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AnimeshAgarwal28AnimeshAgarwal28
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feat: add floating-point register file
Signed-off-by: Animesh Agarwal <[email protected]>
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‎spec/schemas/schema_defs.json‎

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{
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"type": "string",
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"minLength": 1,
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"enum": ["MXLEN"]
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"enum": ["MXLEN", "FLEN"]
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}
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]
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},

‎spec/std/isa/register_file/F.yaml‎

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# Copyright (c) Animesh Agarwal
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# SPDX-License-Identifier: BSD-3-Clause-Clear
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# yaml-language-server: $schema=../../../../schemas/register_file_schema.json
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$schema: register_file_schema.json#
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kind: register_file
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name: F
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long_name: Floating-Point Registers
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description: |
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The 'F' register file contains the 32 floating-point registers used by
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RISC-V floating-point extensions. Each register stores FLEN bits of state and
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participates in the standard calling convention defined by the RISC-V ABI spec.
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definedBy: F
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register_class: floating_point
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register_length: FLEN
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registers:
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- name: f0
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abi_mnemonics: [ft0]
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caller_saved: true
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roles: [temporary]
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description: Caller-saved temporary register.
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- name: f1
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abi_mnemonics: [ft1]
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caller_saved: true
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roles: [temporary]
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description: Caller-saved temporary register.
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- name: f2
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abi_mnemonics: [ft2]
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caller_saved: true
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roles: [temporary]
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description: Caller-saved temporary register.
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- name: f3
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abi_mnemonics: [ft3]
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caller_saved: true
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roles: [temporary]
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description: Caller-saved temporary register.
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- name: f4
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abi_mnemonics: [ft4]
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caller_saved: true
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roles: [temporary]
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description: Caller-saved temporary register.
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- name: f5
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abi_mnemonics: [ft5]
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caller_saved: true
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roles: [temporary]
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description: Caller-saved temporary register.
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- name: f6
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abi_mnemonics: [ft6]
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caller_saved: true
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roles: [temporary]
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description: Caller-saved temporary register.
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- name: f7
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abi_mnemonics: [ft7]
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caller_saved: true
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roles: [temporary]
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description: Caller-saved temporary register.
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- name: f8
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abi_mnemonics: [fs0]
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callee_saved: true
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description: Callee-saved floating-point register.
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- name: f9
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abi_mnemonics: [fs1]
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callee_saved: true
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description: Callee-saved floating-point register.
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- name: f10
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abi_mnemonics: [fa0]
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caller_saved: true
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roles: [argument, return_value]
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description: Floating-point argument / return value register 0.
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- name: f11
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abi_mnemonics: [fa1]
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caller_saved: true
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roles: [argument, return_value]
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description: Floating-point argument / return value register 1.
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- name: f12
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abi_mnemonics: [fa2]
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caller_saved: true
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roles: [argument]
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description: Floating-point argument register 2.
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- name: f13
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abi_mnemonics: [fa3]
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caller_saved: true
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roles: [argument]
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description: Floating-point argument register 3.
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- name: f14
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abi_mnemonics: [fa4]
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caller_saved: true
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roles: [argument]
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description: Floating-point argument register 4.
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- name: f15
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abi_mnemonics: [fa5]
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caller_saved: true
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roles: [argument]
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description: Floating-point argument register 5.
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- name: f16
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abi_mnemonics: [fa6]
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caller_saved: true
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roles: [argument]
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description: Floating-point argument register 6.
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- name: f17
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abi_mnemonics: [fa7]
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caller_saved: true
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roles: [argument]
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description: Floating-point argument register 7.
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- name: f18
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abi_mnemonics: [fs2]
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callee_saved: true
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description: Callee-saved floating-point register.
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- name: f19
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abi_mnemonics: [fs3]
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callee_saved: true
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description: Callee-saved floating-point register.
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- name: f20
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abi_mnemonics: [fs4]
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callee_saved: true
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description: Callee-saved floating-point register.
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- name: f21
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abi_mnemonics: [fs5]
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callee_saved: true
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description: Callee-saved floating-point register.
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- name: f22
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abi_mnemonics: [fs6]
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callee_saved: true
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description: Callee-saved floating-point register.
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- name: f23
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abi_mnemonics: [fs7]
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callee_saved: true
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description: Callee-saved floating-point register.
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- name: f24
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abi_mnemonics: [fs8]
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callee_saved: true
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description: Callee-saved floating-point register.
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- name: f25
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abi_mnemonics: [fs9]
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callee_saved: true
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description: Callee-saved floating-point register.
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- name: f26
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abi_mnemonics: [fs10]
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callee_saved: true
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description: Callee-saved floating-point register.
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- name: f27
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abi_mnemonics: [fs11]
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callee_saved: true
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description: Callee-saved floating-point register.
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- name: f28
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abi_mnemonics: [ft8]
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caller_saved: true
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roles: [temporary]
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description: Caller-saved temporary register.
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- name: f29
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abi_mnemonics: [ft9]
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caller_saved: true
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roles: [temporary]
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description: Caller-saved temporary register.
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- name: f30
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abi_mnemonics: [ft10]
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caller_saved: true
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roles: [temporary]
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description: Caller-saved temporary register.
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- name: f31
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abi_mnemonics: [ft11]
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caller_saved: true
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roles: [temporary]
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description: Caller-saved temporary register.

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