From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: None (no SPF record) identity=mailfrom; client-ip=2a00:1450:400c:c09::241; helo=mail-wm0-x241.google.com; envelope-from=pete@akeo.ie; receiver=edk2-devel@lists.01.org Received: from mail-wm0-x241.google.com (mail-wm0-x241.google.com [IPv6:2a00:1450:400c:c09::241]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 8D27A2217CE3D for ; Wed, 6 Dec 2017 03:10:53 -0800 (PST) Received: by mail-wm0-x241.google.com with SMTP id t8so6515495wmc.3 for ; Wed, 06 Dec 2017 03:15:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akeo-ie.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=V0Qo40dahkAo9cCt34O74x2qSBNuw+inIRQUm4fI3ik=; b=fg7Upwi3yBkRFhSEQpOqdjLmmO/YYk4/9Qth14JpqVRWTwW4UBOn0jln6ssp3MgbEp r8DcNYvtF+B/QzGXDLN2VFol2hgYOkLsma7Q3M157IpdVA5OWEi1zxQipJwXmsr5Z2th sQi5rLqi4QQXpI1k9YCannY27FLnNA+bdlKvDDf5Q/8b2o2YqeNIazCSy7EU2KDkVyg2 6rGt497q2AVyHxOrin5B9qtPUladG0EXrBhU00zl1yJCwteNxWjph5kWIKeckL7GiWEV J7Yec7UKcXN3gh9zQsPjRNOlOMvUtwUsRf06ItwHtOLXMs+vR6afs7DResq2u+G1v38h cQMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=V0Qo40dahkAo9cCt34O74x2qSBNuw+inIRQUm4fI3ik=; b=ErSsSTRBHkedR6BvOJBk6phn4c302iQxb4R67Eb0COmriGNPvbrPRF0/kNZb3DMN1b I3ffzXztCS2lRaqd8tqHKopePNSKSq1ZrKBWeHB4k4lFjq1XgHGaVRrVA7QoEb8cp8xc n240DW+vXtdKhdF/d036n2ML+B+rA5oojq3/g9Ilfl/rS3PTBKNMVorWxStgAol0a0yz nkCvSj5O+nKMUQbSYs3fS+MoH9d9t7OfdGY1I37cvLEDPNBk2BiFN28G+MN9WWp41PsH 6pKgrdTYnOcXo7YYYKFBxPj1TaMzE3XZNg8rgjwIE68I6u9DY65RBcty5E4hXtBzI0et dR/A== X-Gm-Message-State: AJaThX77AOozay1kWkpiqNu20ZWhe79ek/idQcnYPbVlFKgzMnEU5svg InRxyfSqOE6/h+5tcjmPwHO4SLmRaak= X-Google-Smtp-Source: AGs4zMZSchdLD6pITIBJjgoLJUnOu4gQuJSykRh0keSoLWKANn4htO4pkdRq1nprcN6tSza/JiEBjA== X-Received: by 10.80.224.198 with SMTP id j6mr40166178edl.0.1512558923909; Wed, 06 Dec 2017 03:15:23 -0800 (PST) Received: from localhost.localdomain ([84.203.69.204]) by smtp.gmail.com with ESMTPSA id b17sm1132422edj.21.2017.12.06.03.15.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 06 Dec 2017 03:15:23 -0800 (PST) From: Pete Batard To: edk2-devel@lists.01.org Cc: liming.gao@intel.com Date: Wed, 6 Dec 2017 11:15:07 +0000 Message-Id: <20171206111509.10144-5-pete@akeo.ie> X-Mailer: git-send-email 2.9.3.windows.2 In-Reply-To: <20171206111509.10144-1-pete@akeo.ie> References: <20171206111509.10144-1-pete@akeo.ie> Subject: [PATCH v2 4/6] ArmPkg/Library/CompilerIntrinsicsLib: Enable VS2017/ARM builds X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Dec 2017 11:10:54 -0000 Introduce CRT assembly replacements for __rt_sdiv, __rt_udiv, __rt_udiv64, __rt_sdiv64, __rt_srsh, memcpy and memset. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Pete Batard --- ArmPkg/Library/CompilerIntrinsicsLib/Arm/rtdiv.asm | 255 ++++++++++++++++++++ ArmPkg/Library/CompilerIntrinsicsLib/Arm/rtsrsh.asm | 45 ++++ ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf | 13 +- ArmPkg/Library/CompilerIntrinsicsLib/memcpy_ms.c | 34 +++ ArmPkg/Library/CompilerIntrinsicsLib/memset_ms.c | 33 +++ 5 files changed, 378 insertions(+), 2 deletions(-) diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/rtdiv.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/rtdiv.asm new file mode 100644 index 000000000000..096dc6317318 --- /dev/null +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/rtdiv.asm @@ -0,0 +1,255 @@ +///** @file +// +// This code provides replacement for MSVC CRT division functions +// +// Copyright (c) 2017, Pete Batard. All rights reserved.
+// Based on generated assembly of ReactOS' sdk/lib/crt/math/arm/__rt_###div.c, +// Copyright (c) Timo Kreuzer. All rights reserved.
+// +// This program and the accompanying materials +// are licensed and made available under the terms and conditions of the BSD License +// which accompanies this distribution. The full text of the license may be found at +// http://opensource.org/licenses/bsd-license.php +// +// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +// +//**/ + + EXPORT _fltused + EXPORT __brkdiv0 + + EXPORT __rt_sdiv + EXPORT __rt_udiv + EXPORT __rt_udiv64 + EXPORT __rt_sdiv64 + + AREA Math, CODE, READONLY + +_fltused + dcd 0x9875 + +__brkdiv0 + udf #249 + +// +// uint64_t __rt_udiv(uint32_t divisor, uint32_t dividend) +// + +__rt_udiv + cmp r0, #0 + beq __brkdiv0 + push {r3-r5,lr} + mov r5,r0 + mov r4,r1 + cmp r5,r4 + it hi + movhi r0,#0 + bhi __rt_udiv_label3 + clz r2,r5 + clz r3,r4 + subs r3,r2,r3 + movs r1,#1 + lsl r2,r5,r3 + lsl r3,r1,r3 + movs r0,#0 +__rt_udiv_label1 + cmp r4,r2 + bcc __rt_udiv_label2 + orrs r0,r0,r3 + subs r4,r4,r2 +__rt_udiv_label2 + lsrs r2,r2,#1 + lsrs r3,r3,#1 + bne __rt_udiv_label1 +__rt_udiv_label3 + mov r1,r4 + pop {r3-r5,pc} + +// +// uint64_t __rt_sdiv(int32_t divisor, int32_t dividend) +// + +__rt_sdiv + cmp r0, #0 + beq __brkdiv0 + push {r4-r6,lr} + mov r4,r1 + ands r6,r0,#0x80000000 + it ne + rsbne r4,r4,#0 + mov r5,r0 + rsbs r5,r5,#0 + cmp r5,r4 + it hi + movhi r0,#0 + bhi __rt_sdiv_label3 + clz r2,r5 + clz r3,r4 + subs r3,r2,r3 + movs r1,#1 + lsl r2,r5,r3 + lsl r3,r1,r3 + movs r0,#0 +__rt_sdiv_label1 + cmp r4,r2 + bcc __rt_sdiv_label2 + orrs r0,r0,r3 + subs r4,r4,r2 +__rt_sdiv_label2 + lsrs r2,r2,#1 + lsrs r3,r3,#1 + bne __rt_sdiv_label1 +__rt_sdiv_label3 + cbz r6,__rt_sdiv_label4 + rsbs r4,r4,#0 +__rt_sdiv_label4 + mov r1,r4 + pop {r4-r6,pc} + +// +// typedef struct { +// uint64_t quotient; +// uint64_t modulus; +// } udiv64_result_t; +// +// void __rt_udiv64_internal(udiv64_result_t *result, uint64_t divisor, uint64_t dividend) +// + +__rt_udiv64_internal + orrs r1,r2,r3 + beq __brkdiv0 + push {r4-r8,lr} + mov r7,r3 + mov r6,r2 + mov r4,r0 + ldrd r0,r5,[sp,#0x18] + cmp r7,r5 + bcc __rt_udiv64_internal_label2 + bhi __rt_udiv64_internal_label1 + cmp r6,r0 + bls __rt_udiv64_internal_label2 +__rt_udiv64_internal_label1 + movs r3,#0 + strd r3,r3,[r4] + b __rt_udiv64_internal_label8 +__rt_udiv64_internal_label2 + clz r2,r7 + cmp r2,#0x20 + bne __rt_udiv64_internal_label3 + clz r3,r6 + add r2,r2,r3 +__rt_udiv64_internal_label3 + clz r1,r5 ; + cmp r1,#0x20 + bne __rt_udiv64_internal_label4 + clz r3,r0 + add r1,r1,r3 +__rt_udiv64_internal_label4 + subs r1,r2,r1 + rsb r3,r1,#0x20 + lsr r3,r6,r3 + lsl r2,r7,r1 + orrs r2,r2,r3 + sub r3,r1,#0x20 + lsl r3,r6,r3 + orrs r2,r2,r3 + lsl r7,r6,r1 + sub r3,r1,#0x20 + movs r6,#1 + lsls r6,r6,r3 + movs r3,#1 + mov lr,#0 + lsl r1,r3,r1 + mov r8,lr +__rt_udiv64_internal_label5 + cmp r5,r2 + bcc __rt_udiv64_internal_label7 + bhi __rt_udiv64_internal_label6 + cmp r0,r7 + bcc __rt_udiv64_internal_label7 +__rt_udiv64_internal_label6 + subs r0,r0,r7 + sbcs r5,r5,r2 + orr lr,lr,r1 + orr r8,r8,r6 +__rt_udiv64_internal_label7 + lsls r3,r2,#0x1F + orr r7,r3,r7,lsr #1 + lsls r3,r6,#0x1F + orr r1,r3,r1,lsr #1 + lsrs r6,r6,#1 + lsrs r2,r2,#1 + orrs r3,r1,r6 + bne __rt_udiv64_internal_label5 + strd lr,r8,[r4] +__rt_udiv64_internal_label8 + str r5,[r4,#0xC] + str r0,[r4,#8] + pop {r4-r8,pc} + +// +// {int64_t, int64_t} __rt_sdiv64(int64_t divisor, int64_t dividend) +// + +__rt_sdiv64 + push {r4-r6,lr} + sub sp,sp,#0x18 + and r6,r1,#0x80000000 + movs r4,r6 + mov r5,r0 + beq __rt_sdiv64_label1 + movs r0,#0 + rsbs r2,r2,#0 + sbc r3,r0,r3 +__rt_sdiv64_label1 + movs r4,r6 + beq __rt_sdiv64_label2 + movs r0,#0 + rsbs r5,r5,#0 + sbc r1,r0,r1 +__rt_sdiv64_label2 + str r2,[sp] + str r3,[sp,#4] + mov r3,r1 + mov r2,r5 + add r0,sp,#8 + bl __rt_udiv64_internal + movs r3,r6 + beq __rt_sdiv64_label3 + ldrd r3,r2,[sp,#0x10] + movs r1,#0 + rsbs r3,r3,#0 + sbcs r1,r1,r2 + b __rt_sdiv64_label4 +__rt_sdiv64_label3 + ldrd r3,r1,[sp,#0x10] +__rt_sdiv64_label4 + mov r2,r3 + ldr r0,[sp,#8] + mov r3,r1 + ldr r1,[sp,#0xC] + add sp,sp,#0x18 + pop {r4-r6,pc} + +// +// {uint64_t, uint64_t} __rt_udiv64(uint64_t divisor, uint64_t dividend) +// + +__rt_udiv64 + push {r4,r5,lr} + sub sp,sp,#0x1C + mov r4,r2 + mov r2,r0 + mov r5,r3 + add r0,sp,#8 + mov r3,r1 + str r4,[sp] + str r5,[sp,#4] + bl __rt_udiv64_internal + ldrd r2,r3,[sp,#0x10] + ldrd r0,r1,[sp,#8] + add sp,sp,#0x1C + pop {r4,r5,pc} + + END diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/rtsrsh.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/rtsrsh.asm new file mode 100644 index 000000000000..2332dda823f2 --- /dev/null +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/rtsrsh.asm @@ -0,0 +1,45 @@ +///** @file +// +// This code provides replacement for MSVC CRT __rt_srsh +// +// Copyright (c) Timo Kreuzer. All rights reserved.
+// +// This program and the accompanying materials +// are licensed and made available under the terms and conditions of the BSD License +// which accompanies this distribution. The full text of the license may be found at +// http://opensource.org/licenses/bsd-license.php +// +// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +// +//**/ + + EXPORT __rt_srsh + + AREA Math, CODE, READONLY + +// +// int64_t __rt_srsh(int64_t value, uint32_t shift); +// + +__rt_srsh + rsbs r3, r2, #32 + bmi __rt_srsh_label1 + lsr r0, r0, r2 + lsl r3, r1, r3 + orr r0, r0, r3 + asr r1, r1, r2 + bx lr +__rt_srsh_label1 + cmp r2, 64 + bhs __rt_srsh_label2 + sub r3, r2, #32 + asr r0, r1, r3 + asr r1, r1, #32 + bx lr +__rt_srsh_label2 + asr r1, r1, #32 + mov r0, r1 + bx lr + + END diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf b/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf index 44333141a70a..0dacc5e5117d 100644 --- a/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf +++ b/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf @@ -23,8 +23,12 @@ [Defines] LIBRARY_CLASS = CompilerIntrinsicsLib [Sources] - memcpy.c - memset.c + memcpy.c | RVCT + memcpy.c | GCC + memcpy_ms.c | MSFT + memset.c | RVCT + memset.c | GCC + memset_ms.c | MSFT [Sources.ARM] Arm/mullu.asm | RVCT @@ -94,6 +98,8 @@ [Sources.ARM] Arm/llsr.S | GCC Arm/llsl.S | GCC + Arm/rtdiv.asm | MSFT + Arm/rtsrsh.asm | MSFT [Packages] MdePkg/MdePkg.dec @@ -101,3 +107,6 @@ [Packages] [LibraryClasses] +[BuildOptions] + MSFT:*_*_ARM_CC_FLAGS = /GL- + MSFT:*_*_AARCH64_CC_FLAGS = /GL- diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/memcpy_ms.c b/ArmPkg/Library/CompilerIntrinsicsLib/memcpy_ms.c new file mode 100644 index 000000000000..90bbbb930d31 --- /dev/null +++ b/ArmPkg/Library/CompilerIntrinsicsLib/memcpy_ms.c @@ -0,0 +1,34 @@ +//------------------------------------------------------------------------------ +// +// Copyright (c) 2017, Pete Batard. All rights reserved.
+// +// This program and the accompanying materials are licensed and made +// available under the terms and conditions of the BSD License which +// accompanies this distribution. The full text of the license may be +// found at http://opensource.org/licenses/bsd-license.php +// +// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR +// IMPLIED. +// +//------------------------------------------------------------------------------ + +#if defined(_M_ARM64) +typedef unsigned __int64 size_t; +#else +typedef unsigned __int32 size_t; +#endif + +void* memcpy(void *, const void *, size_t); +#pragma intrinsic(memcpy) +#pragma function(memcpy) +void* memcpy(void *dest, const void *src, size_t n) +{ + unsigned char *d = dest; + unsigned char const *s = src; + + while (n--) + *d++ = *s++; + + return dest; +} diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/memset_ms.c b/ArmPkg/Library/CompilerIntrinsicsLib/memset_ms.c new file mode 100644 index 000000000000..64205e5d1012 --- /dev/null +++ b/ArmPkg/Library/CompilerIntrinsicsLib/memset_ms.c @@ -0,0 +1,33 @@ +//------------------------------------------------------------------------------ +// +// Copyright (c) 2017, Pete Batard. All rights reserved.
+// +// This program and the accompanying materials are licensed and made +// available under the terms and conditions of the BSD License which +// accompanies this distribution. The full text of the license may be +// found at http://opensource.org/licenses/bsd-license.php +// +// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR +// IMPLIED. +// +//------------------------------------------------------------------------------ + +#if defined(_M_ARM64) +typedef unsigned __int64 size_t; +#else +typedef unsigned __int32 size_t; +#endif + +void* memset(void *, int, size_t); +#pragma intrinsic(memset) +#pragma function(memset) +void *memset(void *s, int c, size_t n) +{ + unsigned char *d = s; + + while (n--) + *d++ = (unsigned char)c; + + return s; +} -- 2.9.3.windows.2