Push old Amlogic BL2 sourcesHEADmaster

1 files changed, 782 insertions, 0 deletions

diff --git a/lib/aarch64/sysreg_helpers.S b/lib/aarch64/sysreg_helpers.S
new file mode 100644
index 0000000..925e93e
--- /dev/null
+++ b/lib/aarch64/sysreg_helpers.S
@@ -0,0 +1,782 @@
+/*
+ * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+
+	.globl	read_vbar_el1
+	.globl	read_vbar_el2
+	.globl	read_vbar_el3
+	.globl	write_vbar_el1
+	.globl	write_vbar_el2
+	.globl	write_vbar_el3
+
+	.globl	read_sctlr_el1
+	.globl	read_sctlr_el2
+	.globl	read_sctlr_el3
+	.globl	write_sctlr_el1
+	.globl	write_sctlr_el2
+	.globl	write_sctlr_el3
+
+	.globl	read_actlr_el1
+	.globl	read_actlr_el2
+	.globl	read_actlr_el3
+	.globl	write_actlr_el1
+	.globl	write_actlr_el2
+	.globl	write_actlr_el3
+
+	.globl	read_esr_el1
+	.globl	read_esr_el2
+	.globl	read_esr_el3
+	.globl	write_esr_el1
+	.globl	write_esr_el2
+	.globl	write_esr_el3
+
+	.globl	read_afsr0_el1
+	.globl	read_afsr0_el2
+	.globl	read_afsr0_el3
+	.globl	write_afsr0_el1
+	.globl	write_afsr0_el2
+	.globl	write_afsr0_el3
+
+	.globl	read_afsr1_el1
+	.globl	read_afsr1_el2
+	.globl	read_afsr1_el3
+	.globl	write_afsr1_el1
+	.globl	write_afsr1_el2
+	.globl	write_afsr1_el3
+
+	.globl	read_far_el1
+	.globl	read_far_el2
+	.globl	read_far_el3
+	.globl	write_far_el1
+	.globl	write_far_el2
+	.globl	write_far_el3
+
+	.globl	read_mair_el1
+	.globl	read_mair_el2
+	.globl	read_mair_el3
+	.globl	write_mair_el1
+	.globl	write_mair_el2
+	.globl	write_mair_el3
+
+	.globl	read_amair_el1
+	.globl	read_amair_el2
+	.globl	read_amair_el3
+	.globl	write_amair_el1
+	.globl	write_amair_el2
+	.globl	write_amair_el3
+
+	.globl	read_rvbar_el1
+	.globl	read_rvbar_el2
+	.globl	read_rvbar_el3
+
+	.globl	read_rmr_el1
+	.globl	read_rmr_el2
+	.globl	read_rmr_el3
+	.globl	write_rmr_el1
+	.globl	write_rmr_el2
+	.globl	write_rmr_el3
+
+	.globl	read_tcr_el1
+	.globl	read_tcr_el2
+	.globl	read_tcr_el3
+	.globl	write_tcr_el1
+	.globl	write_tcr_el2
+	.globl	write_tcr_el3
+
+	.globl	read_cptr_el2
+	.globl	read_cptr_el3
+	.globl	write_cptr_el2
+	.globl	write_cptr_el3
+
+	.globl	read_ttbr0_el1
+	.globl	read_ttbr0_el2
+	.globl	read_ttbr0_el3
+	.globl	write_ttbr0_el1
+	.globl	write_ttbr0_el2
+	.globl	write_ttbr0_el3
+
+	.globl	read_ttbr1_el1
+	.globl	write_ttbr1_el1
+
+	.globl	read_cpacr
+	.globl	write_cpacr
+
+	.globl	read_cntfrq
+	.globl	write_cntfrq
+
+	.globl	read_cpuectlr
+	.globl	write_cpuectlr
+
+	.globl	read_cnthctl_el2
+	.globl	write_cnthctl_el2
+
+	.globl	read_cntfrq_el0
+	.globl	write_cntfrq_el0
+
+	.globl	read_cntps_ctl_el1
+	.globl	write_cntps_ctl_el1
+
+	.globl	read_cntps_cval_el1
+	.globl	write_cntps_cval_el1
+
+	.globl	read_cntps_tval_el1
+	.globl	write_cntps_tval_el1
+
+	.globl	read_scr
+	.globl	write_scr
+
+	.globl	read_hcr
+	.globl	write_hcr
+
+	.globl	read_midr
+	.globl	read_mpidr
+
+	.globl	read_cntpct_el0
+	.globl	read_current_el
+	.globl	read_id_pfr1_el1
+	.globl	read_id_aa64pfr0_el1
+
+	.globl	write_tpidr_el3
+	.globl	read_tpidr_el3
+
+#if SUPPORT_VFP
+	.globl	enable_vfp
+#endif
+
+
+func read_current_el
+	mrs	x0, CurrentEl
+	ret
+
+
+func read_id_pfr1_el1
+	mrs	x0, id_pfr1_el1
+	ret
+
+
+func read_id_aa64pfr0_el1
+	mrs	x0, id_aa64pfr0_el1
+	ret
+
+
+	/* -----------------------------------------------------
+	 * VBAR accessors
+	 * -----------------------------------------------------
+	 */
+func read_vbar_el1
+	mrs	x0, vbar_el1
+	ret
+
+
+func read_vbar_el2
+	mrs	x0, vbar_el2
+	ret
+
+
+func read_vbar_el3
+	mrs	x0, vbar_el3
+	ret
+
+
+func write_vbar_el1
+	msr	vbar_el1, x0
+	ret
+
+
+func write_vbar_el2
+	msr	vbar_el2, x0
+	ret
+
+
+func write_vbar_el3
+	msr	vbar_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * AFSR0 accessors
+	 * -----------------------------------------------------
+	 */
+func read_afsr0_el1
+	mrs	x0, afsr0_el1
+	ret
+
+
+func read_afsr0_el2
+	mrs	x0, afsr0_el2
+	ret
+
+
+func read_afsr0_el3
+	mrs	x0, afsr0_el3
+	ret
+
+
+func write_afsr0_el1
+	msr	afsr0_el1, x0
+	ret
+
+
+func write_afsr0_el2
+	msr	afsr0_el2, x0
+	ret
+
+
+func write_afsr0_el3
+	msr	afsr0_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * FAR accessors
+	 * -----------------------------------------------------
+	 */
+func read_far_el1
+	mrs	x0, far_el1
+	ret
+
+
+func read_far_el2
+	mrs	x0, far_el2
+	ret
+
+
+func read_far_el3
+	mrs	x0, far_el3
+	ret
+
+
+func write_far_el1
+	msr	far_el1, x0
+	ret
+
+
+func write_far_el2
+	msr	far_el2, x0
+	ret
+
+
+func write_far_el3
+	msr	far_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * MAIR accessors
+	 * -----------------------------------------------------
+	 */
+func read_mair_el1
+	mrs	x0, mair_el1
+	ret
+
+
+func read_mair_el2
+	mrs	x0, mair_el2
+	ret
+
+
+func read_mair_el3
+	mrs	x0, mair_el3
+	ret
+
+
+func write_mair_el1
+	msr	mair_el1, x0
+	ret
+
+
+func write_mair_el2
+	msr	mair_el2, x0
+	ret
+
+
+func write_mair_el3
+	msr	mair_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * AMAIR accessors
+	 * -----------------------------------------------------
+	 */
+func read_amair_el1
+	mrs	x0, amair_el1
+	ret
+
+
+func read_amair_el2
+	mrs	x0, amair_el2
+	ret
+
+
+func read_amair_el3
+	mrs	x0, amair_el3
+	ret
+
+
+func write_amair_el1
+	msr	amair_el1, x0
+	ret
+
+
+func write_amair_el2
+	msr	amair_el2, x0
+	ret
+
+
+func write_amair_el3
+	msr	amair_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * RVBAR accessors
+	 * -----------------------------------------------------
+	 */
+func read_rvbar_el1
+	mrs	x0, rvbar_el1
+	ret
+
+
+func read_rvbar_el2
+	mrs	x0, rvbar_el2
+	ret
+
+
+func read_rvbar_el3
+	mrs	x0, rvbar_el3
+	ret
+
+
+	/* -----------------------------------------------------
+	 * RMR accessors
+	 * -----------------------------------------------------
+	 */
+func read_rmr_el1
+	mrs	x0, rmr_el1
+	ret
+
+
+func read_rmr_el2
+	mrs	x0, rmr_el2
+	ret
+
+
+func read_rmr_el3
+	mrs	x0, rmr_el3
+	ret
+
+
+func write_rmr_el1
+	msr	rmr_el1, x0
+	ret
+
+
+func write_rmr_el2
+	msr	rmr_el2, x0
+	ret
+
+
+func write_rmr_el3
+	msr	rmr_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * AFSR1 accessors
+	 * -----------------------------------------------------
+	 */
+func read_afsr1_el1
+	mrs	x0, afsr1_el1
+	ret
+
+
+func read_afsr1_el2
+	mrs	x0, afsr1_el2
+	ret
+
+
+func read_afsr1_el3
+	mrs	x0, afsr1_el3
+	ret
+
+
+func write_afsr1_el1
+	msr	afsr1_el1, x0
+	ret
+
+
+func write_afsr1_el2
+	msr	afsr1_el2, x0
+	ret
+
+
+func write_afsr1_el3
+	msr	afsr1_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * SCTLR accessors
+	 * -----------------------------------------------------
+	 */
+func read_sctlr_el1
+	mrs	x0, sctlr_el1
+	ret
+
+
+func read_sctlr_el2
+	mrs	x0, sctlr_el2
+	ret
+
+
+func read_sctlr_el3
+	mrs	x0, sctlr_el3
+	ret
+
+
+func write_sctlr_el1
+	msr	sctlr_el1, x0
+	ret
+
+
+func write_sctlr_el2
+	msr	sctlr_el2, x0
+	ret
+
+
+func write_sctlr_el3
+	msr	sctlr_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * ACTLR accessors
+	 * -----------------------------------------------------
+	 */
+func read_actlr_el1
+	mrs	x0, actlr_el1
+	ret
+
+
+func read_actlr_el2
+	mrs	x0, actlr_el2
+	ret
+
+
+func read_actlr_el3
+	mrs	x0, actlr_el3
+	ret
+
+
+func write_actlr_el1
+	msr	actlr_el1, x0
+	ret
+
+
+func write_actlr_el2
+	msr	actlr_el2, x0
+	ret
+
+
+func write_actlr_el3
+	msr	actlr_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * ESR accessors
+	 * -----------------------------------------------------
+	 */
+func read_esr_el1
+	mrs	x0, esr_el1
+	ret
+
+
+func read_esr_el2
+	mrs	x0, esr_el2
+	ret
+
+
+func read_esr_el3
+	mrs	x0, esr_el3
+	ret
+
+
+func write_esr_el1
+	msr	esr_el1, x0
+	ret
+
+
+func write_esr_el2
+	msr	esr_el2, x0
+	ret
+
+
+func write_esr_el3
+	msr	esr_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * TCR accessors
+	 * -----------------------------------------------------
+	 */
+func read_tcr_el1
+	mrs	x0, tcr_el1
+	ret
+
+
+func read_tcr_el2
+	mrs	x0, tcr_el2
+	ret
+
+
+func read_tcr_el3
+	mrs	x0, tcr_el3
+	ret
+
+
+func write_tcr_el1
+	msr	tcr_el1, x0
+	ret
+
+
+func write_tcr_el2
+	msr	tcr_el2, x0
+	ret
+
+
+func write_tcr_el3
+	msr	tcr_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * CPTR accessors
+	 * -----------------------------------------------------
+	 */
+func read_cptr_el2
+	mrs	x0, cptr_el2
+	ret
+
+
+func read_cptr_el3
+	mrs	x0, cptr_el3
+	ret
+
+
+func write_cptr_el2
+	msr	cptr_el2, x0
+	ret
+
+
+func write_cptr_el3
+	msr	cptr_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * TTBR0 accessors
+	 * -----------------------------------------------------
+	 */
+func read_ttbr0_el1
+	mrs	x0, ttbr0_el1
+	ret
+
+
+func read_ttbr0_el2
+	mrs	x0, ttbr0_el2
+	ret
+
+
+func read_ttbr0_el3
+	mrs	x0, ttbr0_el3
+	ret
+
+
+func write_ttbr0_el1
+	msr	ttbr0_el1, x0
+	ret
+
+
+func write_ttbr0_el2
+	msr	ttbr0_el2, x0
+	ret
+
+
+func write_ttbr0_el3
+	msr	ttbr0_el3, x0
+	ret
+
+
+	/* -----------------------------------------------------
+	 * TTBR1 accessors
+	 * -----------------------------------------------------
+	 */
+func read_ttbr1_el1
+	mrs	x0, ttbr1_el1
+	ret
+
+
+func write_ttbr1_el1
+	msr	ttbr1_el1, x0
+	ret
+
+
+func read_hcr
+	mrs	x0, hcr_el2
+	ret
+
+
+func write_hcr
+	msr	hcr_el2, x0
+	ret
+
+
+func read_cpacr
+	mrs	x0, cpacr_el1
+	ret
+
+
+func write_cpacr
+	msr	cpacr_el1, x0
+	ret
+
+
+func read_cntfrq_el0
+	mrs	x0, cntfrq_el0
+	ret
+
+
+func write_cntfrq_el0
+	msr	cntfrq_el0, x0
+	ret
+
+func read_cntps_ctl_el1
+	mrs	x0, cntps_ctl_el1
+	ret
+
+func write_cntps_ctl_el1
+	msr	cntps_ctl_el1, x0
+	ret
+
+func read_cntps_cval_el1
+	mrs	x0, cntps_cval_el1
+	ret
+
+func write_cntps_cval_el1
+	msr	cntps_cval_el1, x0
+	ret
+
+func read_cntps_tval_el1
+	mrs	x0, cntps_tval_el1
+	ret
+
+func write_cntps_tval_el1
+	msr	cntps_tval_el1, x0
+	ret
+
+func read_cntpct_el0
+	mrs	x0, cntpct_el0
+	ret
+
+func read_cpuectlr
+	mrs	x0, CPUECTLR_EL1
+	ret
+
+
+func write_cpuectlr
+	msr	CPUECTLR_EL1, x0
+	ret
+
+
+func read_cnthctl_el2
+	mrs	x0, cnthctl_el2
+	ret
+
+
+func write_cnthctl_el2
+	msr	cnthctl_el2, x0
+	ret
+
+
+func read_cntfrq
+	mrs	x0, cntfrq_el0
+	ret
+
+
+func write_cntfrq
+	msr	cntfrq_el0, x0
+	ret
+
+
+func write_scr
+	msr	scr_el3, x0
+	ret
+
+
+func read_scr
+	mrs	x0, scr_el3
+	ret
+
+
+func read_midr
+	mrs	x0, midr_el1
+	ret
+
+
+func read_mpidr
+	mrs	x0, mpidr_el1
+	ret
+
+func write_tpidr_el3
+	msr	tpidr_el3, x0
+	ret
+
+func read_tpidr_el3
+	mrs	x0, tpidr_el3
+	ret
+
+#if SUPPORT_VFP
+func enable_vfp
+	mrs	x0, cpacr_el1
+	orr	x0, x0, #CPACR_VFP_BITS
+	msr	cpacr_el1, x0
+	mrs	x0, cptr_el3
+	mov	x1, #AARCH64_CPTR_TFP
+	bic	x0, x0, x1
+	msr	cptr_el3, x0
+	isb
+	ret
+
+#endif