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llvm-mirror/lib/Target/ARM/ARMSystemRegister.td
Chandler Carruth ae65e281f3 Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00

156 lines
5.4 KiB
TableGen

//===-- ARMSystemRegister.td - ARM Register defs -------------*- tablegen -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
include "llvm/TableGen/SearchableTable.td"
//===----------------------------------------------------------------------===//
// Declarations that describe the ARM system-registers
//===----------------------------------------------------------------------===//
// M-Class System Registers.
// 'Mask' bits create unique keys for searches.
//
class MClassSysReg<bits<1> UniqMask1,
bits<1> UniqMask2,
bits<1> UniqMask3,
bits<12> Enc12,
string name> : SearchableTable {
let SearchableFields = ["Name", "M1Encoding12", "M2M3Encoding8", "Encoding"];
string Name;
bits<13> M1Encoding12;
bits<10> M2M3Encoding8;
bits<12> Encoding;
let Name = name;
let EnumValueField = "M1Encoding12";
let EnumValueField = "M2M3Encoding8";
let EnumValueField = "Encoding";
let M1Encoding12{12} = UniqMask1;
let M1Encoding12{11-00} = Enc12;
let Encoding = Enc12;
let M2M3Encoding8{9} = UniqMask2;
let M2M3Encoding8{8} = UniqMask3;
let M2M3Encoding8{7-0} = Enc12{7-0};
code Requires = [{ {} }];
}
// [|i|e|x]apsr_nzcvq has alias [|i|e|x]apsr.
// Mask1 Mask2 Mask3 Enc12, Name
let Requires = [{ {ARM::FeatureDSP} }] in {
def : MClassSysReg<0, 0, 0, 0x400, "apsr_g">;
def : MClassSysReg<0, 1, 1, 0xc00, "apsr_nzcvqg">;
def : MClassSysReg<0, 0, 0, 0x401, "iapsr_g">;
def : MClassSysReg<0, 1, 1, 0xc01, "iapsr_nzcvqg">;
def : MClassSysReg<0, 0, 0, 0x402, "eapsr_g">;
def : MClassSysReg<0, 1, 1, 0xc02, "eapsr_nzcvqg">;
def : MClassSysReg<0, 0, 0, 0x403, "xpsr_g">;
def : MClassSysReg<0, 1, 1, 0xc03, "xpsr_nzcvqg">;
}
def : MClassSysReg<0, 0, 1, 0x800, "apsr">;
def : MClassSysReg<1, 1, 0, 0x800, "apsr_nzcvq">;
def : MClassSysReg<0, 0, 1, 0x801, "iapsr">;
def : MClassSysReg<1, 1, 0, 0x801, "iapsr_nzcvq">;
def : MClassSysReg<0, 0, 1, 0x802, "eapsr">;
def : MClassSysReg<1, 1, 0, 0x802, "eapsr_nzcvq">;
def : MClassSysReg<0, 0, 1, 0x803, "xpsr">;
def : MClassSysReg<1, 1, 0, 0x803, "xpsr_nzcvq">;
def : MClassSysReg<0, 0, 1, 0x805, "ipsr">;
def : MClassSysReg<0, 0, 1, 0x806, "epsr">;
def : MClassSysReg<0, 0, 1, 0x807, "iepsr">;
def : MClassSysReg<0, 0, 1, 0x808, "msp">;
def : MClassSysReg<0, 0, 1, 0x809, "psp">;
let Requires = [{ {ARM::HasV8MBaselineOps} }] in {
def : MClassSysReg<0, 0, 1, 0x80a, "msplim">;
def : MClassSysReg<0, 0, 1, 0x80b, "psplim">;
}
def : MClassSysReg<0, 0, 1, 0x810, "primask">;
let Requires = [{ {ARM::HasV7Ops} }] in {
def : MClassSysReg<0, 0, 1, 0x811, "basepri">;
def : MClassSysReg<0, 0, 1, 0x812, "basepri_max">;
def : MClassSysReg<0, 0, 1, 0x813, "faultmask">;
}
def : MClassSysReg<0, 0, 1, 0x814, "control">;
let Requires = [{ {ARM::Feature8MSecExt} }] in {
def : MClassSysReg<0, 0, 1, 0x888, "msp_ns">;
def : MClassSysReg<0, 0, 1, 0x889, "psp_ns">;
}
let Requires = [{ {ARM::Feature8MSecExt, ARM::HasV8MBaselineOps} }] in {
def : MClassSysReg<0, 0, 1, 0x88a, "msplim_ns">;
def : MClassSysReg<0, 0, 1, 0x88b, "psplim_ns">;
}
def : MClassSysReg<0, 0, 1, 0x890, "primask_ns">;
let Requires = [{ {ARM::Feature8MSecExt, ARM::HasV7Ops} }] in {
def : MClassSysReg<0, 0, 1, 0x891, "basepri_ns">;
def : MClassSysReg<0, 0, 1, 0x893, "faultmask_ns">;
}
let Requires = [{ {ARM::Feature8MSecExt} }] in {
def : MClassSysReg<0, 0, 1, 0x894, "control_ns">;
def : MClassSysReg<0, 0, 1, 0x898, "sp_ns">;
}
// Banked Registers
//
class BankedReg<string name, bits<8> enc>
: SearchableTable {
string Name;
bits<8> Encoding;
let Name = name;
let Encoding = enc;
let SearchableFields = ["Name", "Encoding"];
}
// The values here come from B9.2.3 of the ARM ARM, where bits 4-0 are SysM
// and bit 5 is R.
def : BankedReg<"r8_usr", 0x00>;
def : BankedReg<"r9_usr", 0x01>;
def : BankedReg<"r10_usr", 0x02>;
def : BankedReg<"r11_usr", 0x03>;
def : BankedReg<"r12_usr", 0x04>;
def : BankedReg<"sp_usr", 0x05>;
def : BankedReg<"lr_usr", 0x06>;
def : BankedReg<"r8_fiq", 0x08>;
def : BankedReg<"r9_fiq", 0x09>;
def : BankedReg<"r10_fiq", 0x0a>;
def : BankedReg<"r11_fiq", 0x0b>;
def : BankedReg<"r12_fiq", 0x0c>;
def : BankedReg<"sp_fiq", 0x0d>;
def : BankedReg<"lr_fiq", 0x0e>;
def : BankedReg<"lr_irq", 0x10>;
def : BankedReg<"sp_irq", 0x11>;
def : BankedReg<"lr_svc", 0x12>;
def : BankedReg<"sp_svc", 0x13>;
def : BankedReg<"lr_abt", 0x14>;
def : BankedReg<"sp_abt", 0x15>;
def : BankedReg<"lr_und", 0x16>;
def : BankedReg<"sp_und", 0x17>;
def : BankedReg<"lr_mon", 0x1c>;
def : BankedReg<"sp_mon", 0x1d>;
def : BankedReg<"elr_hyp", 0x1e>;
def : BankedReg<"sp_hyp", 0x1f>;
def : BankedReg<"spsr_fiq", 0x2e>;
def : BankedReg<"spsr_irq", 0x30>;
def : BankedReg<"spsr_svc", 0x32>;
def : BankedReg<"spsr_abt", 0x34>;
def : BankedReg<"spsr_und", 0x36>;
def : BankedReg<"spsr_mon", 0x3c>;
def : BankedReg<"spsr_hyp", 0x3e>;