From patchwork Fri Dec 20 21:15:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sven Schnelle X-Patchwork-Id: 11306339 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A79B917EF for ; Fri, 20 Dec 2019 21:18:39 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 627832146E for ; Fri, 20 Dec 2019 21:18:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=duncanthrax.net header.i=@duncanthrax.net header.b="pzaSUDBj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 627832146E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=stackframe.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:33590 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iiPfS-0006u6-G4 for patchwork-qemu-devel@patchwork.kernel.org; Fri, 20 Dec 2019 16:18:38 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:40182) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iiPcN-00045X-GX for qemu-devel@nongnu.org; Fri, 20 Dec 2019 16:15:29 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iiPcL-0004VD-L5 for qemu-devel@nongnu.org; Fri, 20 Dec 2019 16:15:27 -0500 Received: from shroom.duncanthrax.net ([2a01:4f8:121:41fa::169]:49969 helo=smtp.duncanthrax.net) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iiPcL-0004Fc-4I for qemu-devel@nongnu.org; Fri, 20 Dec 2019 16:15:25 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=duncanthrax.net; s=dkim; h=Content-Transfer-Encoding:Content-Type: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=q8DCLcGfB3fvpOLtYawsy+xHXgyEY+X8j8P1IqJfjno=; b=pzaSUDBjv1q18IduJnMKF9ouyf F0N83KFSzkja4vApstfegSp17elHwdjNRYyOrPMl/W0JnxK5NEUOP4Uz5Fumo0XzFbEVS9VLzlUMW 2boET2vq5dS85u+6+FT31qr5hllI/HXeg/hPpYvlwkaT+gqC0tCickKhfOwrplLGIi7g=; Received: from hsi-kbw-046-005-233-221.hsi8.kabel-badenwuerttemberg.de ([46.5.233.221] helo=x280.stackframe.org) by smtp.duncanthrax.net with esmtpa (Exim 4.90_1) (envelope-from ) id 1iiPcH-0000lb-42; Fri, 20 Dec 2019 22:15:21 +0100 From: Sven Schnelle To: Richard Henderson Subject: [PATCH v5 1/6] hw/hppa/dino.c: Improve emulation of Dino PCI chip Date: Fri, 20 Dec 2019 22:15:07 +0100 Message-Id: <20191220211512.3289-2-svens@stackframe.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191220211512.3289-1-svens@stackframe.org> References: <20191220211512.3289-1-svens@stackframe.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a01:4f8:121:41fa::169 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Helge Deller , Sven Schnelle , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Helge Deller The tests of the dino chip with the Online-diagnostics CD ("ODE DINOTEST") now succeeds. Additionally add some qemu trace events. Signed-off-by: Helge Deller Signed-off-by: Sven Schnelle Reviewed-by: Philippe Mathieu-Daudé --- MAINTAINERS | 2 +- hw/hppa/dino.c | 97 +++++++++++++++++++++++++++++++++++++------- hw/hppa/trace-events | 5 +++ 3 files changed, 89 insertions(+), 15 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 387879aebc..e333bc67a4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -876,7 +876,7 @@ F: hw/*/etraxfs_*.c HP-PARISC Machines ------------------ -Dino +HP B160L M: Richard Henderson R: Helge Deller S: Odd Fixes diff --git a/hw/hppa/dino.c b/hw/hppa/dino.c index ab6969b45f..9797a7f0d9 100644 --- a/hw/hppa/dino.c +++ b/hw/hppa/dino.c @@ -1,7 +1,7 @@ /* - * HP-PARISC Dino PCI chipset emulation. + * HP-PARISC Dino PCI chipset emulation, as in B160L and similiar machines * - * (C) 2017 by Helge Deller + * (C) 2017-2019 by Helge Deller * * This work is licensed under the GNU GPL license version 2 or later. * @@ -21,6 +21,7 @@ #include "migration/vmstate.h" #include "hppa_sys.h" #include "exec/address-spaces.h" +#include "trace.h" #define TYPE_DINO_PCI_HOST_BRIDGE "dino-pcihost" @@ -82,11 +83,28 @@ #define DINO_PCI_HOST_BRIDGE(obj) \ OBJECT_CHECK(DinoState, (obj), TYPE_DINO_PCI_HOST_BRIDGE) +#define DINO800_REGS ((DINO_TLTIM - DINO_GMASK) / 4) +static const uint32_t reg800_keep_bits[DINO800_REGS] = { + MAKE_64BIT_MASK(0, 1), + MAKE_64BIT_MASK(0, 7), + MAKE_64BIT_MASK(0, 7), + MAKE_64BIT_MASK(0, 8), + MAKE_64BIT_MASK(0, 7), + MAKE_64BIT_MASK(0, 9), + MAKE_64BIT_MASK(0, 32), + MAKE_64BIT_MASK(0, 8), + MAKE_64BIT_MASK(0, 30), + MAKE_64BIT_MASK(0, 25), + MAKE_64BIT_MASK(0, 22), + MAKE_64BIT_MASK(0, 9), +}; + typedef struct DinoState { PCIHostState parent_obj; /* PCI_CONFIG_ADDR is parent_obj.config_reg, via pci_host_conf_be_ops, so that we can map PCI_CONFIG_DATA to pci_host_data_be_ops. */ + uint32_t config_reg_dino; /* keep original copy, including 2 lowest bits */ uint32_t iar0; uint32_t iar1; @@ -94,8 +112,12 @@ typedef struct DinoState { uint32_t ipr; uint32_t icr; uint32_t ilr; + uint32_t io_fbb_en; uint32_t io_addr_en; uint32_t io_control; + uint32_t toc_addr; + + uint32_t reg800[DINO800_REGS]; MemoryRegion this_mem; MemoryRegion pci_mem; @@ -106,8 +128,6 @@ typedef struct DinoState { MemoryRegion bm_ram_alias; MemoryRegion bm_pci_alias; MemoryRegion bm_cpu_alias; - - MemoryRegion cpu0_eir_mem; } DinoState; /* @@ -122,6 +142,8 @@ static void gsc_to_pci_forwarding(DinoState *s) tmp = extract32(s->io_control, 7, 2); enabled = (tmp == 0x01); io_addr_en = s->io_addr_en; + /* Mask out first (=firmware) and last (=Dino) areas. */ + io_addr_en &= ~(BIT(31) | BIT(0)); memory_region_transaction_begin(); for (i = 1; i < 31; i++) { @@ -142,6 +164,8 @@ static bool dino_chip_mem_valid(void *opaque, hwaddr addr, unsigned size, bool is_write, MemTxAttrs attrs) { + bool ret = false; + switch (addr) { case DINO_IAR0: case DINO_IAR1: @@ -152,16 +176,22 @@ static bool dino_chip_mem_valid(void *opaque, hwaddr addr, case DINO_ICR: case DINO_ILR: case DINO_IO_CONTROL: + case DINO_IO_FBB_EN: case DINO_IO_ADDR_EN: case DINO_PCI_IO_DATA: - return true; + case DINO_TOC_ADDR: + case DINO_GMASK ... DINO_TLTIM: + ret = true; + break; case DINO_PCI_IO_DATA + 2: - return size <= 2; + ret = (size <= 2); + break; case DINO_PCI_IO_DATA + 1: case DINO_PCI_IO_DATA + 3: - return size == 1; + ret = (size == 1); } - return false; + trace_dino_chip_mem_valid(addr, ret); + return ret; } static MemTxResult dino_chip_read_with_attrs(void *opaque, hwaddr addr, @@ -194,6 +224,9 @@ static MemTxResult dino_chip_read_with_attrs(void *opaque, hwaddr addr, } break; + case DINO_IO_FBB_EN: + val = s->io_fbb_en; + break; case DINO_IO_ADDR_EN: val = s->io_addr_en; break; @@ -227,12 +260,28 @@ static MemTxResult dino_chip_read_with_attrs(void *opaque, hwaddr addr, case DINO_IRR1: val = s->ilr & s->imr & s->icr; break; + case DINO_TOC_ADDR: + val = s->toc_addr; + break; + case DINO_GMASK ... DINO_TLTIM: + val = s->reg800[(addr - DINO_GMASK) / 4]; + if (addr == DINO_PAMR) { + val &= ~0x01; /* LSB is hardwired to 0 */ + } + if (addr == DINO_MLTIM) { + val &= ~0x07; /* 3 LSB are hardwired to 0 */ + } + if (addr == DINO_BRDG_FEAT) { + val &= ~(0x10710E0ul | 8); /* bits 5-7, 24 & 15 reserved */ + } + break; default: /* Controlled by dino_chip_mem_valid above. */ g_assert_not_reached(); } + trace_dino_chip_read(addr, val); *data = val; return ret; } @@ -245,6 +294,9 @@ static MemTxResult dino_chip_write_with_attrs(void *opaque, hwaddr addr, AddressSpace *io; MemTxResult ret; uint16_t ioaddr; + int i; + + trace_dino_chip_write(addr, val); switch (addr) { case DINO_IO_DATA ... DINO_PCI_IO_DATA + 3: @@ -266,9 +318,11 @@ static MemTxResult dino_chip_write_with_attrs(void *opaque, hwaddr addr, } return ret; + case DINO_IO_FBB_EN: + s->io_fbb_en = val & 0x03; + break; case DINO_IO_ADDR_EN: - /* Never allow first (=firmware) and last (=Dino) areas. */ - s->io_addr_en = val & 0x7ffffffe; + s->io_addr_en = val; gsc_to_pci_forwarding(s); break; case DINO_IO_CONTROL: @@ -292,6 +346,10 @@ static MemTxResult dino_chip_write_with_attrs(void *opaque, hwaddr addr, /* Any write to IPR clears the register. */ s->ipr = 0; break; + case DINO_TOC_ADDR: + /* IO_COMMAND of CPU with client_id bits */ + s->toc_addr = 0xFFFA0030 | (val & 0x1e000); + break; case DINO_ILR: case DINO_IRR0: @@ -299,6 +357,12 @@ static MemTxResult dino_chip_write_with_attrs(void *opaque, hwaddr addr, /* These registers are read-only. */ break; + case DINO_GMASK ... DINO_TLTIM: + i = (addr - DINO_GMASK) / 4; + val &= reg800_keep_bits[i]; + s->reg800[i] = val; + break; + default: /* Controlled by dino_chip_mem_valid above. */ g_assert_not_reached(); @@ -323,7 +387,7 @@ static const MemoryRegionOps dino_chip_ops = { static const VMStateDescription vmstate_dino = { .name = "Dino", - .version_id = 1, + .version_id = 2, .minimum_version_id = 1, .fields = (VMStateField[]) { VMSTATE_UINT32(iar0, DinoState), @@ -332,13 +396,14 @@ static const VMStateDescription vmstate_dino = { VMSTATE_UINT32(ipr, DinoState), VMSTATE_UINT32(icr, DinoState), VMSTATE_UINT32(ilr, DinoState), + VMSTATE_UINT32(io_fbb_en, DinoState), VMSTATE_UINT32(io_addr_en, DinoState), VMSTATE_UINT32(io_control, DinoState), + VMSTATE_UINT32(toc_addr, DinoState), VMSTATE_END_OF_LIST() } }; - /* Unlike pci_config_data_le_ops, no check of high bit set in config_reg. */ static uint64_t dino_config_data_read(void *opaque, hwaddr addr, unsigned len) @@ -362,14 +427,16 @@ static const MemoryRegionOps dino_config_data_ops = { static uint64_t dino_config_addr_read(void *opaque, hwaddr addr, unsigned len) { - PCIHostState *s = opaque; - return s->config_reg; + DinoState *s = opaque; + return s->config_reg_dino; } static void dino_config_addr_write(void *opaque, hwaddr addr, uint64_t val, unsigned len) { PCIHostState *s = opaque; + DinoState *ds = opaque; + ds->config_reg_dino = val; /* keep a copy of original value */ s->config_reg = val & ~3U; } @@ -453,6 +520,8 @@ PCIBus *dino_init(MemoryRegion *addr_space, dev = qdev_create(NULL, TYPE_DINO_PCI_HOST_BRIDGE); s = DINO_PCI_HOST_BRIDGE(dev); + s->iar0 = s->iar1 = CPU_HPA + 3; + s->toc_addr = 0xFFFA0030; /* IO_COMMAND of CPU */ /* Dino PCI access from main memory. */ memory_region_init_io(&s->this_mem, OBJECT(s), &dino_chip_ops, diff --git a/hw/hppa/trace-events b/hw/hppa/trace-events index 4e2acb6176..f943b16c4e 100644 --- a/hw/hppa/trace-events +++ b/hw/hppa/trace-events @@ -2,3 +2,8 @@ # pci.c hppa_pci_iack_write(void) "" + +# dino.c +dino_chip_mem_valid(uint64_t addr, uint32_t val) "access to addr 0x%"PRIx64" is %d" +dino_chip_read(uint64_t addr, uint32_t val) "addr 0x%"PRIx64" val 0x%08x" +dino_chip_write(uint64_t addr, uint32_t val) "addr 0x%"PRIx64" val 0x%08x"