From patchwork Fri Apr 22 16:52:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 564893 Delivered-To: patch@linaro.org Received: by 2002:a05:7000:6886:0:0:0:0 with SMTP id m6csp700644map; Fri, 22 Apr 2022 10:51:49 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzMUMEBgkeQ7cvQ31PuxCCOoUwhbkH7ypBCQ21CthFsBFCPLK643zzrB9AW9Ll/CadgRwwI X-Received: by 2002:a25:b94a:0:b0:644:db14:ff10 with SMTP id s10-20020a25b94a000000b00644db14ff10mr5591274ybm.648.1650649908980; Fri, 22 Apr 2022 10:51:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1650649908; cv=none; d=google.com; s=arc-20160816; b=HWHCb5Y3FMMGjtPk0kbHm+dayTHjCJJ5NB2+oDgg7E4xkI05O8/Mhr2ZkoaOitw7Vt BAq6uPpKYZDDTL3QXw5P/TcVRsQ9KlHsYKpGBSwLlRdel9qSmJGbH8rUmCClBwIeFh6J M/exhY9Z6sjhHVy94hmW945cS0GzsxQaAp4P6TXHoFgXnvkYg1yvrzqY0c8V1saMrxHQ F9EUjHTNzPfSo66EG0eCtTzTZyGUqtDMq+BziXsRV2/D9A/pgu7k1Heh9wppZRQWcn4z zvbCiqjRJRpkrNmWCedueVnDaqyFjaeD81w+1+xFJqouNUaTezmEh8VWuts6f6iPsxsR 5B8Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=7xB33tWvW42qeEWj8nObMBV2LFMTDSEz/odcRi0ytnc=; b=oZQkCCexQ4zxf2HfMmNADpi/xwFdeq4c6m2qTBobpZiXRGKuUKXDHnd+9NrLFSxCEd n+Juw3lnX3dCvBng6FeOzYRz6n3oPy+bu3Npyt6JgJ8Y/1HpUvfuGRJow92Kow1qHAvh z/zAOKfPISPe8G3uqLbT15B2B51dqFXRL/i0n9DWYHNMkIjHdvQ3qpVkxJUPVkDfYS72 /NG6g2RlybjIga800SkSVPLrc6m0k71aUWCSoGiaoSzqb3BvufTDRbAc8Mz6h4p6mAog aBN6mBJzlXDo9DWZPGxYY7Oc6VmUUlBsPb48tx7lzWsfMmSidh79YLZeBOi7lCcfQzfd w3Mw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=ev87aBEF; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id r4-20020a258284000000b006339940441bsi5076911ybk.133.2022.04.22.10.51.48 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 22 Apr 2022 10:51:48 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=ev87aBEF; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:33964 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nhxRc-000275-Ff for patch@linaro.org; Fri, 22 Apr 2022 13:51:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50386) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nhwbJ-0000ts-MF for qemu-devel@nongnu.org; Fri, 22 Apr 2022 12:57:45 -0400 Received: from mail-il1-x130.google.com ([2607:f8b0:4864:20::130]:38616) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nhwbH-00085Q-Eu for qemu-devel@nongnu.org; Fri, 22 Apr 2022 12:57:45 -0400 Received: by mail-il1-x130.google.com with SMTP id i8so5421532ila.5 for ; Fri, 22 Apr 2022 09:57:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=7xB33tWvW42qeEWj8nObMBV2LFMTDSEz/odcRi0ytnc=; b=ev87aBEFhnqiaKjHCU3g4Pi2fRZ1r++M8fcYmW64aDWxlyn/qJlv0g46/m8KEfYZ2C e7+/apG2RGUL1qNOHPjhGuk3A62jYvBbKemjgc6irFM/rIttewrJQ85V0xqOKtAponyT OSmHmJE6V5N2duPPNAFTLnNWsLFOgfiWGUZd0uQi5w0uKbCkuGezDJfQjrgDwkCAFEBb 6wSUxPIIv7gk6An+y9I7pj8GW6bQPCpE4qdMoysqq/gNmDL3j9E4X0B3714yOkRdqEo9 TTR5mKSwGLgWAeB9zPcRMQX3G/TuCSJSyz2AIfSN7tdOF0wf44Q1TWFU1ouDLBBiAPSY 2grQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=7xB33tWvW42qeEWj8nObMBV2LFMTDSEz/odcRi0ytnc=; b=mni6rPk9duqDfAfPWzI5GuPPi8gpbTjpuh1i+/YwKlPx1o1Gm286dpzUHwHBVR6RmI CwaaFljeGfuLffTH9VVuMt50d+m8ggbPtpYtFm54gQQBXbTcfs60bg9QmoNMvegCGvoO Ii7+RL3dzqUWiezu2lqbkXHQ74uyU00M3qnWd5XfncKUVT7R3Nm+mn6Xb/u8ZdPDuRKM s0fc6CJhCCvHt7oImxhytw74r+STPpaeq088aiKFgxtwXMDWf+r1PUBd0HPiccCTBTdL TOayfLEyFnQeiQNrVKyhnnWWpCPuAcj/tTJzO34DZfk8LpdnjxAy4Fv8u5aqz3kp2Vxd 7Kag== X-Gm-Message-State: AOAM533s/JkL56uPs5/Jk9KyYEhT5+nzn9v36tSpbueqK0Ce15yKBAzI 0+vvlfLXjQaI1mtxr7x+HdlG4KYR4K7vmfVF X-Received: by 2002:a05:6e02:148c:b0:2cc:169d:87d5 with SMTP id n12-20020a056e02148c00b002cc169d87d5mr2438461ilk.214.1650646661643; Fri, 22 Apr 2022 09:57:41 -0700 (PDT) Received: from stoup.. ([2607:fb90:27d0:b0f2:934d:3e2:9f8c:dd1]) by smtp.gmail.com with ESMTPSA id n23-20020a6b8b17000000b00649a2634725sm816380iod.17.2022.04.22.09.57.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Apr 2022 09:57:41 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v8 67/68] tests/tcg/nios2: Add semihosting multiarch tests Date: Fri, 22 Apr 2022 09:52:37 -0700 Message-Id: <20220422165238.1971496-68-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220422165238.1971496-1-richard.henderson@linaro.org> References: <20220422165238.1971496-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::130; envelope-from=richard.henderson@linaro.org; helo=mail-il1-x130.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Alex_Benn=C3=A9e?= Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Add runtime supporting the nios2-semi.c interface. Execute the hello and memory multiarch tests. Cc: Alex Bennée Signed-off-by: Richard Henderson Message-Id: <20220421151735.31996-64-richard.henderson@linaro.org> Reviewed-by: Peter Maydell --- tests/tcg/nios2/semicall.h | 28 +++ tests/tcg/nios2/10m50-ghrd.ld | 66 +++++++ tests/tcg/nios2/Makefile.softmmu-target | 32 ++++ tests/tcg/nios2/boot.S | 218 ++++++++++++++++++++++++ tests/tcg/nios2/intr.S | 31 ++++ 5 files changed, 375 insertions(+) create mode 100644 tests/tcg/nios2/semicall.h create mode 100644 tests/tcg/nios2/10m50-ghrd.ld create mode 100644 tests/tcg/nios2/Makefile.softmmu-target create mode 100644 tests/tcg/nios2/boot.S create mode 100644 tests/tcg/nios2/intr.S diff --git a/tests/tcg/nios2/semicall.h b/tests/tcg/nios2/semicall.h new file mode 100644 index 0000000000..6ad4978099 --- /dev/null +++ b/tests/tcg/nios2/semicall.h @@ -0,0 +1,28 @@ +/* + * Nios2 semihosting interface. + * + * Copyright Linaro Ltd 2022 + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef SEMICALL_H +#define SEMICALL_H + +#define HOSTED_EXIT 0 +#define HOSTED_INIT_SIM 1 +#define HOSTED_OPEN 2 +#define HOSTED_CLOSE 3 +#define HOSTED_READ 4 +#define HOSTED_WRITE 5 +#define HOSTED_LSEEK 6 +#define HOSTED_RENAME 7 +#define HOSTED_UNLINK 8 +#define HOSTED_STAT 9 +#define HOSTED_FSTAT 10 +#define HOSTED_GETTIMEOFDAY 11 +#define HOSTED_ISATTY 12 +#define HOSTED_SYSTEM 13 + +#define semihosting_call break 1 + +#endif /* SEMICALL_H */ diff --git a/tests/tcg/nios2/10m50-ghrd.ld b/tests/tcg/nios2/10m50-ghrd.ld new file mode 100644 index 0000000000..7db0d59ad7 --- /dev/null +++ b/tests/tcg/nios2/10m50-ghrd.ld @@ -0,0 +1,66 @@ +/* + * Link script for the Nios2 10m50-ghrd board. + * + * Copyright Linaro Ltd 2022 + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +MEMORY +{ + tpf (rx) : ORIGIN = 0xc0000000, LENGTH = 1K + ram (rwx) : ORIGIN = 0xc8000000, LENGTH = 128M +} + +PHDRS +{ + RAM PT_LOAD; +} + +ENTRY(_start) +EXTERN(_start) +EXTERN(_interrupt) +EXTERN(_fast_tlb_miss) + +SECTIONS +{ + /* Begin at the (hardcoded) _interrupt entry point. */ + .text 0xc8000120 : { + *(.text.intr) + *(.text .text.* .gnu.linkonce.t.*) + } >ram :RAM + + .rodata : ALIGN(4) { + *(.rodata .rodata.* .gnu.linkonce.r.*) + } > ram :RAM + + .eh_frame_hdr : ALIGN (4) { + KEEP (*(.eh_frame_hdr)) + *(.eh_frame_entry .eh_frame_entry.*) + } >ram :RAM + .eh_frame : ALIGN (4) { + KEEP (*(.eh_frame)) *(.eh_frame.*) + } >ram :RAM + + .data : ALIGN(4) { + *(.shdata) + *(.data .data.* .gnu.linkonce.d.*) + . = ALIGN(4); + _gp = ABSOLUTE(. + 0x8000); + *(.got.plt) *(.got) + *(.lit8) + *(.lit4) + *(.sdata .sdata.* .gnu.linkonce.s.*) + } >ram :RAM + + .bss : ALIGN(4) { + __bss_start = ABSOLUTE(.); + *(.sbss .sbss.* .gnu.linkonce.sb.*) + *(.scommon) + *(.bss .bss.* .gnu.linkonce.b.*) + *(COMMON) + . = ALIGN(4); + __bss_end = ABSOLUTE(.); + } >ram :RAM + + __stack = ORIGIN(ram) + LENGTH(ram); +} diff --git a/tests/tcg/nios2/Makefile.softmmu-target b/tests/tcg/nios2/Makefile.softmmu-target new file mode 100644 index 0000000000..cea27472a6 --- /dev/null +++ b/tests/tcg/nios2/Makefile.softmmu-target @@ -0,0 +1,32 @@ +# +# Nios2 system tests +# +# Copyright Linaro Ltd 2022 +# SPDX-License-Identifier: GPL-2.0-or-later +# + +NIOS2_SYSTEM_SRC = $(SRC_PATH)/tests/tcg/nios2 +VPATH += $(NIOS2_SYSTEM_SRC) + +# These objects provide the basic boot code and helper functions for all tests +CRT_OBJS = boot.o intr.o $(MINILIB_OBJS) +LINK_SCRIPT = $(NIOS2_SYSTEM_SRC)/10m50-ghrd.ld + +CFLAGS += -nostdlib -g -O0 $(MINILIB_INC) +LDFLAGS += -Wl,-T$(LINK_SCRIPT) -static -nostdlib $(CRT_OBJS) -lgcc + +%.o: %.S + $(call quiet-command, $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -x assembler-with-cpp -c $< -o $@, AS, $@) + +%.o: %.c + $(call quiet-command, $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c $< -o $@, CC, $@) + +# Build and link the tests +%: %.o $(LINK_SCRIPT) $(CRT_OBJS) + $(call quiet-command, $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS), LD, $@) + +# FIXME: nios2 semihosting writes to stdout, not a chardev +QEMU_OPTS = -M 10m50-ghrd,vic=on -semihosting >$@.out -kernel + +memory: CFLAGS+=-DCHECK_UNALIGNED=0 +TESTS += $(MULTIARCH_TESTS) diff --git a/tests/tcg/nios2/boot.S b/tests/tcg/nios2/boot.S new file mode 100644 index 0000000000..f6771cbc81 --- /dev/null +++ b/tests/tcg/nios2/boot.S @@ -0,0 +1,218 @@ +/* + * Minimal Nios2 system boot code. + * + * Copyright Linaro Ltd 2022 + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "semicall.h" + + .text + .set noat + +_start: + /* Linker script defines stack at end of ram. */ + movia sp, __stack + + /* Install trampoline to _fast_tlb_miss at hardcoded vector. */ + movia r4, 0xc0000100 + movia r5, _ftm_tramp + movi r6, .L__ftm_end - _ftm_tramp + call memcpy + + /* Zero the bss to satisfy C. */ + movia r4, __bss_start + movia r6, __bss_end + sub r6, r6, r4 + movi r5, 0 + call memset + + /* Test! */ + call main + + /* Exit with main's return value. */ + movi r4, HOSTED_EXIT + mov r5, r2 + semihosting_call + + .globl _start + .type _start, @function + .size _start, . - _start + +_ftm_tramp: + movia et, _fast_tlb_miss + jmp et +.L__ftm_end: + + .type _ftm_tramp, @function + .size _ftm_tramp, . - _ftm_tramp + +#define dst r4 +#define src r5 +#define len r6 + +memcpy: + /* Store return value right away, per API */ + mov r2, dst + + /* Check for both dst and src aligned. */ + or at, dst, src + andi at, at, 3 + bne at, zero, .L_mc_test1 + + /* Copy blocks of 8. */ + + movi at, 8 + bltu len, at, .L_mc_test4 + +.L_mc_loop8: + ldw r8, 0(src) + ldw r9, 4(src) + addi src, src, 8 + addi dst, dst, 8 + subi len, len, 8 + stw r8, -8(dst) + stw r9, -4(dst) + bgeu len, at, .L_mc_loop8 + + /* Copy final aligned block of 4. */ + +.L_mc_test4: + movi at, 4 + bltu len, at, .L_mc_test1 + + ldw r8, 0(src) + addi src, src, 4 + addi dst, dst, 4 + subi len, len, 4 + stw r8, -4(dst) + + /* Copy single bytes to finish. */ + +.L_mc_test1: + beq len, zero, .L_mc_done + +.L_mc_loop1: + ldb r8, 0(src) + addi src, src, 1 + addi dst, dst, 1 + subi len, len, 1 + stb r8, -1(dst) + bne len, zero, .L_mc_loop1 + +.L_mc_done: + ret + +#undef dst +#undef src +#undef len + + .global memcpy + .type memcpy, @function + .size memcpy, . - memcpy + +#define dst r4 +#define val r5 +#define len r6 + +memset: + /* Store return value right away, per API */ + mov r2, dst + + /* Check for small blocks; fall back to bytewise. */ + movi r3, 8 + bltu len, r3, .L_ms_test1 + + /* Replicate the byte across the word. */ + andi val, val, 0xff + slli at, val, 8 + or val, val, at + slli at, val, 16 + or val, val, at + + /* Check for destination alignment; realign if needed. */ + andi at, dst, 3 + bne at, zero, .L_ms_align + + /* Set blocks of 8. */ + +.L_ms_loop8: + stw val, 0(dst) + stw val, 4(dst) + addi dst, dst, 8 + subi len, len, 8 + bgeu len, r3, .L_ms_loop8 + + /* Set final aligned block of 4. */ + +.L_ms_test4: + movi at, 4 + bltu len, at, .L_ms_test1 + + stw r8, 0(dst) + addi dst, dst, 4 + subi len, len, 4 + stw r8, -4(dst) + + /* Set single bytes to finish. */ + +.L_ms_test1: + beq len, zero, .L_ms_done + +.L_ms_loop1: + stb r8, 0(dst) + addi dst, dst, 1 + subi len, len, 1 + bne len, zero, .L_ms_loop1 + +.L_ms_done: + ret + + /* Realign for a large block, len >= 8. */ +.L_ms_align: + andi at, dst, 1 + beq at, zero, 2f + + stb val, 0(dst) + addi dst, dst, 1 + subi len, len, 1 + +2: andi at, dst, 2 + beq at, zero, 4f + + sth val, 0(dst) + addi dst, dst, 2 + subi len, len, 2 + +4: bgeu len, r3, .L_ms_loop8 + br .L_ms_test4 + +#undef dst +#undef val +#undef len + + .global memset + .type memset, @function + .size memset, . - memset + +/* + * void __sys_outc(char c); + */ +__sys_outc: + subi sp, sp, 16 + stb r4, 0(sp) /* buffer[0] = c */ + movi at, 1 + stw at, 4(sp) /* STDOUT_FILENO */ + stw sp, 8(sp) /* buffer */ + stw at, 12(sp) /* len */ + + movi r4, HOSTED_WRITE + addi r5, sp, 4 + semihosting_call + + addi sp, sp, 16 + ret + + .global __sys_outc + .type __sys_outc, @function + .size __sys_outc, . - __sys_outc diff --git a/tests/tcg/nios2/intr.S b/tests/tcg/nios2/intr.S new file mode 100644 index 0000000000..c1730692ba --- /dev/null +++ b/tests/tcg/nios2/intr.S @@ -0,0 +1,31 @@ +/* + * Minimal Nios2 system boot code -- exit on interrupt. + * + * Copyright Linaro Ltd 2022 + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "semicall.h" + + .section .text.intr, "ax" + .global _interrupt + .type _interrupt, @function + +_interrupt: + rdctl r5, exception /* extract exception.CAUSE */ + srli r5, r5, 2 + movi r4, HOSTED_EXIT + semihosting_call + + .size _interrupt, . - _interrupt + + .text + .global _fast_tlb_miss + .type _fast_tlb_miss, @function + +_fast_tlb_miss: + movi r5, 32 + movi r4, HOSTED_EXIT + semihosting_call + + .size _fast_tlb_miss, . - _fast_tlb_miss