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Diffstat (limited to 'include/lib/aarch64/arch_helpers.h')
| -rw-r--r-- | include/lib/aarch64/arch_helpers.h | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/include/lib/aarch64/arch_helpers.h b/include/lib/aarch64/arch_helpers.h new file mode 100644 index 0000000..b3d2c53 --- /dev/null +++ b/include/lib/aarch64/arch_helpers.h @@ -0,0 +1,292 @@ +/* + * 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. + */ + +#ifndef __ARCH_HELPERS_H__ +#define __ARCH_HELPERS_H__ + +#include <cdefs.h> /* For __dead2 */ + + +/******************************************************************************* + * 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); + +/******************************************************************************* + * 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); + +/******************************************************************************* + * 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); + +void disable_mmu_el3(void); +void disable_mmu_icache_el3(void); + + +void _clean_dcache_addr(unsigned long); +void _clean_invd_dcache_addr(unsigned long); + + +/******************************************************************************* + * 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); + +/******************************************************************************* + * System register accessor prototypes + ******************************************************************************/ +unsigned long read_midr(void); +unsigned long read_mpidr(void); + +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); + +unsigned long read_mair_el1(void); +unsigned long read_mair_el2(void); +unsigned long read_mair_el3(void); + +unsigned long read_amair_el1(void); +unsigned long read_amair_el2(void); +unsigned long read_amair_el3(void); + +unsigned long read_rvbar_el1(void); +unsigned long read_rvbar_el2(void); +unsigned long read_rvbar_el3(void); + +unsigned long read_rmr_el1(void); +unsigned long read_rmr_el2(void); +unsigned long read_rmr_el3(void); + +unsigned long read_tcr_el1(void); +unsigned long read_tcr_el2(void); +unsigned long read_tcr_el3(void); + +unsigned long read_ttbr0_el1(void); +unsigned long read_ttbr0_el2(void); +unsigned long read_ttbr0_el3(void); + +unsigned long read_ttbr1_el1(void); + +unsigned long read_cptr_el2(void); +unsigned long read_cptr_el3(void); + +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); + +unsigned long read_tpidr_el3(void); + +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); + +void write_vbar_el1(unsigned long); +void write_vbar_el2(unsigned long); +void write_vbar_el3(unsigned long); + +void write_sctlr_el1(unsigned long); +void write_sctlr_el2(unsigned long); +void write_sctlr_el3(unsigned long); + +void write_actlr_el1(unsigned long); +void write_actlr_el2(unsigned long); +void write_actlr_el3(unsigned long); + +void write_esr_el1(unsigned long); +void write_esr_el2(unsigned long); +void write_esr_el3(unsigned long); + +void write_afsr0_el1(unsigned long); +void write_afsr0_el2(unsigned long); +void write_afsr0_el3(unsigned long); + +void write_afsr1_el1(unsigned long); +void write_afsr1_el2(unsigned long); +void write_afsr1_el3(unsigned long); + +void write_far_el1(unsigned long); +void write_far_el2(unsigned long); +void write_far_el3(unsigned long); + +void write_mair_el1(unsigned long); +void write_mair_el2(unsigned long); +void write_mair_el3(unsigned long); + +void write_amair_el1(unsigned long); +void write_amair_el2(unsigned long); +void write_amair_el3(unsigned long); + +void write_rmr_el1(unsigned long); +void write_rmr_el2(unsigned long); +void write_rmr_el3(unsigned long); + +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); + +void write_ttbr1_el1(unsigned long); + +void write_cpuectlr(unsigned long); +void write_cptr_el2(unsigned long); +void write_cptr_el3(unsigned long); + +void write_tpidr_el3(unsigned long); + +void remap_zero_address(void); + +#define IS_IN_EL(x) \ + (GET_EL(read_current_el()) == MODE_EL##x) + +#define IS_IN_EL1() IS_IN_EL(1) +#define IS_IN_EL3() IS_IN_EL(3) + + +#endif /* __ARCH_HELPERS_H__ */ |