Resguardo inicial

2026-09-06 12:53:21 -06:00
parent 662efe3c2a
commit ad2088d178
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copied from omap44xx-smc.S Copyright (C) 2010 Texas Instruments, Inc.
+ * Copyright 2012 Calxeda, Inc.
+ */
+
+#include <linux/linkage.h>
+
+/*
+ * This is common routine to manage secure monitor API
+ * used to modify the PL310 secure registers.
+ * 'r0' contains the value to be modified and 'r12' contains
+ * the monitor API number.
+ * Function signature : void highbank_smc1(u32 fn, u32 arg)
+ */
+	.arch armv7-a
+	.arch_extension sec
+ENTRY(highbank_smc1)
+	stmfd   sp!, {r4-r11, lr}
+	mov	r12, r0
+	mov 	r0, r1
+	dsb
+	smc	#0
+	ldmfd   sp!, {r4-r11, pc}
+ENDPROC(highbank_smc1)