#ifndef __ARCH_HELPERS_H__
#define __ARCH_HELPERS_H__
-#include <cdefs.h> /* For __dead2 */
-
+#include <arch.h> /* for additional register definitions */
+#include <cdefs.h> /* For __dead2 */
+#include <stdint.h>
+
+/**********************************************************************
+ * Macros which create inline functions to read or write CPU system
+ * registers
+ *********************************************************************/
+
+#define _DEFINE_SYSREG_READ_FUNC(_name, _reg_name) \
+static inline uint64_t read_ ## _name(void) \
+{ \
+ uint64_t v; \
+ __asm__ ("mrs %0, " #_reg_name : "=r" (v)); \
+ return v; \
+}
+
+#define _DEFINE_SYSREG_WRITE_FUNC(_name, _reg_name) \
+static inline void write_ ## _name(uint64_t v) \
+{ \
+ __asm__ ("msr " #_reg_name ", %0" : : "r" (v)); \
+}
+
+#define _DEFINE_SYSREG_WRITE_CONST_FUNC(_name, _reg_name) \
+static inline void write_ ## _name(const uint64_t v) \
+{ \
+ __asm__ ("msr " #_reg_name ", %0" : : "i" (v)); \
+}
+
+/* Define read function for system register */
+#define DEFINE_SYSREG_READ_FUNC(_name) \
+ _DEFINE_SYSREG_READ_FUNC(_name, _name)
+
+/* Define read & write function for system register */
+#define DEFINE_SYSREG_RW_FUNCS(_name) \
+ _DEFINE_SYSREG_READ_FUNC(_name, _name) \
+ _DEFINE_SYSREG_WRITE_FUNC(_name, _name)
+
+/* Define read & write function for renamed system register */
+#define DEFINE_RENAME_SYSREG_RW_FUNCS(_name, _reg_name) \
+ _DEFINE_SYSREG_READ_FUNC(_name, _reg_name) \
+ _DEFINE_SYSREG_WRITE_FUNC(_name, _reg_name)
+
+/* Define write function for special system registers */
+#define DEFINE_SYSREG_WRITE_CONST_FUNC(_name) \
+ _DEFINE_SYSREG_WRITE_CONST_FUNC(_name, _name)
+
+
+/**********************************************************************
+ * Macros to create inline functions for system instructions
+ *********************************************************************/
+
+/* Define function for simple system instruction */
+#define DEFINE_SYSOP_FUNC(_op) \
+static inline void _op() \
+{ \
+ __asm__ (#_op); \
+}
+
+/* Define function for system instruction with type specifier */
+#define DEFINE_SYSOP_TYPE_FUNC(_op, _type) \
+static inline void _op ## _type() \
+{ \
+ __asm__ (#_op " " #_type); \
+}
+
+/* Define function for system instruction with register parameter */
+#define DEFINE_SYSOP_TYPE_PARAM_FUNC(_op, _type) \
+static inline void _op ## _type(uint64_t v) \
+{ \
+ __asm__ (#_op " " #_type ", %0" : : "r" (v)); \
+}
/*******************************************************************************
* Aarch64 translation tables manipulation helper prototypes
- ******************************************************************************/
-unsigned long create_table_desc(unsigned long *next_table_ptr);
-unsigned long create_block_desc(unsigned long desc,
- unsigned long addr,
- unsigned int level);
-unsigned long create_device_block(unsigned long output_addr,
- unsigned int level,
- unsigned int ns);
-unsigned long create_romem_block(unsigned long output_addr,
- unsigned int level,
- unsigned int ns);
-unsigned long create_rwmem_block(unsigned long output_addr,
- unsigned int level,
- unsigned int ns);
+******************************************************************************/
+uint64_t create_table_desc(uint64_t *next_table_ptr);
+uint64_t create_block_desc(uint64_t desc, uint64_t addr, uint32_t level);
+uint64_t create_device_block(uint64_t output_addr, uint32_t level, uint32_t ns);
+uint64_t create_romem_block(uint64_t output_addr, uint32_t level, uint32_t ns);
+uint64_t create_rwmem_block(uint64_t output_addr, uint32_t level, uint32_t ns);
/*******************************************************************************
* TLB maintenance accessor prototypes
******************************************************************************/
-void tlbialle1(void);
-void tlbialle1is(void);
-void tlbialle2(void);
-void tlbialle2is(void);
-void tlbialle3(void);
-void tlbialle3is(void);
-void tlbivmalle1(void);
+DEFINE_SYSOP_TYPE_FUNC(tlbi, alle1)
+DEFINE_SYSOP_TYPE_FUNC(tlbi, alle1is)
+DEFINE_SYSOP_TYPE_FUNC(tlbi, alle2)
+DEFINE_SYSOP_TYPE_FUNC(tlbi, alle2is)
+DEFINE_SYSOP_TYPE_FUNC(tlbi, alle3)
+DEFINE_SYSOP_TYPE_FUNC(tlbi, alle3is)
+DEFINE_SYSOP_TYPE_FUNC(tlbi, vmalle1)
/*******************************************************************************
* Cache maintenance accessor prototypes
******************************************************************************/
-void dcisw(unsigned long);
-void dccisw(unsigned long);
-void dccsw(unsigned long);
-void dccvac(unsigned long);
-void dcivac(unsigned long);
-void dccivac(unsigned long);
-void dccvau(unsigned long);
-void dczva(unsigned long);
-void flush_dcache_range(unsigned long, unsigned long);
-void inv_dcache_range(unsigned long, unsigned long);
-void dcsw_op_louis(unsigned int);
-void dcsw_op_all(unsigned int);
+DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, isw)
+DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, cisw)
+DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, csw)
+DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, cvac)
+DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, ivac)
+DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, civac)
+DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, cvau)
+DEFINE_SYSOP_TYPE_PARAM_FUNC(dc, zva)
+
+void flush_dcache_range(uint64_t, uint64_t);
+void inv_dcache_range(uint64_t, uint64_t);
+void dcsw_op_louis(uint32_t);
+void dcsw_op_all(uint32_t);
void disable_mmu_el3(void);
void disable_mmu_icache_el3(void);
/*******************************************************************************
* Misc. accessor prototypes
******************************************************************************/
-void enable_irq(void);
-void enable_fiq(void);
-void enable_serror(void);
-void enable_debug_exceptions(void);
-
-void disable_irq(void);
-void disable_fiq(void);
-void disable_serror(void);
-void disable_debug_exceptions(void);
-
-unsigned long read_id_pfr1_el1(void);
-unsigned long read_id_aa64pfr0_el1(void);
-unsigned long read_current_el(void);
-unsigned long read_daif(void);
-unsigned long read_spsr_el1(void);
-unsigned long read_spsr_el2(void);
-unsigned long read_spsr_el3(void);
-unsigned long read_elr_el1(void);
-unsigned long read_elr_el2(void);
-unsigned long read_elr_el3(void);
-
-void write_daif(unsigned long);
-void write_spsr_el1(unsigned long);
-void write_spsr_el2(unsigned long);
-void write_spsr_el3(unsigned long);
-void write_elr_el1(unsigned long);
-void write_elr_el2(unsigned long);
-void write_elr_el3(unsigned long);
-
-void wfi(void);
-void wfe(void);
-void rfe(void);
-void sev(void);
-void dsb(void);
-void isb(void);
-
-unsigned int get_afflvl_shift(unsigned int);
-unsigned int mpidr_mask_lower_afflvls(unsigned long, unsigned int);
-
-void __dead2 eret(unsigned long, unsigned long,
- unsigned long, unsigned long,
- unsigned long, unsigned long,
- unsigned long, unsigned long);
-
-void __dead2 smc(unsigned long, unsigned long,
- unsigned long, unsigned long,
- unsigned long, unsigned long,
- unsigned long, unsigned long);
+
+DEFINE_SYSREG_WRITE_CONST_FUNC(daifset)
+DEFINE_SYSREG_WRITE_CONST_FUNC(daifclr)
+
+#define enable_irq() write_daifclr(DAIF_IRQ_BIT)
+#define enable_fiq() write_daifclr(DAIF_FIQ_BIT)
+#define enable_serror() write_daifclr(DAIF_ABT_BIT)
+#define enable_debug_exceptions() write_daifclr(DAIF_DBG_BIT)
+#define disable_irq() write_daifset(DAIF_IRQ_BIT)
+#define disable_fiq() write_daifset(DAIF_FIQ_BIT)
+#define disable_serror() write_daifset(DAIF_ABT_BIT)
+#define disable_debug_exceptions() write_daifset(DAIF_DBG_BIT)
+
+DEFINE_SYSREG_READ_FUNC(id_pfr1_el1)
+DEFINE_SYSREG_READ_FUNC(id_aa64pfr0_el1)
+DEFINE_SYSREG_READ_FUNC(CurrentEl)
+DEFINE_SYSREG_RW_FUNCS(daif)
+DEFINE_SYSREG_RW_FUNCS(spsr_el1)
+DEFINE_SYSREG_RW_FUNCS(spsr_el2)
+DEFINE_SYSREG_RW_FUNCS(spsr_el3)
+DEFINE_SYSREG_RW_FUNCS(elr_el1)
+DEFINE_SYSREG_RW_FUNCS(elr_el2)
+DEFINE_SYSREG_RW_FUNCS(elr_el3)
+
+DEFINE_SYSOP_FUNC(wfi)
+DEFINE_SYSOP_FUNC(wfe)
+DEFINE_SYSOP_FUNC(sev)
+DEFINE_SYSOP_TYPE_FUNC(dsb, sy)
+DEFINE_SYSOP_FUNC(isb)
+
+uint32_t get_afflvl_shift(uint32_t);
+uint32_t mpidr_mask_lower_afflvls(uint64_t, uint32_t);
+
+
+void __dead2 eret(uint64_t x0, uint64_t x1, uint64_t x2, uint64_t x3,
+ uint64_t x4, uint64_t x5, uint64_t x6, uint64_t x7);
+void __dead2 smc(uint64_t x0, uint64_t x1, uint64_t x2, uint64_t x3,
+ uint64_t x4, uint64_t x5, uint64_t x6, uint64_t x7);
/*******************************************************************************
* System register accessor prototypes
******************************************************************************/
-unsigned long read_midr(void);
-unsigned long read_mpidr(void);
+DEFINE_SYSREG_READ_FUNC(midr_el1)
+DEFINE_SYSREG_READ_FUNC(mpidr_el1)
-unsigned long read_scr(void);
-unsigned long read_hcr(void);
-
-unsigned long read_vbar_el1(void);
-unsigned long read_vbar_el2(void);
-unsigned long read_vbar_el3(void);
-
-unsigned long read_sctlr_el1(void);
-unsigned long read_sctlr_el2(void);
-unsigned long read_sctlr_el3(void);
-
-unsigned long read_actlr_el1(void);
-unsigned long read_actlr_el2(void);
-unsigned long read_actlr_el3(void);
-
-unsigned long read_esr_el1(void);
-unsigned long read_esr_el2(void);
-unsigned long read_esr_el3(void);
-
-unsigned long read_afsr0_el1(void);
-unsigned long read_afsr0_el2(void);
-unsigned long read_afsr0_el3(void);
-
-unsigned long read_afsr1_el1(void);
-unsigned long read_afsr1_el2(void);
-unsigned long read_afsr1_el3(void);
-
-unsigned long read_far_el1(void);
-unsigned long read_far_el2(void);
-unsigned long read_far_el3(void);
+DEFINE_SYSREG_RW_FUNCS(scr_el3)
+DEFINE_SYSREG_RW_FUNCS(hcr_el2)
-unsigned long read_mair_el1(void);
-unsigned long read_mair_el2(void);
-unsigned long read_mair_el3(void);
+DEFINE_SYSREG_RW_FUNCS(vbar_el1)
+DEFINE_SYSREG_RW_FUNCS(vbar_el2)
+DEFINE_SYSREG_RW_FUNCS(vbar_el3)
-unsigned long read_amair_el1(void);
-unsigned long read_amair_el2(void);
-unsigned long read_amair_el3(void);
+DEFINE_SYSREG_RW_FUNCS(sctlr_el1)
+DEFINE_SYSREG_RW_FUNCS(sctlr_el2)
+DEFINE_SYSREG_RW_FUNCS(sctlr_el3)
-unsigned long read_rvbar_el1(void);
-unsigned long read_rvbar_el2(void);
-unsigned long read_rvbar_el3(void);
+DEFINE_SYSREG_RW_FUNCS(actlr_el1)
+DEFINE_SYSREG_RW_FUNCS(actlr_el2)
+DEFINE_SYSREG_RW_FUNCS(actlr_el3)
-unsigned long read_rmr_el1(void);
-unsigned long read_rmr_el2(void);
-unsigned long read_rmr_el3(void);
+DEFINE_SYSREG_RW_FUNCS(esr_el1)
+DEFINE_SYSREG_RW_FUNCS(esr_el2)
+DEFINE_SYSREG_RW_FUNCS(esr_el3)
-unsigned long read_tcr_el1(void);
-unsigned long read_tcr_el2(void);
-unsigned long read_tcr_el3(void);
+DEFINE_SYSREG_RW_FUNCS(afsr0_el1)
+DEFINE_SYSREG_RW_FUNCS(afsr0_el2)
+DEFINE_SYSREG_RW_FUNCS(afsr0_el3)
-unsigned long read_ttbr0_el1(void);
-unsigned long read_ttbr0_el2(void);
-unsigned long read_ttbr0_el3(void);
+DEFINE_SYSREG_RW_FUNCS(afsr1_el1)
+DEFINE_SYSREG_RW_FUNCS(afsr1_el2)
+DEFINE_SYSREG_RW_FUNCS(afsr1_el3)
-unsigned long read_ttbr1_el1(void);
+DEFINE_SYSREG_RW_FUNCS(far_el1)
+DEFINE_SYSREG_RW_FUNCS(far_el2)
+DEFINE_SYSREG_RW_FUNCS(far_el3)
-unsigned long read_cptr_el2(void);
-unsigned long read_cptr_el3(void);
+DEFINE_SYSREG_RW_FUNCS(mair_el1)
+DEFINE_SYSREG_RW_FUNCS(mair_el2)
+DEFINE_SYSREG_RW_FUNCS(mair_el3)
-unsigned long read_cpacr(void);
-unsigned long read_cpuectlr(void);
-unsigned int read_cntfrq_el0(void);
-unsigned int read_cntps_ctl_el1(void);
-unsigned int read_cntps_tval_el1(void);
-unsigned long read_cntps_cval_el1(void);
-unsigned long read_cntpct_el0(void);
-unsigned long read_cnthctl_el2(void);
+DEFINE_SYSREG_RW_FUNCS(amair_el1)
+DEFINE_SYSREG_RW_FUNCS(amair_el2)
+DEFINE_SYSREG_RW_FUNCS(amair_el3)
-unsigned long read_tpidr_el3(void);
+DEFINE_SYSREG_READ_FUNC(rvbar_el1)
+DEFINE_SYSREG_READ_FUNC(rvbar_el2)
+DEFINE_SYSREG_READ_FUNC(rvbar_el3)
-void write_scr(unsigned long);
-void write_hcr(unsigned long);
-void write_cpacr(unsigned long);
-void write_cntfrq_el0(unsigned int);
-void write_cntps_ctl_el1(unsigned int);
-void write_cntps_tval_el1(unsigned int);
-void write_cntps_cval_el1(unsigned long);
-void write_cnthctl_el2(unsigned long);
+DEFINE_SYSREG_RW_FUNCS(rmr_el1)
+DEFINE_SYSREG_RW_FUNCS(rmr_el2)
+DEFINE_SYSREG_RW_FUNCS(rmr_el3)
-void write_vbar_el1(unsigned long);
-void write_vbar_el2(unsigned long);
-void write_vbar_el3(unsigned long);
+DEFINE_SYSREG_RW_FUNCS(tcr_el1)
+DEFINE_SYSREG_RW_FUNCS(tcr_el2)
+DEFINE_SYSREG_RW_FUNCS(tcr_el3)
-void write_sctlr_el1(unsigned long);
-void write_sctlr_el2(unsigned long);
-void write_sctlr_el3(unsigned long);
+DEFINE_SYSREG_RW_FUNCS(ttbr0_el1)
+DEFINE_SYSREG_RW_FUNCS(ttbr0_el2)
+DEFINE_SYSREG_RW_FUNCS(ttbr0_el3)
-void write_actlr_el1(unsigned long);
-void write_actlr_el2(unsigned long);
-void write_actlr_el3(unsigned long);
+DEFINE_SYSREG_RW_FUNCS(ttbr1_el1)
-void write_esr_el1(unsigned long);
-void write_esr_el2(unsigned long);
-void write_esr_el3(unsigned long);
+DEFINE_SYSREG_RW_FUNCS(cptr_el2)
+DEFINE_SYSREG_RW_FUNCS(cptr_el3)
-void write_afsr0_el1(unsigned long);
-void write_afsr0_el2(unsigned long);
-void write_afsr0_el3(unsigned long);
+DEFINE_SYSREG_RW_FUNCS(cpacr_el1)
+DEFINE_SYSREG_RW_FUNCS(cntfrq_el0)
+DEFINE_SYSREG_RW_FUNCS(cntps_ctl_el1)
+DEFINE_SYSREG_RW_FUNCS(cntps_tval_el1)
+DEFINE_SYSREG_RW_FUNCS(cntps_cval_el1)
+DEFINE_SYSREG_READ_FUNC(cntpct_el0)
+DEFINE_SYSREG_RW_FUNCS(cnthctl_el2)
-void write_afsr1_el1(unsigned long);
-void write_afsr1_el2(unsigned long);
-void write_afsr1_el3(unsigned long);
+DEFINE_SYSREG_RW_FUNCS(tpidr_el3)
-void write_far_el1(unsigned long);
-void write_far_el2(unsigned long);
-void write_far_el3(unsigned long);
+/* Implementation specific registers */
-void write_mair_el1(unsigned long);
-void write_mair_el2(unsigned long);
-void write_mair_el3(unsigned long);
+DEFINE_RENAME_SYSREG_RW_FUNCS(cpuectlr_el1, CPUECTLR_EL1)
-void write_amair_el1(unsigned long);
-void write_amair_el2(unsigned long);
-void write_amair_el3(unsigned long);
+/* GICv3 System Registers */
-void write_rmr_el1(unsigned long);
-void write_rmr_el2(unsigned long);
-void write_rmr_el3(unsigned long);
+DEFINE_RENAME_SYSREG_RW_FUNCS(icc_sre_el1, ICC_SRE_EL1)
+DEFINE_RENAME_SYSREG_RW_FUNCS(icc_sre_el2, ICC_SRE_EL2)
+DEFINE_RENAME_SYSREG_RW_FUNCS(icc_sre_el3, ICC_SRE_EL3)
+DEFINE_RENAME_SYSREG_RW_FUNCS(icc_pmr_el1, ICC_PMR_EL1)
-void write_tcr_el1(unsigned long);
-void write_tcr_el2(unsigned long);
-void write_tcr_el3(unsigned long);
-void write_ttbr0_el1(unsigned long);
-void write_ttbr0_el2(unsigned long);
-void write_ttbr0_el3(unsigned long);
+#define IS_IN_EL(x) \
+ (GET_EL(read_CurrentEl()) == MODE_EL##x)
-void write_ttbr1_el1(unsigned long);
+#define IS_IN_EL1() IS_IN_EL(1)
+#define IS_IN_EL3() IS_IN_EL(3)
-void write_cpuectlr(unsigned long);
-void write_cptr_el2(unsigned long);
-void write_cptr_el3(unsigned long);
+/* Previously defined accesor functions with incomplete register names */
-void write_tpidr_el3(unsigned long);
+#define read_current_el() read_CurrentEl()
-#define IS_IN_EL(x) \
- (GET_EL(read_current_el()) == MODE_EL##x)
+#define dsb() dsbsy()
-#define IS_IN_EL1() IS_IN_EL(1)
-#define IS_IN_EL3() IS_IN_EL(3)
+#define read_midr() read_midr_el1()
+
+#define read_mpidr() read_mpidr_el1()
+
+#define read_scr() read_scr_el3()
+#define write_scr(_v) write_scr_el3(_v)
+
+#define read_hcr() read_hcr_el2()
+#define write_hcr(_v) write_hcr_el2(_v)
+
+#define read_cpuectlr() read_cpuectlr_el1()
+#define write_cpuectlr(_v) write_cpuectlr_el1(_v)
+#define read_cpacr() read_cpacr_el1()
+#define write_cpacr(_v) write_cpacr_el1(_v)
#endif /* __ARCH_HELPERS_H__ */
+++ /dev/null
-/*
- * 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
projects / arm-tf.git / commitdiff