From 47f8114261a50dcb44bd3be355b705e37d920944 Mon Sep 17 00:00:00 2001 From: Matthew Wahab Date: Thu, 10 Dec 2015 14:09:03 +0000 Subject: [PATCH] [AArch64][PATCH 2/2] Add RAS system registers. The ARMv8.2 RAS extension adds a number of new registers. This patch adds the registers and makes them available whenever the RAS extension is enabled, as it is when -march=armv8.2-a is selected. The new registers are: erridr_el1, errselr_el1, erxfr_el1, erxctlr, erxaddr_el1, erxmisc0_el1, erxmisc1_el1, vsesr_el2, disr_el1 and vdisr_el2. gas/testsuite/ 2015-12-10 Matthew Wahab * gas/aarch64/sysreg-2.d: Add tests for new registers. * gas/aarch64/sysreg-2.s: Likewise. Also replace some spaces with tabs. opcodes/ 2015-12-10 Matthew Wahab * aarch64-opc.c (aarch64_sys_regs): Add "vsesr_el2", "erridr_el1", "errselr_el1", "erxfr_el1", "erxctlr", "erxaddr_el1", "erxmisc0_el1", "erxmisc1_el1", "disr_el1" and "vdisr_el2". (aarch64_sys_reg_supported_p): Add architecture feature tests for new registers. Change-Id: I8a01a0f0ee7987f89eead32650f6afcc749b3c74 --- gas/testsuite/ChangeLog | 6 ++++++ gas/testsuite/gas/aarch64/sysreg-2.d | 18 ++++++++++++++++++ gas/testsuite/gas/aarch64/sysreg-2.s | 17 +++++++++++++++++ opcodes/ChangeLog | 8 ++++++++ opcodes/aarch64-opc.c | 37 ++++++++++++++++++++++++++++++++++++ 5 files changed, 86 insertions(+) diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog index 7fd79a8..dd4a44a 100644 --- a/gas/testsuite/ChangeLog +++ b/gas/testsuite/ChangeLog @@ -1,5 +1,11 @@ 2015-12-10 Matthew Wahab + * gas/aarch64/sysreg-2.d: Add tests for new registers. + * gas/aarch64/sysreg-2.s: Likewise. Also replace some spaces with + tabs. + +2015-12-10 Matthew Wahab + * gas/aarch64/system-2.d: New. * gas/aarch64/system-2.s: New. * gas/aarch64/system.d: Adjust expected output for HINT 16. diff --git a/gas/testsuite/gas/aarch64/sysreg-2.d b/gas/testsuite/gas/aarch64/sysreg-2.d index f0fe533..31b9f33 100644 --- a/gas/testsuite/gas/aarch64/sysreg-2.d +++ b/gas/testsuite/gas/aarch64/sysreg-2.d @@ -9,3 +9,21 @@ Disassembly of section .text: 0000000000000000 <.*>: [0-9a-f]+: d5380725 mrs x5, id_aa64mmfr1_el1 [0-9a-f]+: d5380747 mrs x7, id_aa64mmfr2_el1 + [0-9a-f]+: d5385305 mrs x5, erridr_el1 + [0-9a-f]+: d5185327 msr errselr_el1, x7 + [0-9a-f]+: d5385327 mrs x7, errselr_el1 + [0-9a-f]+: d5385405 mrs x5, erxfr_el1 + [0-9a-f]+: d5185425 msr erxctlr_el1, x5 + [0-9a-f]+: d5385425 mrs x5, erxctlr_el1 + [0-9a-f]+: d5185445 msr erxstatus_el1, x5 + [0-9a-f]+: d5385445 mrs x5, erxstatus_el1 + [0-9a-f]+: d5185465 msr erxaddr_el1, x5 + [0-9a-f]+: d5385465 mrs x5, erxaddr_el1 + [0-9a-f]+: d5185505 msr erxmisc0_el1, x5 + [0-9a-f]+: d5385505 mrs x5, erxmisc0_el1 + [0-9a-f]+: d5185525 msr erxmisc1_el1, x5 + [0-9a-f]+: d5385525 mrs x5, erxmisc1_el1 + [0-9a-f]+: d53c5265 mrs x5, vsesr_el2 + [0-9a-f]+: d518c125 msr disr_el1, x5 + [0-9a-f]+: d538c125 mrs x5, disr_el1 + [0-9a-f]+: d53cc125 mrs x5, vdisr_el2 diff --git a/gas/testsuite/gas/aarch64/sysreg-2.s b/gas/testsuite/gas/aarch64/sysreg-2.s index f519682..2a6b06c 100644 --- a/gas/testsuite/gas/aarch64/sysreg-2.s +++ b/gas/testsuite/gas/aarch64/sysreg-2.s @@ -13,3 +13,20 @@ rw_sys_reg sys_reg=id_aa64mmfr1_el1 xreg=x5 r=1 w=0 rw_sys_reg sys_reg=id_aa64mmfr2_el1 xreg=x7 r=1 w=0 + + /* RAS extension. */ + + rw_sys_reg sys_reg=erridr_el1 xreg=x5 r=1 w=0 + rw_sys_reg sys_reg=errselr_el1 xreg=x7 r=1 w=1 + + rw_sys_reg sys_reg=erxfr_el1 xreg=x5 r=1 w=0 + rw_sys_reg sys_reg=erxctlr_el1 xreg=x5 r=1 w=1 + rw_sys_reg sys_reg=erxstatus_el1 xreg=x5 r=1 w=1 + rw_sys_reg sys_reg=erxaddr_el1 xreg=x5 r=1 w=1 + + rw_sys_reg sys_reg=erxmisc0_el1 xreg=x5 r=1 w=1 + rw_sys_reg sys_reg=erxmisc1_el1 xreg=x5 r=1 w=1 + + rw_sys_reg sys_reg=vsesr_el2 xreg=x5 r=1 w=0 + rw_sys_reg sys_reg=disr_el1 xreg=x5 r=1 w=1 + rw_sys_reg sys_reg=vdisr_el2 xreg=x5 r=1 w=0 diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index d69a9f5..8b59032 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,5 +1,13 @@ 2015-12-10 Matthew Wahab + * aarch64-opc.c (aarch64_sys_regs): Add "vsesr_el2", "erridr_el1", + "errselr_el1", "erxfr_el1", "erxctlr", "erxaddr_el1", + "erxmisc0_el1", "erxmisc1_el1", "disr_el1" and "vdisr_el2". + (aarch64_sys_reg_supported_p): Add architecture feature tests for + new registers. + +2015-12-10 Matthew Wahab + * aarch64-asm-2.c: Regenerate. * aarch64-dis-2.c: Regenerate. * aarch64-tbl.h (aarch64_feature_ras): New. diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c index db14ce2..0c1d17d 100644 --- a/opcodes/aarch64-opc.c +++ b/opcodes/aarch64-opc.c @@ -2870,7 +2870,16 @@ const aarch64_sys_reg aarch64_sys_regs [] = { "esr_el2", CPENC(3,4,C5,C2,0), 0 }, { "esr_el3", CPENC(3,6,C5,C2,0), 0 }, { "esr_el12", CPENC (3, 5, C5, C2, 0), F_ARCHEXT }, + { "vsesr_el2", CPENC (3, 4, C5, C2, 3), F_ARCHEXT }, /* RO */ { "fpexc32_el2", CPENC(3,4,C5,C3,0), 0 }, + { "erridr_el1", CPENC (3, 0, C5, C3, 0), F_ARCHEXT }, /* RO */ + { "errselr_el1", CPENC (3, 0, C5, C3, 1), F_ARCHEXT }, + { "erxfr_el1", CPENC (3, 0, C5, C4, 0), F_ARCHEXT }, /* RO */ + { "erxctlr_el1", CPENC (3, 0, C5, C4, 1), F_ARCHEXT }, + { "erxstatus_el1", CPENC (3, 0, C5, C4, 2), F_ARCHEXT }, + { "erxaddr_el1", CPENC (3, 0, C5, C4, 3), F_ARCHEXT }, + { "erxmisc0_el1", CPENC (3, 0, C5, C5, 0), F_ARCHEXT }, + { "erxmisc1_el1", CPENC (3, 0, C5, C5, 1), F_ARCHEXT }, { "far_el1", CPENC(3,0,C6,C0,0), 0 }, { "far_el2", CPENC(3,4,C6,C0,0), 0 }, { "far_el3", CPENC(3,6,C6,C0,0), 0 }, @@ -2896,6 +2905,8 @@ const aarch64_sys_reg aarch64_sys_regs [] = { "rmr_el2", CPENC(3,4,C12,C0,2), 0 }, { "rmr_el3", CPENC(3,6,C12,C0,2), 0 }, { "isr_el1", CPENC(3,0,C12,C1,0), 0 }, /* RO */ + { "disr_el1", CPENC (3, 0, C12, C1, 1), F_ARCHEXT }, + { "vdisr_el2", CPENC (3, 4, C12, C1, 1), F_ARCHEXT }, { "contextidr_el1", CPENC(3,0,C13,C0,1), 0 }, { "contextidr_el2", CPENC (3, 4, C13, C0, 1), F_ARCHEXT }, { "contextidr_el12", CPENC (3, 5, C13, C0, 1), F_ARCHEXT }, @@ -3162,6 +3173,32 @@ aarch64_sys_reg_supported_p (const aarch64_feature_set features, && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2)) return FALSE; + /* RAS extension. */ + + /* ERRIDR_EL1 and ERRSELR_EL1. */ + if ((reg->value == CPENC (3, 0, C5, C3, 0) + || reg->value == CPENC (3, 0, C5, C3, 1)) + && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS)) + return FALSE; + + /* ERXFR_EL1, ERXCTLR_EL1, ERXSTATUS_EL, ERXADDR_EL1, ERXMISC0_EL1 AND + ERXMISC1_EL1. */ + if ((reg->value == CPENC (3, 0, C5, C3, 0) + || reg->value == CPENC (3, 0, C5, C3 ,1) + || reg->value == CPENC (3, 0, C5, C3, 2) + || reg->value == CPENC (3, 0, C5, C3, 3) + || reg->value == CPENC (3, 0, C5, C5, 0) + || reg->value == CPENC (3, 0, C5, C5, 1)) + && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS)) + return FALSE; + + /* VSESR_EL2, DISR_EL1 and VDISR_EL2. */ + if ((reg->value == CPENC (3, 4, C5, C2, 3) + || reg->value == CPENC (3, 0, C12, C1, 1) + || reg->value == CPENC (3, 4, C12, C1, 1)) + && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS)) + return FALSE; + return TRUE; } -- 2.7.4