forked from Qortal/Brooklyn
84ba5b15ac
* Enhance GPIO addon for Noctua Fans for the Qortector upcoming case. This will put PWM signal to real-time. * Fixed RDP not letting a user login if not logged out on Cinnamon release (reported by Crowetic) * Update i2c sensor db * Fixed DRM broadcast over HDMI 2+ * Ease up DHCP security only to prevent Brooklyn blocking routers. * Add possibility to add extra memory for Cinnamon Desktop Release * Fix error message of Software Render mode on Cinnamon Desktop * Add proper offset for HD screens for pixel array *Fixed HDMI jitter for videocore4 GPU * Enable all radios (including Bluetooth)
48 lines
1009 B
ArmAsm
48 lines
1009 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* ARCv2 memcpy implementation optimized for unaligned memory access using.
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*
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* Copyright (C) 2019 Synopsys
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* Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
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*/
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#include <linux/linkage.h>
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#ifdef CONFIG_ARC_HAS_LL64
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# define LOADX(DST,RX) ldd.ab DST, [RX, 8]
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# define STOREX(SRC,RX) std.ab SRC, [RX, 8]
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# define ZOLSHFT 5
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# define ZOLAND 0x1F
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#else
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# define LOADX(DST,RX) ld.ab DST, [RX, 4]
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# define STOREX(SRC,RX) st.ab SRC, [RX, 4]
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# define ZOLSHFT 4
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# define ZOLAND 0xF
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#endif
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ENTRY_CFI(memcpy)
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mov r3, r0 ; don;t clobber ret val
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lsr.f lp_count, r2, ZOLSHFT
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lpnz @.Lcopy32_64bytes
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;; LOOP START
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LOADX (r6, r1)
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LOADX (r8, r1)
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LOADX (r10, r1)
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LOADX (r4, r1)
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STOREX (r6, r3)
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STOREX (r8, r3)
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STOREX (r10, r3)
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STOREX (r4, r3)
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.Lcopy32_64bytes:
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and.f lp_count, r2, ZOLAND ;Last remaining 31 bytes
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lpnz @.Lcopyremainingbytes
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;; LOOP START
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ldb.ab r5, [r1, 1]
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stb.ab r5, [r3, 1]
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.Lcopyremainingbytes:
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j [blink]
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END_CFI(memcpy)
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