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authorDan Handley <dan.handley@arm.com>2014-04-09 12:48:25 +0100
committerDan Handley <dan.handley@arm.com>2014-05-06 12:35:02 +0100
commit4ecca33988b90de43ec4f4a929094a38a23fda31 (patch)
treead1fa01314b562bfbdac77a39451ef7967c0ff03 /lib/aarch64/sysreg_helpers.S
parentb495bdef190acf166c713e138b61c5bb25402fc0 (diff)
downloadarm-trusted-firmware-4ecca33988b90de43ec4f4a929094a38a23fda31.tar.gz
Move include and source files to logical locations
Move almost all system include files to a logical sub-directory under ./include. The only remaining system include directories not under ./include are specific to the platform. Move the corresponding source files to match the include directory structure. Also remove pm.h as it is no longer used. Change-Id: Ie5ea6368ec5fad459f3e8a802ad129135527f0b3
Diffstat (limited to 'lib/aarch64/sysreg_helpers.S')
-rw-r--r--lib/aarch64/sysreg_helpers.S833
1 files changed, 833 insertions, 0 deletions
diff --git a/lib/aarch64/sysreg_helpers.S b/lib/aarch64/sysreg_helpers.S
new file mode 100644
index 0000000..8e816f0
--- /dev/null
+++ b/lib/aarch64/sysreg_helpers.S
@@ -0,0 +1,833 @@
+/*
+ * 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_helpers.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 read_ttbr1_el2
+ .globl write_ttbr1
+ .globl write_ttbr1_el1
+ .globl write_ttbr1_el2
+
+ .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_scr
+ .globl write_scr
+
+ .globl read_hcr
+ .globl write_hcr
+
+ .globl read_midr
+ .globl read_mpidr
+
+ .globl read_current_el
+ .globl read_id_pfr1_el1
+ .globl read_id_aa64pfr0_el1
+
+#if SUPPORT_VFP
+ .globl enable_vfp
+ .globl read_fpexc
+ .globl write_fpexc
+#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
+ isb
+ ret
+
+
+func write_vbar_el2
+ msr vbar_el2, x0
+ isb
+ ret
+
+
+func write_vbar_el3
+ msr vbar_el3, x0
+ isb
+ 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
+ isb
+ ret
+
+
+func write_afsr0_el2
+ msr afsr0_el2, x0
+ isb
+ ret
+
+
+func write_afsr0_el3
+ msr afsr0_el3, x0
+ isb
+ 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
+ isb
+ ret
+
+
+func write_far_el2
+ msr far_el2, x0
+ isb
+ ret
+
+
+func write_far_el3
+ msr far_el3, x0
+ isb
+ 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
+ isb
+ ret
+
+
+func write_mair_el2
+ msr mair_el2, x0
+ isb
+ ret
+
+
+func write_mair_el3
+ msr mair_el3, x0
+ isb
+ 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
+ isb
+ ret
+
+
+func write_amair_el2
+ msr amair_el2, x0
+ isb
+ ret
+
+
+func write_amair_el3
+ msr amair_el3, x0
+ isb
+ 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
+ isb
+ ret
+
+
+func write_rmr_el2
+ msr rmr_el2, x0
+ isb
+ ret
+
+
+func write_rmr_el3
+ msr rmr_el3, x0
+ isb
+ 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
+ isb
+ ret
+
+
+func write_afsr1_el2
+ msr afsr1_el2, x0
+ isb
+ ret
+
+
+func write_afsr1_el3
+ msr afsr1_el3, x0
+ isb
+ 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
+ dsb sy
+ isb
+ ret
+
+
+func write_sctlr_el2
+ msr sctlr_el2, x0
+ dsb sy
+ isb
+ ret
+
+
+func write_sctlr_el3
+ msr sctlr_el3, x0
+ dsb sy
+ isb
+ 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
+ dsb sy
+ isb
+ ret
+
+
+func write_actlr_el2
+ msr actlr_el2, x0
+ dsb sy
+ isb
+ ret
+
+
+func write_actlr_el3
+ msr actlr_el3, x0
+ dsb sy
+ isb
+ 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
+ dsb sy
+ isb
+ ret
+
+
+func write_esr_el2
+ msr esr_el2, x0
+ dsb sy
+ isb
+ ret
+
+
+func write_esr_el3
+ msr esr_el3, x0
+ dsb sy
+ isb
+ 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
+ dsb sy
+ isb
+ ret
+
+
+func write_tcr_el2
+ msr tcr_el2, x0
+ dsb sy
+ isb
+ ret
+
+
+func write_tcr_el3
+ msr tcr_el3, x0
+ dsb sy
+ isb
+ ret
+
+
+ /* -----------------------------------------------------
+ * CPTR accessors
+ * -----------------------------------------------------
+ */
+func read_cptr_el1
+ b read_cptr_el1
+ ret
+
+
+func read_cptr_el2
+ mrs x0, cptr_el2
+ ret
+
+
+func read_cptr_el3
+ mrs x0, cptr_el3
+ ret
+
+
+func write_cptr_el1
+ b write_cptr_el1
+
+
+func write_cptr_el2
+ msr cptr_el2, x0
+ dsb sy
+ isb
+ ret
+
+
+func write_cptr_el3
+ msr cptr_el3, x0
+ dsb sy
+ isb
+ 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
+ isb
+ ret
+
+
+func write_ttbr0_el2
+ msr ttbr0_el2, x0
+ isb
+ ret
+
+
+func write_ttbr0_el3
+ msr ttbr0_el3, x0
+ isb
+ ret
+
+
+ /* -----------------------------------------------------
+ * TTBR1 accessors
+ * -----------------------------------------------------
+ */
+func read_ttbr1_el1
+ mrs x0, ttbr1_el1
+ ret
+
+
+func read_ttbr1_el2
+ b read_ttbr1_el2
+
+
+func read_ttbr1_el3
+ b read_ttbr1_el3
+
+
+func write_ttbr1_el1
+ msr ttbr1_el1, x0
+ isb
+ ret
+
+
+func write_ttbr1_el2
+ b write_ttbr1_el2
+
+
+func write_ttbr1_el3
+ b write_ttbr1_el3
+
+
+func read_hcr
+ mrs x0, hcr_el2
+ ret
+
+
+func write_hcr
+ msr hcr_el2, x0
+ dsb sy
+ isb
+ 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_cpuectlr
+ mrs x0, CPUECTLR_EL1
+ ret
+
+
+func write_cpuectlr
+ msr CPUECTLR_EL1, x0
+ dsb sy
+ isb
+ 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
+ dsb sy
+ isb
+ 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
+
+
+#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
+ ret
+
+
+func read_fpexc
+ b read_fpexc
+ ret
+
+
+func write_fpexc
+ b write_fpexc
+ ret
+
+#endif