1 files changed, 0 insertions, 47 deletions
diff --git a/arch/arm/lib/semihosting.c b/arch/arm/lib/semihosting.c
deleted file mode 100644
index 7b7669bed06..00000000000
--- a/arch/arm/lib/semihosting.c
+++ /dev/null
@@ -1,47 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2022 Sean Anderson <sean.anderson@seco.com>
- * Copyright 2014 Broadcom Corporation
- */
-
-#include <common.h>
-
-/*
- * Macro to force the compiler to *populate* memory (for an array or struct)
- * before passing the pointer to an inline assembly call.
- */
-#define USE_PTR(ptr) *(const char (*)[]) (ptr)
-
-#if defined(CONFIG_ARM64)
-	#define SMH_TRAP "hlt #0xf000"
-#elif defined(CONFIG_CPU_V7M)
-	#define SMH_TRAP "bkpt #0xAB"
-#elif defined(CONFIG_SYS_THUMB_BUILD)
-	#define SMH_TRAP "svc #0xab"
-#else
-	#define SMH_TRAP "svc #0x123456"
-#endif
-
-/*
- * Call the handler
- */
-long smh_trap(unsigned int sysnum, void *addr)
-{
-	register long result asm("r0");
-	register void *_addr asm("r1") = addr;
-
-	/*
-	 * We need a memory clobber (aka compiler barrier) for two reasons:
-	 * - The compiler needs to populate any data structures pointed to
-	 *   by "addr" *before* the trap instruction is called.
-	 * - At least the SYSREAD function puts the result into memory pointed
-	 *   to by "addr", so the compiler must not use a cached version of
-	 *   the previous content, after the call has finished.
-	 */
-	asm volatile (SMH_TRAP
-		      : "=r" (result)
-		      : "0"(sysnum), "r"(USE_PTR(_addr))
-		      : "memory");
-
-	return result;
-}