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df28140cc8
These are needed for fixed-point math calculations.
Taken from the same public repo where we got the 32-bit divide
routines for Cortex-M0. With minor modifications to match changes
we've made so far for the existing divide routines (put each function
in its own section, delete dead code, etc.)
BUG=chrome-os-partner:36126
BRANCH=minnie
TEST=hack in a debug console command to allow arbitrary int64 divide, see that
it works as expected
Change-Id: I987dbca7c806c71bc38fa816971ac3a54c1641a5
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/244501
Reviewed-by: Alec Berg <alecaberg@chromium.org>
25 lines
711 B
Makefile
25 lines
711 B
Makefile
# -*- makefile -*-
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# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Cortex-M4 core OS files build
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#
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# Select ARMv7-m bare-metal toolchain
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CROSS_COMPILE?=arm-none-eabi-
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# FPU compilation flags
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CFLAGS_FPU-$(CONFIG_FPU)=-mfpu=fpv4-sp-d16 -mfloat-abi=hard
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# CPU specific compilation flags
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CFLAGS_CPU+=-mthumb -Os -mno-sched-prolog
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CFLAGS_CPU+=-mno-unaligned-access
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CFLAGS_CPU+=$(CFLAGS_FPU-y)
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core-y=cpu.o init.o ldivmod.o uldivmod.o
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core-$(CONFIG_COMMON_PANIC_OUTPUT)+=panic.o
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core-$(CONFIG_COMMON_RUNTIME)+=switch.o task.o
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core-$(CONFIG_WATCHDOG)+=watchdog.o
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core-$(CONFIG_MPU)+=mpu.o
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