define ATOMIC_BLOCK _Static_assert(0, "ATOMIC_BLOCK not implemented")
# define ATOMIC_BLOCK_RESTORESTATE _Static_assert(0, "ATOMIC_BLOCK_RESTORESTATE not implemented")
# define ATOMIC_BLOCK_FORCEON _Static_assert(0, "ATOMIC_BLOCK_FORCEON not implemented")
+# define ATOMIC_FORCEON _Static_assert(0, "ATOMIC_FORCEON not implemented")
+# define ATOMIC_RESTORESTATE _Static_assert(0, "ATOMIC_RESTORESTATE not implemented")
# endif
#else /* do nothing atomic macro */
-# define ATOMIC_BLOCK for (uint8_t __ToDo = 1; __ToDo; __ToDo = 0)
-# define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK
-# define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK
+# define ATOMIC_BLOCK(t) for (uint8_t __ToDo = 1; __ToDo; __ToDo = 0)
+# define ATOMIC_FORCEON
+# define ATOMIC_RESTORESTATE
+# define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
+# define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK(ATOMIC_FORCEON)
#endif
diff --git a/platforms/chibios/atomic_util.h b/platforms/chibios/atomic_util.h
index 8975045153..234d7fd9f5 100644
--- a/platforms/chibios/atomic_util.h
+++ b/platforms/chibios/atomic_util.h
@@ -30,8 +30,19 @@ static __inline__ void __interrupt_enable__(const uint8_t *__s) {
(void)__s;
}
-#define ATOMIC_BLOCK(type) for (type, __ToDo = __interrupt_disable__(); __ToDo; __ToDo = 0)
-#define ATOMIC_FORCEON uint8_t sreg_save __attribute__((__cleanup__(__interrupt_enable__))) = 0
+static __inline__ syssts_t __interrupt_lock__(void) {
+ return chSysGetStatusAndLockX();
+}
+
+static __inline__ void __interrupt_unlock__(const syssts_t *__s) {
+ chSysRestoreStatusX(*__s);
+
+ __asm__ volatile("" ::: "memory");
+}
+
+#define ATOMIC_BLOCK(type) for (type, __ToDo = 1; __ToDo; __ToDo = 0)
+#define ATOMIC_FORCEON uint8_t status_save __attribute__((__cleanup__(__interrupt_enable__))) = __interrupt_disable__()
+#define ATOMIC_RESTORESTATE syssts_t status_save __attribute__((__cleanup__(__interrupt_unlock__))) = __interrupt_lock__()
-#define ATOMIC_BLOCK_RESTORESTATE _Static_assert(0, "ATOMIC_BLOCK_RESTORESTATE not implemented")
+#define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
#define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK(ATOMIC_FORCEON)
diff --git a/quantum/ring_buffer.h b/quantum/ring_buffer.h
index 85419de11b..54b2bfffd1 100644
--- a/quantum/ring_buffer.h
+++ b/quantum/ring_buffer.h
@@ -1,8 +1,8 @@
#pragma once
-#include <util/atomic.h>
#include <stdint.h>
#include <stdbool.h>
+#include "atomic_util.h"
#ifndef RBUF_SIZE
# define RBUF_SIZE 32