diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/arm64/armv8/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/arch/arm64/armv8/cache.c | 8 | ||||
| -rw-r--r-- | src/arch/arm64/armv8/exception.c | 4 | ||||
| -rw-r--r-- | src/arch/arm64/armv8/lib/Makefile.inc | 36 | ||||
| -rw-r--r-- | src/arch/arm64/armv8/lib/cache.c | 77 | ||||
| -rw-r--r-- | src/arch/arm64/armv8/lib/pstate.c | 392 | ||||
| -rw-r--r-- | src/arch/arm64/armv8/lib/sysctrl.c | 777 | ||||
| -rw-r--r-- | src/arch/arm64/armv8/lib/tlb.c | 60 | ||||
| -rw-r--r-- | src/arch/arm64/include/armv8/arch/cache.h | 21 | ||||
| -rw-r--r-- | src/arch/arm64/include/armv8/arch/lib_helpers.h | 403 |
10 files changed, 244 insertions, 1536 deletions
diff --git a/src/arch/arm64/armv8/Makefile.inc b/src/arch/arm64/armv8/Makefile.inc index db7bd33793..44ebdef815 100644 --- a/src/arch/arm64/armv8/Makefile.inc +++ b/src/arch/arm64/armv8/Makefile.inc @@ -15,8 +15,6 @@ ## ################################################################################ -subdirs-y += lib/ - ifeq ($(CONFIG_ARCH_ARMV8_EXTENSION),0) march = armv8-a else diff --git a/src/arch/arm64/armv8/cache.c b/src/arch/arm64/armv8/cache.c index 2e63db3bbb..46dc85958d 100644 --- a/src/arch/arm64/armv8/cache.c +++ b/src/arch/arm64/armv8/cache.c @@ -37,14 +37,6 @@ #include <arch/lib_helpers.h> #include <program_loading.h> -void tlb_invalidate_all(void) -{ - /* TLBIALL includes dTLB and iTLB on systems that have them. */ - tlbiall_el3(); - dsb(); - isb(); -} - unsigned int dcache_line_bytes(void) { uint32_t ctr_el0; diff --git a/src/arch/arm64/armv8/exception.c b/src/arch/arm64/armv8/exception.c index 924c344e13..e32c79a85a 100644 --- a/src/arch/arm64/armv8/exception.c +++ b/src/arch/arm64/armv8/exception.c @@ -78,9 +78,9 @@ static void print_regs(struct exc_state *exc_state) struct elx_state *elx = &exc_state->elx; struct regs *regs = &exc_state->regs; - printk(BIOS_DEBUG, "ELR = 0x%016llx ESR = 0x%08x\n", + printk(BIOS_DEBUG, "ELR = 0x%016llx ESR = 0x%08llx\n", elx->elr, raw_read_esr_el3()); - printk(BIOS_DEBUG, "FAR = 0x%016llx SPSR = 0x%08x\n", + printk(BIOS_DEBUG, "FAR = 0x%016llx SPSR = 0x%08llx\n", raw_read_far_el3(), raw_read_spsr_el3()); for (i = 0; i < 30; i += 2) { printk(BIOS_DEBUG, diff --git a/src/arch/arm64/armv8/lib/Makefile.inc b/src/arch/arm64/armv8/lib/Makefile.inc deleted file mode 100644 index 8fc44de5b6..0000000000 --- a/src/arch/arm64/armv8/lib/Makefile.inc +++ /dev/null @@ -1,36 +0,0 @@ -################################################################################ -## This file is part of the coreboot project. -## -## Copyright (C) 2014 Google Inc -## -## This program is free software; you can redistribute it and/or -## modify it under the terms of the GNU General Public License as -## published by the Free Software Foundation; version 2 of -## the License. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## -################################################################################ - -lib_access = pstate.c sysctrl.c cache.c tlb.c - -ifeq ($(CONFIG_ARCH_BOOTBLOCK_ARMV8_64),y) -decompressor-y += $(lib_access) -bootblock-y += $(lib_access) -endif - -ifeq ($(CONFIG_ARCH_VERSTAGE_ARMV8_64),y) -verstage-y += $(lib_access) -endif - -ifeq ($(CONFIG_ARCH_ROMSTAGE_ARMV8_64),y) -romstage-y += $(lib_access) -endif - -ifeq ($(CONFIG_ARCH_RAMSTAGE_ARMV8_64),y) -ramstage-y += $(lib_access) - -endif diff --git a/src/arch/arm64/armv8/lib/cache.c b/src/arch/arm64/armv8/lib/cache.c deleted file mode 100644 index 0c621ef96d..0000000000 --- a/src/arch/arm64/armv8/lib/cache.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2014 Google Inc - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; version 2 of - * the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * cache.c: Cache Maintenance Instructions - * Reference: ARM Architecture Reference Manual, ARMv8-A edition - */ - -#include <stdint.h> - -#include <arch/lib_helpers.h> - -void dccisw(uint64_t cisw) -{ - __asm__ __volatile__("dc cisw, %0\n\t" : : "r" (cisw) : "memory"); -} - -void dccivac(uint64_t civac) -{ - __asm__ __volatile__("dc civac, %0\n\t" : : "r" (civac) : "memory"); -} - -void dccsw(uint64_t csw) -{ - __asm__ __volatile__("dc csw, %0\n\t" : : "r" (csw) : "memory"); -} - -void dccvac(uint64_t cvac) -{ - __asm__ __volatile__("dc cvac, %0\n\t" : : "r" (cvac) : "memory"); -} - -void dccvau(uint64_t cvau) -{ - __asm__ __volatile__("dc cvau, %0\n\t" : : "r" (cvau) : "memory"); -} - -void dcisw(uint64_t isw) -{ - __asm__ __volatile__("dc isw, %0\n\t" : : "r" (isw) : "memory"); -} - -void dcivac(uint64_t ivac) -{ - __asm__ __volatile__("dc ivac, %0\n\t" : : "r" (ivac) : "memory"); -} - -void dczva(uint64_t zva) -{ - __asm__ __volatile__("dc zva, %0\n\t" : : "r" (zva) : "memory"); -} - -void iciallu(void) -{ - __asm__ __volatile__("ic iallu\n\t" : : : "memory"); -} - -void icialluis(void) -{ - __asm__ __volatile__("ic ialluis\n\t" : : : "memory"); -} - -void icivau(uint64_t ivau) -{ - __asm__ __volatile__("ic ivau, %0\n\t" : : "r" (ivau) : "memory"); -} diff --git a/src/arch/arm64/armv8/lib/pstate.c b/src/arch/arm64/armv8/lib/pstate.c deleted file mode 100644 index 631974f6e0..0000000000 --- a/src/arch/arm64/armv8/lib/pstate.c +++ /dev/null @@ -1,392 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2014 Google Inc - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; version 2 of - * the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * Reference: ARM Architecture Reference Manual, ARMv8-A edition - * pstate.c: This file defines all the library functions for accessing - * PSTATE and special purpose registers - */ - -#include <stdint.h> - -#include <arch/lib_helpers.h> - -/* CurrentEL */ -uint32_t raw_read_current_el(void) -{ - uint64_t current_el; - - __asm__ __volatile__("mrs %0, CurrentEL\n\t" : "=r" (current_el) : : "memory"); - - return current_el; -} - -/* DAIF */ -uint32_t raw_read_daif(void) -{ - uint64_t daif; - - __asm__ __volatile__("mrs %0, DAIF\n\t" : "=r" (daif) : : "memory"); - - return daif; -} - -void raw_write_daif(uint32_t daif) -{ - __asm__ __volatile__("msr DAIF, %0\n\t" : : "r" ((uint64_t)daif) : "memory"); -} - -void enable_debug_exceptions(void) -{ - __asm__ __volatile__("msr DAIFClr, %0\n\t" : : "i" (DAIF_DBG_BIT) : "memory"); -} - -void enable_serror_exceptions(void) -{ - __asm__ __volatile__("msr DAIFClr, %0\n\t" : : "i" (DAIF_ABT_BIT) : "memory"); -} - -void enable_irq(void) -{ - __asm__ __volatile__("msr DAIFClr, %0\n\t" : : "i" (DAIF_IRQ_BIT) : "memory"); -} - -void enable_fiq(void) -{ - __asm__ __volatile__("msr DAIFClr, %0\n\t" : : "i" (DAIF_FIQ_BIT) : "memory"); -} - -void disable_debug_exceptions(void) -{ - __asm__ __volatile__("msr DAIFSet, %0\n\t" : : "i" (DAIF_DBG_BIT) : "memory"); -} - -void disable_serror_exceptions(void) -{ - __asm__ __volatile__("msr DAIFSet, %0\n\t" : : "i" (DAIF_ABT_BIT) : "memory"); -} - -void disable_irq(void) -{ - __asm__ __volatile__("msr DAIFSet, %0\n\t" : : "i" (DAIF_IRQ_BIT) : "memory"); -} - -void disable_fiq(void) -{ - __asm__ __volatile__("msr DAIFSet, %0\n\t" : : "i" (DAIF_FIQ_BIT) : "memory"); -} - -/* DLR_EL0 */ -uint64_t raw_read_dlr_el0(void) -{ - uint64_t dlr_el0; - - __asm__ __volatile__("mrs %0, DLR_EL0\n\t" : "=r" (dlr_el0) : : "memory"); - - return dlr_el0; -} -void raw_write_dlr_el0(uint64_t dlr_el0) -{ - __asm__ __volatile__("msr DLR_EL0, %0\n\t" : : "r" (dlr_el0) : "memory"); -} - -/* DSPSR_EL0 */ -uint64_t raw_read_dspsr_el0(void) -{ - uint64_t dspsr_el0; - - __asm__ __volatile__("mrs %0, DSPSR_EL0\n\t" : "=r" (dspsr_el0) : : "memory"); - - return dspsr_el0; -} -void raw_write_dspsr_el0(uint64_t dspsr_el0) -{ - __asm__ __volatile__("msr DSPSR_EL0, %0\n\t" : : "r" (dspsr_el0) : "memory"); -} - -/* ELR */ -uint64_t raw_read_elr_el1(void) -{ - uint64_t elr_el1; - - __asm__ __volatile__("mrs %0, ELR_EL1\n\t" : "=r" (elr_el1) : : "memory"); - - return elr_el1; -} - -void raw_write_elr_el1(uint64_t elr_el1) -{ - __asm__ __volatile__("msr ELR_EL1, %0\n\t" : : "r" (elr_el1) : "memory"); -} - -uint64_t raw_read_elr_el2(void) -{ - uint64_t elr_el2; - - __asm__ __volatile__("mrs %0, ELR_EL2\n\t" : "=r" (elr_el2) : : "memory"); - - return elr_el2; -} - -void raw_write_elr_el2(uint64_t elr_el2) -{ - __asm__ __volatile__("msr ELR_EL2, %0\n\t" : : "r" (elr_el2) : "memory"); -} - -uint64_t raw_read_elr_el3(void) -{ - uint64_t elr_el3; - - __asm__ __volatile__("mrs %0, ELR_EL3\n\t" : "=r" (elr_el3) : : "memory"); - - return elr_el3; -} - -void raw_write_elr_el3(uint64_t elr_el3) -{ - __asm__ __volatile__("msr ELR_EL3, %0\n\t" : : "r" (elr_el3) : "memory"); -} - -/* FPCR */ -uint32_t raw_read_fpcr(void) -{ - uint64_t fpcr; - - __asm__ __volatile__("mrs %0, FPCR\n\t" : "=r" (fpcr) : : "memory"); - - return fpcr; -} - -void raw_write_fpcr(uint32_t fpcr) -{ - __asm__ __volatile__("msr FPCR, %0\n\t" : : "r" ((uint64_t)fpcr) : "memory"); -} - -/* FPSR */ -uint32_t raw_read_fpsr(void) -{ - uint64_t fpsr; - - __asm__ __volatile__("mrs %0, FPSR\n\t" : "=r" (fpsr) : : "memory"); - - return fpsr; -} - -void raw_write_fpsr(uint32_t fpsr) -{ - __asm__ __volatile__("msr FPSR, %0\n\t" : : "r" ((uint64_t)fpsr) : "memory"); -} - -/* NZCV */ -uint32_t raw_read_nzcv(void) -{ - uint64_t nzcv; - - __asm__ __volatile__("mrs %0, NZCV\n\t" : "=r" (nzcv) : : "memory"); - - return nzcv; -} - -void raw_write_nzcv(uint32_t nzcv) -{ - __asm__ __volatile__("msr NZCV, %0\n\t" : : "r" ((uint64_t)nzcv) : "memory"); -} - -/* SP */ -uint64_t raw_read_sp_el0(void) -{ - uint64_t sp_el0; - - __asm__ __volatile__("mrs %0, SP_EL0\n\t" : "=r" (sp_el0) : : "memory"); - - return sp_el0; -} - -void raw_write_sp_el0(uint64_t sp_el0) -{ - __asm__ __volatile__("msr SP_EL0, %0\n\t" : : "r" (sp_el0) : "memory"); -} - -uint64_t raw_read_sp_el1(void) -{ - uint64_t sp_el1; - - __asm__ __volatile__("mrs %0, SP_EL1\n\t" : "=r" (sp_el1) : : "memory"); - - return sp_el1; -} - -void raw_write_sp_el1(uint64_t sp_el1) -{ - __asm__ __volatile__("msr SP_EL1, %0\n\t" : : "r" (sp_el1) : "memory"); -} - -uint64_t raw_read_sp_el2(void) -{ - uint64_t sp_el2; - - __asm__ __volatile__("mrs %0, SP_EL2\n\t" : "=r" (sp_el2) : : "memory"); - - return sp_el2; -} - -void raw_write_sp_el2(uint64_t sp_el2) -{ - __asm__ __volatile__("msr SP_EL2, %0\n\t" : : "r" (sp_el2) : "memory"); -} - -/* SPSel */ -uint32_t raw_read_spsel(void) -{ - uint64_t spsel; - - __asm__ __volatile__("mrs %0, SPSel\n\t" : "=r" (spsel) : : "memory"); - - return spsel; -} - -void raw_write_spsel(uint32_t spsel) -{ - __asm__ __volatile__("msr SPSel, %0\n\t" : : "r" ((uint64_t)spsel) : "memory"); -} - -uint64_t raw_read_sp_el3(void) -{ - uint64_t sp_el3; - uint32_t spsel; - - spsel = raw_read_spsel(); - if (!spsel) - raw_write_spsel(1); - - __asm__ __volatile__("mov %0, sp\n\t" : "=r" (sp_el3) : : "memory"); - - if (!spsel) - raw_write_spsel(spsel); - - return sp_el3; -} - -void raw_write_sp_el3(uint64_t sp_el3) -{ - uint32_t spsel; - - spsel = raw_read_spsel(); - if (!spsel) - raw_write_spsel(1); - - __asm__ __volatile__("mov sp, %0\n\t" : "=r" (sp_el3) : : "memory"); - - if (!spsel) - raw_write_spsel(spsel); -} - -/* SPSR */ -uint32_t raw_read_spsr_abt(void) -{ - uint64_t spsr_abt; - - __asm__ __volatile__("mrs %0, SPSR_abt\n\t" : "=r" (spsr_abt) : : "memory"); - - return spsr_abt; -} - -void raw_write_spsr_abt(uint32_t spsr_abt) -{ - __asm__ __volatile__("msr SPSR_abt, %0\n\t" : : "r" ((uint64_t)spsr_abt) : "memory"); -} - -uint32_t raw_read_spsr_el1(void) -{ - uint64_t spsr_el1; - - __asm__ __volatile__("mrs %0, SPSR_EL1\n\t" : "=r" (spsr_el1) : : "memory"); - - return spsr_el1; -} - -void raw_write_spsr_el1(uint32_t spsr_el1) -{ - __asm__ __volatile__("msr SPSR_EL1, %0\n\t" : : "r" ((uint64_t)spsr_el1) : "memory"); -} - -uint32_t raw_read_spsr_el2(void) -{ - uint64_t spsr_el2; - - __asm__ __volatile__("mrs %0, SPSR_EL2\n\t" : "=r" (spsr_el2) : : "memory"); - - return spsr_el2; -} - -void raw_write_spsr_el2(uint32_t spsr_el2) -{ - __asm__ __volatile__("msr SPSR_EL2, %0\n\t" : : "r" ((uint64_t)spsr_el2) : "memory"); -} - -uint32_t raw_read_spsr_el3(void) -{ - uint64_t spsr_el3; - - __asm__ __volatile__("mrs %0, SPSR_EL3\n\t" : "=r" (spsr_el3) : : "memory"); - - return spsr_el3; -} - -void raw_write_spsr_el3(uint32_t spsr_el3) -{ - __asm__ __volatile__("msr SPSR_EL3, %0\n\t" : : "r" ((uint64_t)spsr_el3) : "memory"); -} - -uint32_t raw_read_spsr_fiq(void) -{ - uint64_t spsr_fiq; - - __asm__ __volatile__("mrs %0, SPSR_fiq\n\t" : "=r" (spsr_fiq) : : "memory"); - - return spsr_fiq; -} - -void raw_write_spsr_fiq(uint32_t spsr_fiq) -{ - __asm__ __volatile__("msr SPSR_fiq, %0\n\t" : : "r" ((uint64_t)spsr_fiq) : "memory"); -} - -uint32_t raw_read_spsr_irq(void) -{ - uint64_t spsr_irq; - - __asm__ __volatile__("mrs %0, SPSR_irq\n\t" : "=r" (spsr_irq) : : "memory"); - - return spsr_irq; -} - -void raw_write_spsr_irq(uint32_t spsr_irq) -{ - __asm__ __volatile__("msr SPSR_irq, %0\n\t" : : "r" ((uint64_t)spsr_irq) : "memory"); -} - -uint32_t raw_read_spsr_und(void) -{ - uint64_t spsr_und; - - __asm__ __volatile__("mrs %0, SPSR_und\n\t" : "=r" (spsr_und) : : "memory"); - - return spsr_und; -} - -void raw_write_spsr_und(uint32_t spsr_und) -{ - __asm__ __volatile__("msr SPSR_und, %0\n\t" : : "r" ((uint64_t)spsr_und) : "memory"); -} diff --git a/src/arch/arm64/armv8/lib/sysctrl.c b/src/arch/arm64/armv8/lib/sysctrl.c deleted file mode 100644 index 3e73c30173..0000000000 --- a/src/arch/arm64/armv8/lib/sysctrl.c +++ /dev/null @@ -1,777 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2014 Google Inc - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; version 2 of - * the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * Reference: ARM Architecture Reference Manual, ARMv8-A edition - * sysctrl.c: This file defines all the library functions for accessing system - * control registers in Aarch64 - */ - -#include <stdint.h> - -#include <arch/lib_helpers.h> - -/* ACTLR */ -uint32_t raw_read_actlr_el1(void) -{ - uint64_t actlr_el1; - - __asm__ __volatile__("mrs %0, ACTLR_EL1\n\t" : "=r" (actlr_el1) : : "memory"); - - return actlr_el1; -} - -void raw_write_actlr_el1(uint32_t actlr_el1) -{ - __asm__ __volatile__("msr ACTLR_EL1, %0\n\t" : : "r" ((uint64_t)actlr_el1) : "memory"); -} - -uint32_t raw_read_actlr_el2(void) -{ - uint64_t actlr_el2; - - __asm__ __volatile__("mrs %0, ACTLR_EL2\n\t" : "=r" (actlr_el2) : : "memory"); - - return actlr_el2; -} - -void raw_write_actlr_el2(uint32_t actlr_el2) -{ - __asm__ __volatile__("msr ACTLR_EL2, %0\n\t" : : "r" ((uint64_t)actlr_el2) : "memory"); -} - -uint32_t raw_read_actlr_el3(void) -{ - uint64_t actlr_el3; - - __asm__ __volatile__("mrs %0, ACTLR_EL3\n\t" : "=r" (actlr_el3) : : "memory"); - - return actlr_el3; -} - -void raw_write_actlr_el3(uint32_t actlr_el3) -{ - __asm__ __volatile__("msr ACTLR_EL3, %0\n\t" : : "r" ((uint64_t)actlr_el3) : "memory"); -} - -/* AFSR0 */ -uint32_t raw_read_afsr0_el1(void) -{ - uint64_t afsr0_el1; - - __asm__ __volatile__("mrs %0, AFSR0_EL1\n\t" : "=r" (afsr0_el1) : : "memory"); - - return afsr0_el1; -} - -void raw_write_afsr0_el1(uint32_t afsr0_el1) -{ - __asm__ __volatile__("msr AFSR0_EL1, %0\n\t" : : "r" ((uint64_t)afsr0_el1) : "memory"); -} - -uint32_t raw_read_afsr0_el2(void) -{ - uint64_t afsr0_el2; - - __asm__ __volatile__("mrs %0, AFSR0_EL2\n\t" : "=r" (afsr0_el2) : : "memory"); - - return afsr0_el2; -} - -void raw_write_afsr0_el2(uint32_t afsr0_el2) -{ - __asm__ __volatile__("msr AFSR0_EL2, %0\n\t" : : "r" ((uint64_t)afsr0_el2) : "memory"); -} - -uint32_t raw_read_afsr0_el3(void) -{ - uint64_t afsr0_el3; - - __asm__ __volatile__("mrs %0, AFSR0_EL3\n\t" : "=r" (afsr0_el3) : : "memory"); - - return afsr0_el3; -} - -void raw_write_afsr0_el3(uint32_t afsr0_el3) -{ - __asm__ __volatile__("msr AFSR0_EL3, %0\n\t" : : "r" ((uint64_t)afsr0_el3) : "memory"); -} - -/* AFSR1 */ -uint32_t raw_read_afsr1_el1(void) -{ - uint64_t afsr1_el1; - - __asm__ __volatile__("mrs %0, AFSR1_EL1\n\t" : "=r" (afsr1_el1) : : "memory"); - - return afsr1_el1; -} - -void raw_write_afsr1_el1(uint32_t afsr1_el1) -{ - __asm__ __volatile__("msr AFSR1_EL1, %0\n\t" : : "r" ((uint64_t)afsr1_el1) : "memory"); -} - -uint32_t raw_read_afsr1_el2(void) -{ - uint64_t afsr1_el2; - - __asm__ __volatile__("mrs %0, AFSR1_EL2\n\t" : "=r" (afsr1_el2) : : "memory"); - - return afsr1_el2; -} - -void raw_write_afsr1_el2(uint32_t afsr1_el2) -{ - __asm__ __volatile__("msr AFSR1_EL2, %0\n\t" : : "r" ((uint64_t)afsr1_el2) : "memory"); -} - -uint32_t raw_read_afsr1_el3(void) -{ - uint64_t afsr1_el3; - - __asm__ __volatile__("mrs %0, AFSR1_EL3\n\t" : "=r" (afsr1_el3) : : "memory"); - - return afsr1_el3; -} - -void raw_write_afsr1_el3(uint32_t afsr1_el3) -{ - __asm__ __volatile__("msr AFSR1_EL3, %0\n\t" : : "r" ((uint64_t)afsr1_el3) : "memory"); -} - -/* AIDR */ -uint32_t raw_read_aidr_el1(void) -{ - uint64_t aidr_el1; - - __asm__ __volatile__("mrs %0, AIDR_EL1\n\t" : "=r" (aidr_el1) : : "memory"); - - return aidr_el1; -} - -/* AMAIR */ -uint64_t raw_read_amair_el1(void) -{ - uint64_t amair_el1; - - __asm__ __volatile__("mrs %0, AMAIR_EL1\n\t" : "=r" (amair_el1) : : "memory"); - - return amair_el1; -} - -void raw_write_amair_el1(uint64_t amair_el1) -{ - __asm__ __volatile__("msr AMAIR_EL1, %0\n\t" : : "r" (amair_el1) : "memory"); -} - -uint64_t raw_read_amair_el2(void) -{ - uint64_t amair_el2; - - __asm__ __volatile__("mrs %0, AMAIR_EL2\n\t" : "=r" (amair_el2) : : "memory"); - - return amair_el2; -} - -void raw_write_amair_el2(uint64_t amair_el2) -{ - __asm__ __volatile__("msr AMAIR_EL2, %0\n\t" : : "r" (amair_el2) : "memory"); -} - -uint64_t raw_read_amair_el3(void) -{ - uint64_t amair_el3; - - __asm__ __volatile__("mrs %0, AMAIR_EL3\n\t" : "=r" (amair_el3) : : "memory"); - - return amair_el3; -} - -void raw_write_amair_el3(uint64_t amair_el3) -{ - __asm__ __volatile__("msr AMAIR_EL3, %0\n\t" : : "r" (amair_el3) : "memory"); -} - -/* CCSIDR */ -uint32_t raw_read_ccsidr_el1(void) -{ - uint64_t ccsidr_el1; - - __asm__ __volatile__("mrs %0, CCSIDR_EL1\n\t" : "=r" (ccsidr_el1) : : "memory"); - - return ccsidr_el1; -} - -/* CLIDR */ -uint32_t raw_read_clidr_el1(void) -{ - uint64_t clidr_el1; - - __asm__ __volatile__("mrs %0, CLIDR_EL1\n\t" : "=r" (clidr_el1) : : "memory"); - - return clidr_el1; -} - -/* CPACR */ -uint32_t raw_read_cpacr_el1(void) -{ - uint64_t cpacr_el1; - - __asm__ __volatile__("mrs %0, CPACR_EL1\n\t" : "=r" (cpacr_el1) : : "memory"); - - return cpacr_el1; -} - -void raw_write_cpacr_el1(uint32_t cpacr_el1) -{ - __asm__ __volatile__("msr CPACR_EL1, %0\n\t" : : "r" ((uint64_t)cpacr_el1) : "memory"); -} - -/* CPTR */ -uint32_t raw_read_cptr_el2(void) -{ - uint64_t cptr_el2; - - __asm__ __volatile__("mrs %0, CPTR_EL2\n\t" : "=r" (cptr_el2) : : "memory"); - - return cptr_el2; -} - -void raw_write_cptr_el2(uint32_t cptr_el2) -{ - __asm__ __volatile__("msr CPTR_EL2, %0\n\t" : : "r" ((uint64_t)cptr_el2) : "memory"); -} - -uint32_t raw_read_cptr_el3(void) -{ - uint64_t cptr_el3; - - __asm__ __volatile__("mrs %0, CPTR_EL3\n\t" : "=r" (cptr_el3) : : "memory"); - - return cptr_el3; -} - -void raw_write_cptr_el3(uint32_t cptr_el3) -{ - __asm__ __volatile__("msr CPTR_EL3, %0\n\t" : : "r" ((uint64_t)cptr_el3) : "memory"); -} - -/* CSSELR */ -uint32_t raw_read_csselr_el1(void) -{ - uint64_t csselr_el1; - - __asm__ __volatile__("mrs %0, CSSELR_EL1\n\t" : "=r" (csselr_el1) : : "memory"); - - return csselr_el1; -} - -void raw_write_csselr_el1(uint32_t csselr_el1) -{ - __asm__ __volatile__("msr CSSELR_EL1, %0\n\t" : : "r" ((uint64_t)csselr_el1) : "memory"); -} - -/* CTR */ -uint32_t raw_read_ctr_el0(void) -{ - uint64_t ctr_el0; - - __asm__ __volatile__("mrs %0, CTR_EL0\n\t" : "=r" (ctr_el0) : : "memory"); - - return ctr_el0; -} - -/* ESR */ -uint32_t raw_read_esr_el1(void) -{ - uint64_t esr_el1; - - __asm__ __volatile__("mrs %0, ESR_EL1\n\t" : "=r" (esr_el1) : : "memory"); - - return esr_el1; -} - -void raw_write_esr_el1(uint32_t esr_el1) -{ - __asm__ __volatile__("msr ESR_EL1, %0\n\t" : : "r" ((uint64_t)esr_el1) : "memory"); -} - -uint32_t raw_read_esr_el2(void) -{ - uint64_t esr_el2; - - __asm__ __volatile__("mrs %0, ESR_EL2\n\t" : "=r" (esr_el2) : : "memory"); - - return esr_el2; -} - -void raw_write_esr_el2(uint32_t esr_el2) -{ - __asm__ __volatile__("msr ESR_EL2, %0\n\t" : : "r" ((uint64_t)esr_el2) : "memory"); -} - -uint32_t raw_read_esr_el3(void) -{ - uint64_t esr_el3; - - __asm__ __volatile__("mrs %0, ESR_EL3\n\t" : "=r" (esr_el3) : : "memory"); - - return esr_el3; -} - -void raw_write_esr_el3(uint32_t esr_el3) -{ - __asm__ __volatile__("msr ESR_EL3, %0\n\t" : : "r" ((uint64_t)esr_el3) : "memory"); -} - -/* FAR */ -uint64_t raw_read_far_el1(void) -{ - uint64_t far_el1; - - __asm__ __volatile__("mrs %0, FAR_EL1\n\t" : "=r" (far_el1) : : "memory"); - - return far_el1; -} - -void raw_write_far_el1(uint64_t far_el1) -{ - __asm__ __volatile__("msr FAR_EL1, %0\n\t" : : "r" (far_el1) : "memory"); -} - -uint64_t raw_read_far_el2(void) -{ - uint64_t far_el2; - - __asm__ __volatile__("mrs %0, FAR_EL2\n\t" : "=r" (far_el2) : : "memory"); - - return far_el2; -} - -void raw_write_far_el2(uint64_t far_el2) -{ - __asm__ __volatile__("msr FAR_EL2, %0\n\t" : : "r" (far_el2) : "memory"); -} - -uint64_t raw_read_far_el3(void) -{ - uint64_t far_el3; - - __asm__ __volatile__("mrs %0, FAR_EL3\n\t" : "=r" (far_el3) : : "memory"); - - return far_el3; -} - -void raw_write_far_el3(uint64_t far_el3) -{ - __asm__ __volatile__("msr FAR_EL3, %0\n\t" : : "r" (far_el3) : "memory"); -} - -/* HCR */ -uint64_t raw_read_hcr_el2(void) -{ - uint64_t hcr_el2; - - __asm__ __volatile__("mrs %0, HCR_EL2\n\t" : "=r" (hcr_el2) : : "memory"); - - return hcr_el2; -} - -void raw_write_hcr_el2(uint64_t hcr_el2) -{ - __asm__ __volatile__("msr HCR_EL2, %0\n\t" : : "r" (hcr_el2) : "memory"); -} - -/* AA64PFR0 */ -uint64_t raw_read_aa64pfr0_el1(void) -{ - uint64_t aa64pfr0_el1; - - __asm__ __volatile__("mrs %0, ID_AA64PFR0_EL1\n\t" : "=r" (aa64pfr0_el1) : : "memory"); - - return aa64pfr0_el1; -} - -/* MAIR */ -uint64_t raw_read_mair_el1(void) -{ - uint64_t mair_el1; - - __asm__ __volatile__("mrs %0, MAIR_EL1\n\t" : "=r" (mair_el1) : : "memory"); - - return mair_el1; -} - -void raw_write_mair_el1(uint64_t mair_el1) -{ - __asm__ __volatile__("msr MAIR_EL1, %0\n\t" : : "r" (mair_el1) : "memory"); -} - -uint64_t raw_read_mair_el2(void) -{ - uint64_t mair_el2; - - __asm__ __volatile__("mrs %0, MAIR_EL2\n\t" : "=r" (mair_el2) : : "memory"); - - return mair_el2; -} - -void raw_write_mair_el2(uint64_t mair_el2) -{ - __asm__ __volatile__("msr MAIR_EL2, %0\n\t" : : "r" (mair_el2) : "memory"); -} - -uint64_t raw_read_mair_el3(void) -{ - uint64_t mair_el3; - - __asm__ __volatile__("mrs %0, MAIR_EL3\n\t" : "=r" (mair_el3) : : "memory"); - - return mair_el3; -} - -void raw_write_mair_el3(uint64_t mair_el3) -{ - __asm__ __volatile__("msr MAIR_EL3, %0\n\t" : : "r" (mair_el3) : "memory"); -} - -/* MIDR */ -uint32_t raw_read_midr_el1(void) -{ - uint64_t midr_el1; - - __asm__ __volatile__("mrs %0, MIDR_EL1\n\t" : "=r" (midr_el1) : : "memory"); - - return midr_el1; -} - -/* MPIDR */ -uint64_t raw_read_mpidr_el1(void) -{ - uint64_t mpidr_el1; - - __asm__ __volatile__("mrs %0, MPIDR_EL1\n\t" : "=r" (mpidr_el1) : : "memory"); - - return mpidr_el1; -} - -/* RMR */ -uint32_t raw_read_rmr_el1(void) -{ - uint64_t rmr_el1; - - __asm__ __volatile__("mrs %0, RMR_EL1\n\t" : "=r" (rmr_el1) : : "memory"); - - return rmr_el1; -} - -void raw_write_rmr_el1(uint32_t rmr_el1) -{ - __asm__ __volatile__("msr RMR_EL1, %0\n\t" : : "r" ((uint64_t)rmr_el1) : "memory"); -} - -uint32_t raw_read_rmr_el2(void) -{ - uint64_t rmr_el2; - - __asm__ __volatile__("mrs %0, RMR_EL2\n\t" : "=r" (rmr_el2) : : "memory"); - - return rmr_el2; -} - -void raw_write_rmr_el2(uint32_t rmr_el2) -{ - __asm__ __volatile__("msr RMR_EL2, %0\n\t" : : "r" ((uint64_t)rmr_el2) : "memory"); -} - -uint32_t raw_read_rmr_el3(void) -{ - uint64_t rmr_el3; - - __asm__ __volatile__("mrs %0, RMR_EL3\n\t" : "=r" (rmr_el3) : : "memory"); - - return rmr_el3; -} - -void raw_write_rmr_el3(uint32_t rmr_el3) -{ - __asm__ __volatile__("msr RMR_EL3, %0\n\t" : : "r" ((uint64_t)rmr_el3) : "memory"); -} - -/* RVBAR */ -uint64_t raw_read_rvbar_el1(void) -{ - uint64_t rvbar_el1; - - __asm__ __volatile__("mrs %0, RVBAR_EL1\n\t" : "=r" (rvbar_el1) : : "memory"); - - return rvbar_el1; -} - -void raw_write_rvbar_el1(uint64_t rvbar_el1) -{ - __asm__ __volatile__("msr RVBAR_EL1, %0\n\t" : : "r" (rvbar_el1) : "memory"); -} - -uint64_t raw_read_rvbar_el2(void) -{ - uint64_t rvbar_el2; - - __asm__ __volatile__("mrs %0, RVBAR_EL2\n\t" : "=r" (rvbar_el2) : : "memory"); - - return rvbar_el2; -} - -void raw_write_rvbar_el2(uint64_t rvbar_el2) -{ - __asm__ __volatile__("msr RVBAR_EL2, %0\n\t" : : "r" (rvbar_el2) : "memory"); -} - -uint64_t raw_read_rvbar_el3(void) -{ - uint64_t rvbar_el3; - - __asm__ __volatile__("mrs %0, RVBAR_EL3\n\t" : "=r" (rvbar_el3) : : "memory"); - - return rvbar_el3; -} - -void raw_write_rvbar_el3(uint64_t rvbar_el3) -{ - __asm__ __volatile__("msr RVBAR_EL3, %0\n\t" : : "r" (rvbar_el3) : "memory"); -} - -/* Scr */ -uint32_t raw_read_scr_el3(void) -{ - uint64_t scr_el3; - - __asm__ __volatile__("mrs %0, SCR_EL3\n\t" : "=r" (scr_el3) : : "memory"); - - return scr_el3; -} - -void raw_write_scr_el3(uint32_t scr_el3) -{ - __asm__ __volatile__("msr SCR_EL3, %0\n\t" : : "r" ((uint64_t)scr_el3) : "memory"); -} - -/* SCTLR */ -uint32_t raw_read_sctlr_el1(void) -{ - uint64_t sctlr_el1; - - __asm__ __volatile__("mrs %0, SCTLR_EL1\n\t" : "=r" (sctlr_el1) : : "memory"); - - return sctlr_el1; -} - -void raw_write_sctlr_el1(uint32_t sctlr_el1) -{ - __asm__ __volatile__("msr SCTLR_EL1, %0\n\t" : : "r" ((uint64_t)sctlr_el1) : "memory"); -} - -uint32_t raw_read_sctlr_el2(void) -{ - uint64_t sctlr_el2; - - __asm__ __volatile__("mrs %0, SCTLR_EL2\n\t" : "=r" (sctlr_el2) : : "memory"); - - return sctlr_el2; -} - -void raw_write_sctlr_el2(uint32_t sctlr_el2) -{ - __asm__ __volatile__("msr SCTLR_EL2, %0\n\t" : : "r" ((uint64_t)sctlr_el2) : "memory"); -} - -uint32_t raw_read_sctlr_el3(void) -{ - uint64_t sctlr_el3; - - __asm__ __volatile__("mrs %0, SCTLR_EL3\n\t" : "=r" (sctlr_el3) : : "memory"); - - return sctlr_el3; -} - -void raw_write_sctlr_el3(uint32_t sctlr_el3) -{ - __asm__ __volatile__("msr SCTLR_EL3, %0\n\t" : : "r" ((uint64_t)sctlr_el3) : "memory"); -} - -/* TCR */ -uint64_t raw_read_tcr_el1(void) -{ - uint64_t tcr_el1; - - __asm__ __volatile__("mrs %0, TCR_EL1\n\t" : "=r" (tcr_el1) : : "memory"); - - return tcr_el1; -} - -void raw_write_tcr_el1(uint64_t tcr_el1) -{ - __asm__ __volatile__("msr TCR_EL1, %0\n\t" : : "r" (tcr_el1) : "memory"); -} - -uint32_t raw_read_tcr_el2(void) -{ - uint64_t tcr_el2; - - __asm__ __volatile__("mrs %0, TCR_EL2\n\t" : "=r" (tcr_el2) : : "memory"); - - return tcr_el2; -} - -void raw_write_tcr_el2(uint32_t tcr_el2) -{ - __asm__ __volatile__("msr TCR_EL2, %0\n\t" : : "r" ((uint64_t)tcr_el2) : "memory"); -} - -uint32_t raw_read_tcr_el3(void) -{ - uint64_t tcr_el3; - - __asm__ __volatile__("mrs %0, TCR_EL3\n\t" : "=r" (tcr_el3) : : "memory"); - - return tcr_el3; -} - -void raw_write_tcr_el3(uint32_t tcr_el3) -{ - __asm__ __volatile__("msr TCR_EL3, %0\n\t" : : "r" ((uint64_t)tcr_el3) : "memory"); -} - -/* TTBR0 */ -uint64_t raw_read_ttbr0_el1(void) -{ - uint64_t ttbr0_el1; - - __asm__ __volatile__("mrs %0, TTBR0_EL1\n\t" : "=r" (ttbr0_el1) : : "memory"); - - return ttbr0_el1; -} - -void raw_write_ttbr0_el1(uint64_t ttbr0_el1) -{ - __asm__ __volatile__("msr TTBR0_EL1, %0\n\t" : : "r" (ttbr0_el1) : "memory"); -} - -uint64_t raw_read_ttbr0_el2(void) -{ - uint64_t ttbr0_el2; - - __asm__ __volatile__("mrs %0, TTBR0_EL2\n\t" : "=r" (ttbr0_el2) : : "memory"); - - return ttbr0_el2; -} - -void raw_write_ttbr0_el2(uint64_t ttbr0_el2) -{ - __asm__ __volatile__("msr TTBR0_EL2, %0\n\t" : : "r" (ttbr0_el2) : "memory"); -} - -uint64_t raw_read_ttbr0_el3(void) -{ - uint64_t ttbr0_el3; - - __asm__ __volatile__("mrs %0, TTBR0_EL3\n\t" : "=r" (ttbr0_el3) : : "memory"); - - return ttbr0_el3; -} - -void raw_write_ttbr0_el3(uint64_t ttbr0_el3) -{ - __asm__ __volatile__("msr TTBR0_EL3, %0\n\t" : : "r" (ttbr0_el3) : "memory"); -} - -/* TTBR1 */ -uint64_t raw_read_ttbr1_el1(void) -{ - uint64_t ttbr1_el1; - - __asm__ __volatile__("mrs %0, TTBR1_EL1\n\t" : "=r" (ttbr1_el1) : : "memory"); - - return ttbr1_el1; -} - -void raw_write_ttbr1_el1(uint64_t ttbr1_el1) -{ - __asm__ __volatile__("msr TTBR1_EL1, %0\n\t" : : "r" (ttbr1_el1) : "memory"); -} - -/* VBAR */ -uint64_t raw_read_vbar_el1(void) -{ - uint64_t vbar_el1; - - __asm__ __volatile__("mrs %0, VBAR_EL1\n\t" : "=r" (vbar_el1) : : "memory"); - - return vbar_el1; -} - -void raw_write_vbar_el1(uint64_t vbar_el1) -{ - __asm__ __volatile__("msr VBAR_EL1, %0\n\t" : : "r" (vbar_el1) : "memory"); -} - -uint64_t raw_read_vbar_el2(void) -{ - uint64_t vbar_el2; - - __asm__ __volatile__("mrs %0, VBAR_EL2\n\t" : "=r" (vbar_el2) : : "memory"); - - return vbar_el2; -} - -void raw_write_vbar_el2(uint64_t vbar_el2) -{ - __asm__ __volatile__("msr VBAR_EL2, %0\n\t" : : "r" (vbar_el2) : "memory"); -} - -uint64_t raw_read_vbar_el3(void) -{ - uint64_t vbar_el3; - - __asm__ __volatile__("mrs %0, VBAR_EL3\n\t" : "=r" (vbar_el3) : : "memory"); - - return vbar_el3; -} - -void raw_write_vbar_el3(uint64_t vbar_el3) -{ - __asm__ __volatile__("msr VBAR_EL3, %0\n\t" : : "r" (vbar_el3) : "memory"); -} - -uint32_t raw_read_cntfrq_el0(void) -{ - uint64_t cntfrq_el0; - - __asm__ __volatile__("mrs %0, CNTFRQ_EL0\n\t" : "=r" (cntfrq_el0) : : "memory"); - return cntfrq_el0; -} - -void raw_write_cntfrq_el0(uint32_t cntfrq_el0) -{ - __asm__ __volatile__("msr CNTFRQ_EL0, %0\n\t" : : "r" ((uint64_t)cntfrq_el0) : "memory"); -} - -uint64_t raw_read_cntpct_el0(void) -{ - uint64_t cntpct_el0; - - __asm__ __volatile__("mrs %0, CNTPCT_EL0\n\t" : "=r" (cntpct_el0) : : "memory"); - return cntpct_el0; -} diff --git a/src/arch/arm64/armv8/lib/tlb.c b/src/arch/arm64/armv8/lib/tlb.c deleted file mode 100644 index b40fb8f135..0000000000 --- a/src/arch/arm64/armv8/lib/tlb.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2014 Google Inc - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; version 2 of - * the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * tlb.c: System intructions for TLB maintenance. - * Reference: ARM Architecture Reference Manual, ARMv8-A edition - */ - -#include <stdint.h> - -#include <arch/lib_helpers.h> - -/* TLBIALL */ -void tlbiall_el1(void) -{ - __asm__ __volatile__("tlbi alle1\n\t" : : : "memory"); -} - -void tlbiall_el2(void) -{ - __asm__ __volatile__("tlbi alle2\n\t" : : : "memory"); -} - -void tlbiall_el3(void) -{ - __asm__ __volatile__("tlbi alle3\n\t" : : : "memory"); -} - -/* TLBIALLIS */ -void tlbiallis_el1(void) -{ - __asm__ __volatile__("tlbi alle1is\n\t" : : : "memory"); -} - -void tlbiallis_el2(void) -{ - __asm__ __volatile__("tlbi alle2is\n\t" : : : "memory"); -} - -void tlbiallis_el3(void) -{ - __asm__ __volatile__("tlbi alle3is\n\t" : : : "memory"); -} - -/* TLBIVAA */ -void tlbivaa_el1(uint64_t va) -{ - __asm__ __volatile__("tlbi vaae1, %0\n\t" : : "r" (va) : "memory"); -} diff --git a/src/arch/arm64/include/armv8/arch/cache.h b/src/arch/arm64/include/armv8/arch/cache.h index 7bf81cf258..3de2e80877 100644 --- a/src/arch/arm64/include/armv8/arch/cache.h +++ b/src/arch/arm64/include/armv8/arch/cache.h @@ -58,6 +58,7 @@ #include <stddef.h> #include <stdint.h> #include <arch/barrier.h> +#include <arch/lib_helpers.h> /* dcache clean by virtual address to PoC */ void dcache_clean_by_mva(void const *addr, size_t len); @@ -76,18 +77,22 @@ void dcache_clean_invalidate_all(void); /* returns number of bytes per cache line */ unsigned int dcache_line_bytes(void); -/* tlb invalidate all */ -void tlb_invalidate_all(void); +/* Invalidate all TLB entries. */ +static inline void tlb_invalidate_all(void) +{ + /* TLBIALL includes dTLB and iTLB on systems that have them. */ + tlbiall_el3(); + dsb(); + isb(); +} /* Invalidate all of the instruction cache for PE to PoU. */ static inline void icache_invalidate_all(void) { - __asm__ __volatile__( - "dsb sy\n\t" - "ic iallu\n\t" - "dsb sy\n\t" - "isb\n\t" - : : : "memory"); + dsb(); + iciallu(); + dsb(); + isb(); } #endif /* __ASSEMBLER__ */ diff --git a/src/arch/arm64/include/armv8/arch/lib_helpers.h b/src/arch/arm64/include/armv8/arch/lib_helpers.h index e810098490..e270e0096c 100644 --- a/src/arch/arm64/include/armv8/arch/lib_helpers.h +++ b/src/arch/arm64/include/armv8/arch/lib_helpers.h @@ -145,184 +145,239 @@ #include <stdint.h> -/* PSTATE and special purpose register access functions */ -uint32_t raw_read_current_el(void); -uint32_t raw_read_daif(void); -void raw_write_daif(uint32_t daif); -void enable_debug_exceptions(void); -void enable_serror_exceptions(void); -void enable_irq(void); -void enable_fiq(void); -void disable_debug_exceptions(void); -void disable_serror_exceptions(void); -void disable_irq(void); -void disable_fiq(void); -uint64_t raw_read_dlr_el0(void); -void raw_write_dlr_el0(uint64_t dlr_el0); -uint64_t raw_read_dspsr_el0(void); -void raw_write_dspsr_el0(uint64_t dspsr_el0); -uint64_t raw_read_elr_el1(void); -void raw_write_elr_el1(uint64_t elr_el1); -uint64_t raw_read_elr_el2(void); -void raw_write_elr_el2(uint64_t elr_el2); -uint64_t raw_read_elr_el3(void); -void raw_write_elr_el3(uint64_t elr_el3); -uint32_t raw_read_fpcr(void); -void raw_write_fpcr(uint32_t fpcr); -uint32_t raw_read_fpsr(void); -void raw_write_fpsr(uint32_t fpsr); -uint32_t raw_read_nzcv(void); -void raw_write_nzcv(uint32_t nzcv); -uint64_t raw_read_sp_el0(void); -void raw_write_sp_el0(uint64_t sp_el0); -uint64_t raw_read_sp_el1(void); -void raw_write_sp_el1(uint64_t sp_el1); -uint64_t raw_read_sp_el2(void); -void raw_write_sp_el2(uint64_t sp_el2); -uint32_t raw_read_spsel(void); -void raw_write_spsel(uint32_t spsel); -uint64_t raw_read_sp_el3(void); -void raw_write_sp_el3(uint64_t sp_el3); -uint32_t raw_read_spsr_abt(void); -void raw_write_spsr_abt(uint32_t spsr_abt); -uint32_t raw_read_spsr_el1(void); -void raw_write_spsr_el1(uint32_t spsr_el1); -uint32_t raw_read_spsr_el2(void); -void raw_write_spsr_el2(uint32_t spsr_el2); -uint32_t raw_read_spsr_el3(void); -void raw_write_spsr_el3(uint32_t spsr_el3); -uint32_t raw_read_spsr_fiq(void); -void raw_write_spsr_fiq(uint32_t spsr_fiq); -uint32_t raw_read_spsr_irq(void); -void raw_write_spsr_irq(uint32_t spsr_irq); -uint32_t raw_read_spsr_und(void); -void raw_write_spsr_und(uint32_t spsr_und); - -/* System control register access */ -uint32_t raw_read_actlr_el1(void); -void raw_write_actlr_el1(uint32_t actlr_el1); -uint32_t raw_read_actlr_el2(void); -void raw_write_actlr_el2(uint32_t actlr_el2); -uint32_t raw_read_actlr_el3(void); -void raw_write_actlr_el3(uint32_t actlr_el3); -uint32_t raw_read_afsr0_el1(void); -void raw_write_afsr0_el1(uint32_t afsr0_el1); -uint32_t raw_read_afsr0_el2(void); -void raw_write_afsr0_el2(uint32_t afsr0_el2); -uint32_t raw_read_afsr0_el3(void); -void raw_write_afsr0_el3(uint32_t afsr0_el3); -uint32_t raw_read_afsr1_el1(void); -void raw_write_afsr1_el1(uint32_t afsr1_el1); -uint32_t raw_read_afsr1_el2(void); -void raw_write_afsr1_el2(uint32_t afsr1_el2); -uint32_t raw_read_afsr1_el3(void); -void raw_write_afsr1_el3(uint32_t afsr1_el3); -uint32_t raw_read_aidr_el1(void); -uint64_t raw_read_amair_el1(void); -void raw_write_amair_el1(uint64_t amair_el1); -uint64_t raw_read_amair_el2(void); -void raw_write_amair_el2(uint64_t amair_el2); -uint64_t raw_read_amair_el3(void); -void raw_write_amair_el3(uint64_t amair_el3); -uint32_t raw_read_ccsidr_el1(void); -uint32_t raw_read_clidr_el1(void); -uint32_t raw_read_cpacr_el1(void); -void raw_write_cpacr_el1(uint32_t cpacr_el1); -uint32_t raw_read_cptr_el2(void); -void raw_write_cptr_el2(uint32_t cptr_el2); -uint32_t raw_read_cptr_el3(void); -void raw_write_cptr_el3(uint32_t cptr_el3); -uint32_t raw_read_csselr_el1(void); -void raw_write_csselr_el1(uint32_t csselr_el1); -uint32_t raw_read_ctr_el0(void); -uint32_t raw_read_esr_el1(void); -void raw_write_esr_el1(uint32_t esr_el1); -uint32_t raw_read_esr_el2(void); -void raw_write_esr_el2(uint32_t esr_el2); -uint32_t raw_read_esr_el3(void); -void raw_write_esr_el3(uint32_t esr_el3); -uint64_t raw_read_far_el1(void); -void raw_write_far_el1(uint64_t far_el1); -uint64_t raw_read_far_el2(void); -void raw_write_far_el2(uint64_t far_el2); -uint64_t raw_read_far_el3(void); -void raw_write_far_el3(uint64_t far_el3); -uint64_t raw_read_hcr_el2(void); -void raw_write_hcr_el2(uint64_t hcr_el2); -uint64_t raw_read_aa64pfr0_el1(void); -uint64_t raw_read_mair_el1(void); -void raw_write_mair_el1(uint64_t mair_el1); -uint64_t raw_read_mair_el2(void); -void raw_write_mair_el2(uint64_t mair_el2); -uint64_t raw_read_mair_el3(void); -void raw_write_mair_el3(uint64_t mair_el3); -uint32_t raw_read_midr_el1(void); -uint64_t raw_read_mpidr_el1(void); -uint32_t raw_read_rmr_el1(void); -void raw_write_rmr_el1(uint32_t rmr_el1); -uint32_t raw_read_rmr_el2(void); -void raw_write_rmr_el2(uint32_t rmr_el2); -uint32_t raw_read_rmr_el3(void); -void raw_write_rmr_el3(uint32_t rmr_el3); -uint64_t raw_read_rvbar_el1(void); -void raw_write_rvbar_el1(uint64_t rvbar_el1); -uint64_t raw_read_rvbar_el2(void); -void raw_write_rvbar_el2(uint64_t rvbar_el2); -uint64_t raw_read_rvbar_el3(void); -void raw_write_rvbar_el3(uint64_t rvbar_el3); -uint32_t raw_read_scr_el3(void); -void raw_write_scr_el3(uint32_t scr_el3); -uint32_t raw_read_sctlr_el1(void); -void raw_write_sctlr_el1(uint32_t sctlr_el1); -uint32_t raw_read_sctlr_el2(void); -void raw_write_sctlr_el2(uint32_t sctlr_el2); -uint32_t raw_read_sctlr_el3(void); -void raw_write_sctlr_el3(uint32_t sctlr_el3); -uint64_t raw_read_tcr_el1(void); -void raw_write_tcr_el1(uint64_t tcr_el1); -uint32_t raw_read_tcr_el2(void); -void raw_write_tcr_el2(uint32_t tcr_el2); -uint32_t raw_read_tcr_el3(void); -void raw_write_tcr_el3(uint32_t tcr_el3); -uint64_t raw_read_ttbr0_el1(void); -void raw_write_ttbr0_el1(uint64_t ttbr0_el1); -uint64_t raw_read_ttbr0_el2(void); -void raw_write_ttbr0_el2(uint64_t ttbr0_el2); -uint64_t raw_read_ttbr0_el3(void); -void raw_write_ttbr0_el3(uint64_t ttbr0_el3); -uint64_t raw_read_ttbr1_el1(void); -void raw_write_ttbr1_el1(uint64_t ttbr1_el1); -uint64_t raw_read_vbar_el1(void); -void raw_write_vbar_el1(uint64_t vbar_el1); -uint64_t raw_read_vbar_el2(void); -void raw_write_vbar_el2(uint64_t vbar_el2); -uint64_t raw_read_vbar_el3(void); -void raw_write_vbar_el3(uint64_t vbar_el3); -uint32_t raw_read_cntfrq_el0(void); -void raw_write_cntfrq_el0(uint32_t cntfrq_el0); -uint64_t raw_read_cntpct_el0(void); +#define MAKE_REGISTER_ACCESSORS(reg) \ + static inline uint64_t raw_read_##reg(void) \ + { \ + uint64_t value; \ + __asm__ __volatile__("mrs %0, " #reg "\n\t" \ + : "=r" (value) : : "memory"); \ + return value; \ + } \ + static inline void raw_write_##reg(uint64_t value) \ + { \ + __asm__ __volatile__("msr " #reg ", %0\n\t" \ + : : "r" (value) : "memory"); \ + } + +#define MAKE_REGISTER_ACCESSORS_EL123(reg) \ + MAKE_REGISTER_ACCESSORS(reg##_el1) \ + MAKE_REGISTER_ACCESSORS(reg##_el2) \ + MAKE_REGISTER_ACCESSORS(reg##_el3) + +/* Architectural register accessors */ +MAKE_REGISTER_ACCESSORS_EL123(actlr) +MAKE_REGISTER_ACCESSORS_EL123(afsr0) +MAKE_REGISTER_ACCESSORS_EL123(afsr1) +MAKE_REGISTER_ACCESSORS(aidr_el1) +MAKE_REGISTER_ACCESSORS_EL123(amair) +MAKE_REGISTER_ACCESSORS(ccsidr_el1) +MAKE_REGISTER_ACCESSORS(clidr_el1) +MAKE_REGISTER_ACCESSORS(cntfrq_el0) +MAKE_REGISTER_ACCESSORS(cnthctl_el2) +MAKE_REGISTER_ACCESSORS(cnthp_ctl_el2) +MAKE_REGISTER_ACCESSORS(cnthp_cval_el2) +MAKE_REGISTER_ACCESSORS(cnthp_tval_el2) +MAKE_REGISTER_ACCESSORS(cntkctl_el1) +MAKE_REGISTER_ACCESSORS(cntp_ctl_el0) +MAKE_REGISTER_ACCESSORS(cntp_cval_el0) +MAKE_REGISTER_ACCESSORS(cntp_tval_el0) +MAKE_REGISTER_ACCESSORS(cntpct_el0) +MAKE_REGISTER_ACCESSORS(cntps_ctl_el1) +MAKE_REGISTER_ACCESSORS(cntps_cval_el1) +MAKE_REGISTER_ACCESSORS(cntps_tval_el1) +MAKE_REGISTER_ACCESSORS(cntv_ctl_el0) +MAKE_REGISTER_ACCESSORS(cntv_cval_el0) +MAKE_REGISTER_ACCESSORS(cntv_tval_el0) +MAKE_REGISTER_ACCESSORS(cntvct_el0) +MAKE_REGISTER_ACCESSORS(cntvoff_el2) +MAKE_REGISTER_ACCESSORS(contextidr_el1) +MAKE_REGISTER_ACCESSORS(cpacr_el1) +MAKE_REGISTER_ACCESSORS(cptr_el2) +MAKE_REGISTER_ACCESSORS(cptr_el3) +MAKE_REGISTER_ACCESSORS(csselr_el1) +MAKE_REGISTER_ACCESSORS(ctr_el0) +MAKE_REGISTER_ACCESSORS(currentel) +MAKE_REGISTER_ACCESSORS(daif) +MAKE_REGISTER_ACCESSORS(dczid_el0) +MAKE_REGISTER_ACCESSORS_EL123(elr) +MAKE_REGISTER_ACCESSORS_EL123(esr) +MAKE_REGISTER_ACCESSORS_EL123(far) +MAKE_REGISTER_ACCESSORS(fpcr) +MAKE_REGISTER_ACCESSORS(fpsr) +MAKE_REGISTER_ACCESSORS(hacr_el2) +MAKE_REGISTER_ACCESSORS(hcr_el2) +MAKE_REGISTER_ACCESSORS(hpfar_el2) +MAKE_REGISTER_ACCESSORS(hstr_el2) +MAKE_REGISTER_ACCESSORS(isr_el1) +MAKE_REGISTER_ACCESSORS_EL123(mair) +MAKE_REGISTER_ACCESSORS(midr_el1) +MAKE_REGISTER_ACCESSORS(mpidr_el1) +MAKE_REGISTER_ACCESSORS(nzcv) +MAKE_REGISTER_ACCESSORS(par_el1) +MAKE_REGISTER_ACCESSORS(revdir_el1) +MAKE_REGISTER_ACCESSORS_EL123(rmr) +MAKE_REGISTER_ACCESSORS_EL123(rvbar) +MAKE_REGISTER_ACCESSORS(scr_el3) +MAKE_REGISTER_ACCESSORS_EL123(sctlr) +MAKE_REGISTER_ACCESSORS(sp_el0) +MAKE_REGISTER_ACCESSORS(sp_el1) +MAKE_REGISTER_ACCESSORS(sp_el2) +MAKE_REGISTER_ACCESSORS(spsel) +MAKE_REGISTER_ACCESSORS_EL123(spsr) +MAKE_REGISTER_ACCESSORS(spsr_abt) +MAKE_REGISTER_ACCESSORS(spsr_fiq) +MAKE_REGISTER_ACCESSORS(spsr_irq) +MAKE_REGISTER_ACCESSORS(spsr_und) +MAKE_REGISTER_ACCESSORS_EL123(tcr) +MAKE_REGISTER_ACCESSORS_EL123(tpidr) +MAKE_REGISTER_ACCESSORS_EL123(ttbr0) +MAKE_REGISTER_ACCESSORS(ttbr1_el1) +MAKE_REGISTER_ACCESSORS_EL123(vbar) +MAKE_REGISTER_ACCESSORS(vmpidr_el2) +MAKE_REGISTER_ACCESSORS(vpidr_el2) +MAKE_REGISTER_ACCESSORS(vtcr_el2) +MAKE_REGISTER_ACCESSORS(vttbr_el2) + +/* Special DAIF accessor functions */ +static inline void enable_debug_exceptions(void) +{ + __asm__ __volatile__("msr DAIFClr, %0\n\t" + : : "i" (DAIF_DBG_BIT) : "memory"); +} + +static inline void enable_serror_exceptions(void) +{ + __asm__ __volatile__("msr DAIFClr, %0\n\t" + : : "i" (DAIF_ABT_BIT) : "memory"); +} + +static inline void enable_irq(void) +{ + __asm__ __volatile__("msr DAIFClr, %0\n\t" + : : "i" (DAIF_IRQ_BIT) : "memory"); +} + +static inline void enable_fiq(void) +{ + __asm__ __volatile__("msr DAIFClr, %0\n\t" + : : "i" (DAIF_FIQ_BIT) : "memory"); +} + +static inline void disable_debug_exceptions(void) +{ + __asm__ __volatile__("msr DAIFSet, %0\n\t" + : : "i" (DAIF_DBG_BIT) : "memory"); +} + +static inline void disable_serror_exceptions(void) +{ + __asm__ __volatile__("msr DAIFSet, %0\n\t" + : : "i" (DAIF_ABT_BIT) : "memory"); +} + +static inline void disable_irq(void) +{ + __asm__ __volatile__("msr DAIFSet, %0\n\t" + : : "i" (DAIF_IRQ_BIT) : "memory"); +} + +static inline void disable_fiq(void) +{ + __asm__ __volatile__("msr DAIFSet, %0\n\t" + : : "i" (DAIF_FIQ_BIT) : "memory"); +} /* Cache maintenance system instructions */ -void dccisw(uint64_t cisw); -void dccivac(uint64_t civac); -void dccsw(uint64_t csw); -void dccvac(uint64_t cvac); -void dccvau(uint64_t cvau); -void dcisw(uint64_t isw); -void dcivac(uint64_t ivac); -void dczva(uint64_t zva); -void iciallu(void); -void icialluis(void); -void icivau(uint64_t ivau); +static inline void dccisw(uint64_t cisw) +{ + __asm__ __volatile__("dc cisw, %0\n\t" : : "r" (cisw) : "memory"); +} + +static inline void dccivac(uint64_t civac) +{ + __asm__ __volatile__("dc civac, %0\n\t" : : "r" (civac) : "memory"); +} + +static inline void dccsw(uint64_t csw) +{ + __asm__ __volatile__("dc csw, %0\n\t" : : "r" (csw) : "memory"); +} + +static inline void dccvac(uint64_t cvac) +{ + __asm__ __volatile__("dc cvac, %0\n\t" : : "r" (cvac) : "memory"); +} + +static inline void dccvau(uint64_t cvau) +{ + __asm__ __volatile__("dc cvau, %0\n\t" : : "r" (cvau) : "memory"); +} + +static inline void dcisw(uint64_t isw) +{ + __asm__ __volatile__("dc isw, %0\n\t" : : "r" (isw) : "memory"); +} + +static inline void dcivac(uint64_t ivac) +{ + __asm__ __volatile__("dc ivac, %0\n\t" : : "r" (ivac) : "memory"); +} + +static inline void dczva(uint64_t zva) +{ + __asm__ __volatile__("dc zva, %0\n\t" : : "r" (zva) : "memory"); +} + +static inline void iciallu(void) +{ + __asm__ __volatile__("ic iallu\n\t" : : : "memory"); +} + +static inline void icialluis(void) +{ + __asm__ __volatile__("ic ialluis\n\t" : : : "memory"); +} + +static inline void icivau(uint64_t ivau) +{ + __asm__ __volatile__("ic ivau, %0\n\t" : : "r" (ivau) : "memory"); +} /* TLB maintenance instructions */ -void tlbiall_el1(void); -void tlbiall_el2(void); -void tlbiall_el3(void); -void tlbiallis_el1(void); -void tlbiallis_el2(void); -void tlbiallis_el3(void); -void tlbivaa_el1(uint64_t va); +static inline void tlbiall_el1(void) +{ + __asm__ __volatile__("tlbi alle1\n\t" : : : "memory"); +} + +static inline void tlbiall_el2(void) +{ + __asm__ __volatile__("tlbi alle2\n\t" : : : "memory"); +} + +static inline void tlbiall_el3(void) +{ + __asm__ __volatile__("tlbi alle3\n\t" : : : "memory"); +} + +static inline void tlbiallis_el1(void) +{ + __asm__ __volatile__("tlbi alle1is\n\t" : : : "memory"); +} + +static inline void tlbiallis_el2(void) +{ + __asm__ __volatile__("tlbi alle2is\n\t" : : : "memory"); +} + +static inline void tlbiallis_el3(void) +{ + __asm__ __volatile__("tlbi alle3is\n\t" : : : "memory"); +} + +static inline void tlbivaa_el1(uint64_t va) +{ + __asm__ __volatile__("tlbi vaae1, %0\n\t" : : "r" (va) : "memory"); +} #endif /* __ASSEMBLER__ */ |