From patchwork Wed Aug 26 13:35:56 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 32151 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by bilbo.ozlabs.org (Postfix) with ESMTPS id 7D251B7B68 for ; Wed, 26 Aug 2009 23:52:04 +1000 (EST) Received: from localhost ([127.0.0.1]:35688 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MgIus-0003XM-8m for incoming@patchwork.ozlabs.org; Wed, 26 Aug 2009 09:51:59 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MgIfb-0006xd-4y for qemu-devel@nongnu.org; Wed, 26 Aug 2009 09:36:11 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MgIfW-0006vL-T7 for qemu-devel@nongnu.org; Wed, 26 Aug 2009 09:36:10 -0400 Received: from [199.232.76.173] (port=42819 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MgIfW-0006v6-IV for qemu-devel@nongnu.org; Wed, 26 Aug 2009 09:36:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:8569) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MgIfV-0007wk-Hm for qemu-devel@nongnu.org; Wed, 26 Aug 2009 09:36:06 -0400 Received: from int-mx03.intmail.prod.int.phx2.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.16]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n7QDa4jr005225; Wed, 26 Aug 2009 09:36:04 -0400 Received: from zweiblum.home.kraxel.org (vpn1-4-183.ams2.redhat.com [10.36.4.183]) by int-mx03.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with SMTP id n7QDZwDd020489; Wed, 26 Aug 2009 09:35:59 -0400 Received: by zweiblum.home.kraxel.org (Postfix, from userid 500) id D2A6E700DD; Wed, 26 Aug 2009 15:35:57 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Wed, 26 Aug 2009 15:35:56 +0200 Message-Id: <1251293757-6007-3-git-send-email-kraxel@redhat.com> In-Reply-To: <1251293757-6007-1-git-send-email-kraxel@redhat.com> References: <1251293757-6007-1-git-send-email-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.16 X-detected-operating-system: by monty-python.gnu.org: Genre and OS details not recognized. Cc: Jes Sorensen , Gerd Hoffmann Subject: [Qemu-devel] [PATCH 2/3] Add isa_reserve_irq(). X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Jes Sorensen Introduce isa_reserve_irq() which marks an irq reserved and returns the appropriate qemu_irq entry from the i8259 table. isa_reserve_irq() is a temporary interface to be used to allocate ISA IRQs for devices which have not yet been converted to qdev, and for special cases which are not suited for qdev conversions, such as the 'ferr'. This patch goes on top of Gerd Hoffmann's which makes isa-bus.c own the ISA irq table. [ added isa-bus.o to some targets to fix build failures -- kraxel ] Signed-off-by: Jes Sorensen Signed-off-by: Gerd Hoffmann --- Makefile.target | 4 ++-- hw/cs4231a.c | 12 +++++------- hw/ide.c | 7 +++++-- hw/isa-bus.c | 21 +++++++++++++++++++++ hw/isa.h | 1 + hw/pc.c | 23 +++++++++++++---------- hw/sb16.c | 25 ++++++++++++------------- 7 files changed, 59 insertions(+), 34 deletions(-) diff --git a/Makefile.target b/Makefile.target index 690f30b..415046b 100644 --- a/Makefile.target +++ b/Makefile.target @@ -265,7 +265,7 @@ obj-arm-y += arm-semi.o obj-arm-y += pxa2xx.o pxa2xx_pic.o pxa2xx_gpio.o pxa2xx_timer.o pxa2xx_dma.o obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o obj-arm-y += pflash_cfi01.o gumstix.o -obj-arm-y += zaurus.o ide.o serial.o spitz.o tosa.o tc6393xb.o +obj-arm-y += zaurus.o ide.o isa-bus.o serial.o spitz.o tosa.o tc6393xb.o obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o obj-arm-y += omap2.o omap_dss.o soc_dma.o obj-arm-y += omap_sx1.o palm.o tsc210x.o @@ -279,7 +279,7 @@ obj-arm-y += syborg_virtio.o obj-sh4-y = shix.o r2d.o sh7750.o sh7750_regnames.o tc58128.o obj-sh4-y += sh_timer.o sh_serial.o sh_intc.o sh_pci.o sm501.o serial.o -obj-sh4-y += ide.o +obj-sh4-y += ide.o isa-bus.o obj-m68k-y = an5206.o mcf5206.o mcf_uart.o mcf_intc.o mcf5208.o mcf_fec.o obj-m68k-y += m68k-semi.o dummy_m68k.o diff --git a/hw/cs4231a.c b/hw/cs4231a.c index 5516867..d482e04 100644 --- a/hw/cs4231a.c +++ b/hw/cs4231a.c @@ -60,10 +60,9 @@ static struct { typedef struct CSState { QEMUSoundCard card; - qemu_irq *pic; + qemu_irq pic; uint32_t regs[CS_REGS]; uint8_t dregs[CS_DREGS]; - int irq; int dma; int port; int shift; @@ -483,7 +482,7 @@ IO_WRITE_PROTO (cs_write) case Alternate_Feature_Status: if ((s->dregs[iaddr] & PI) && !(val & PI)) { /* XXX: TI CI */ - qemu_irq_lower (s->pic[s->irq]); + qemu_irq_lower (s->pic); s->regs[Status] &= ~INT; } s->dregs[iaddr] = val; @@ -503,7 +502,7 @@ IO_WRITE_PROTO (cs_write) case Status: if (s->regs[Status] & INT) { - qemu_irq_lower (s->pic[s->irq]); + qemu_irq_lower (s->pic); } s->regs[Status] &= ~INT; s->dregs[Alternate_Feature_Status] &= ~(PI | CI | TI); @@ -588,7 +587,7 @@ static int cs_dma_read (void *opaque, int nchan, int dma_pos, int dma_len) s->regs[Status] |= INT; s->dregs[Alternate_Feature_Status] |= PI; s->transferred = 0; - qemu_irq_raise (s->pic[s->irq]); + qemu_irq_raise (s->pic); } else { s->transferred += written; @@ -643,8 +642,7 @@ int cs4231a_init (qemu_irq *pic) s = qemu_mallocz (sizeof (*s)); - s->pic = pic; - s->irq = conf.irq; + s->pic = isa_reserve_irq(conf.irq); s->dma = conf.dma; s->port = conf.port; diff --git a/hw/ide.c b/hw/ide.c index 0bde632..28b93f4 100644 --- a/hw/ide.c +++ b/hw/ide.c @@ -3610,8 +3610,8 @@ void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, pci_register_bar((PCIDevice *)d, 4, 0x10, PCI_ADDRESS_SPACE_IO, bmdma_map); - ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], pic[14]); - ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], pic[15]); + ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], isa_reserve_irq(14)); + ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], isa_reserve_irq(15)); ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6); ide_init_ioport(&d->ide_if[2], 0x170, 0x376); @@ -3650,6 +3650,9 @@ void pci_piix4_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, pci_register_bar((PCIDevice *)d, 4, 0x10, PCI_ADDRESS_SPACE_IO, bmdma_map); + /* + * These should call isa_reserve_irq() instead when MIPS supports it + */ ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], pic[14]); ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], pic[15]); ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6); diff --git a/hw/isa-bus.c b/hw/isa-bus.c index f8ba7c0..4ac4fad 100644 --- a/hw/isa-bus.c +++ b/hw/isa-bus.c @@ -76,6 +76,27 @@ void isa_connect_irq(ISADevice *dev, int devnr, int isairq) } } +/* + * isa_reserve_irq() reserves the ISA irq and returns the corresponding + * qemu_irq entry for the i8259. + * + * This function is only for special cases such as the 'ferr', and + * temporary use for normal devices until they are converted to qdev. + */ +qemu_irq isa_reserve_irq(int isairq) +{ + if (isairq < 0 || isairq > 15) { + fprintf(stderr, "isa irq %d invalid\n", isairq); + exit(1); + } + if (isabus->assigned & (1 << isairq)) { + fprintf(stderr, "isa irq %d already assigned\n", isairq); + exit(1); + } + isabus->assigned |= (1 << isairq); + return isabus->irqs[isairq]; +} + void isa_init_irq(ISADevice *dev, qemu_irq *p) { assert(dev->nirqs < ARRAY_SIZE(dev->irqs)); diff --git a/hw/isa.h b/hw/isa.h index 1a3bb5b..31853a0 100644 --- a/hw/isa.h +++ b/hw/isa.h @@ -27,6 +27,7 @@ struct ISADeviceInfo { ISABus *isa_bus_new(DeviceState *dev); void isa_bus_irqs(qemu_irq *irqs); void isa_connect_irq(ISADevice *dev, int devirq, int isairq); +qemu_irq isa_reserve_irq(int isairq); void isa_init_irq(ISADevice *dev, qemu_irq *p); void isa_qdev_register(ISADeviceInfo *info); ISADevice *isa_create_simple(const char *name, uint32_t iobase, uint32_t iobase2); diff --git a/hw/pc.c b/hw/pc.c index abb7356..fc6a925 100644 --- a/hw/pc.c +++ b/hw/pc.c @@ -1043,13 +1043,14 @@ static void audio_init (PCIBus *pci_bus, qemu_irq *pic) } #endif -static void pc_init_ne2k_isa(NICInfo *nd, qemu_irq *pic) +static void pc_init_ne2k_isa(NICInfo *nd) { static int nb_ne2k = 0; if (nb_ne2k == NE2000_NB_MAX) return; - isa_ne2000_init(ne2000_io[nb_ne2k], pic[ne2000_irq[nb_ne2k]], nd); + isa_ne2000_init(ne2000_io[nb_ne2k], + isa_reserve_irq(ne2000_irq[nb_ne2k]), nd); nb_ne2k++; } @@ -1276,7 +1277,6 @@ static void pc_init1(ram_addr_t ram_size, isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state)); isa_irq_state->i8259 = i8259; isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24); - ferr_irq = isa_irq[13]; if (pci_enabled) { pci_bus = i440fx_init(&i440fx_state, isa_irq); @@ -1286,6 +1286,7 @@ static void pc_init1(ram_addr_t ram_size, isa_bus_new(NULL); } isa_bus_irqs(isa_irq); + ferr_irq = isa_reserve_irq(13); /* init basic PC hardware */ register_ioport_write(0x80, 1, 1, ioport80_write, NULL); @@ -1311,7 +1312,7 @@ static void pc_init1(ram_addr_t ram_size, } } - rtc_state = rtc_init(0x70, isa_irq[8], 2000); + rtc_state = rtc_init(0x70, isa_reserve_irq(8), 2000); qemu_register_boot_set(pc_boot_set, rtc_state); @@ -1321,7 +1322,7 @@ static void pc_init1(ram_addr_t ram_size, if (pci_enabled) { isa_irq_state->ioapic = ioapic_init(); } - pit = pit_init(0x40, isa_irq[0]); + pit = pit_init(0x40, isa_reserve_irq(0)); pcspk_init(pit); if (!no_hpet) { hpet_init(isa_irq); @@ -1329,14 +1330,14 @@ static void pc_init1(ram_addr_t ram_size, for(i = 0; i < MAX_SERIAL_PORTS; i++) { if (serial_hds[i]) { - serial_init(serial_io[i], isa_irq[serial_irq[i]], 115200, + serial_init(serial_io[i], isa_reserve_irq(serial_irq[i]), 115200, serial_hds[i]); } } for(i = 0; i < MAX_PARALLEL_PORTS; i++) { if (parallel_hds[i]) { - parallel_init(parallel_io[i], isa_irq[parallel_irq[i]], + parallel_init(parallel_io[i], isa_reserve_irq(parallel_irq[i]), parallel_hds[i]); } } @@ -1347,7 +1348,7 @@ static void pc_init1(ram_addr_t ram_size, NICInfo *nd = &nd_table[i]; if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0)) - pc_init_ne2k_isa(nd, isa_irq); + pc_init_ne2k_isa(nd); else pci_nic_init(nd, "e1000", NULL); } @@ -1368,7 +1369,8 @@ static void pc_init1(ram_addr_t ram_size, pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1, isa_irq); } else { for(i = 0; i < MAX_IDE_BUS; i++) { - isa_ide_init(ide_iobase[i], ide_iobase2[i], isa_irq[ide_irq[i]], + isa_ide_init(ide_iobase[i], ide_iobase2[i], + isa_reserve_irq(ide_irq[i]), hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); } } @@ -1398,7 +1400,8 @@ static void pc_init1(ram_addr_t ram_size, i2c_bus *smbus; /* TODO: Populate SPD eeprom data. */ - smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, isa_irq[9]); + smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, + isa_reserve_irq(9)); for (i = 0; i < 8; i++) { DeviceState *eeprom; eeprom = qdev_create((BusState *)smbus, "smbus-eeprom"); diff --git a/hw/sb16.c b/hw/sb16.c index 2506d98..9f7680d 100644 --- a/hw/sb16.c +++ b/hw/sb16.c @@ -56,7 +56,7 @@ static struct { typedef struct SB16State { QEMUSoundCard card; - qemu_irq *pic; + qemu_irq pic; int irq; int dma; int hdma; @@ -190,7 +190,7 @@ static void aux_timer (void *opaque) { SB16State *s = opaque; s->can_write = 1; - qemu_irq_raise (s->pic[s->irq]); + qemu_irq_raise (s->pic); } #define DMA8_AUTO 1 @@ -598,7 +598,7 @@ static void command (SB16State *s, uint8_t cmd) case 0xf3: dsp_out_data (s, 0xaa); s->mixer_regs[0x82] |= (cmd == 0xf2) ? 1 : 2; - qemu_irq_raise (s->pic[s->irq]); + qemu_irq_raise (s->pic); break; case 0xf9: @@ -766,7 +766,7 @@ static void complete (SB16State *s) bytes = samples << s->fmt_stereo << (s->fmt_bits == 16); ticks = (bytes * ticks_per_sec) / freq; if (ticks < ticks_per_sec / 1024) { - qemu_irq_raise (s->pic[s->irq]); + qemu_irq_raise (s->pic); } else { if (s->aux_ts) { @@ -858,10 +858,10 @@ static void legacy_reset (SB16State *s) static void reset (SB16State *s) { - qemu_irq_lower (s->pic[s->irq]); + qemu_irq_lower (s->pic); if (s->dma_auto) { - qemu_irq_raise (s->pic[s->irq]); - qemu_irq_lower (s->pic[s->irq]); + qemu_irq_raise (s->pic); + qemu_irq_lower (s->pic); } s->mixer_regs[0x82] = 0; @@ -897,7 +897,7 @@ static IO_WRITE_PROTO (dsp_write) if (s->v2x6 == 1) { if (0 && s->highspeed) { s->highspeed = 0; - qemu_irq_lower (s->pic[s->irq]); + qemu_irq_lower (s->pic); control (s, 0); } else { @@ -1008,7 +1008,7 @@ static IO_READ_PROTO (dsp_read) if (s->mixer_regs[0x82] & 1) { ack = 1; s->mixer_regs[0x82] &= 1; - qemu_irq_lower (s->pic[s->irq]); + qemu_irq_lower (s->pic); } break; @@ -1017,7 +1017,7 @@ static IO_READ_PROTO (dsp_read) if (s->mixer_regs[0x82] & 2) { ack = 1; s->mixer_regs[0x82] &= 2; - qemu_irq_lower (s->pic[s->irq]); + qemu_irq_lower (s->pic); } break; @@ -1231,7 +1231,7 @@ static int SB_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len) if (s->left_till_irq <= 0) { s->mixer_regs[0x82] |= (nchan & 4) ? 2 : 1; - qemu_irq_raise (s->pic[s->irq]); + qemu_irq_raise (s->pic); if (0 == s->dma_auto) { control (s, 0); speaker (s, 0); @@ -1408,8 +1408,7 @@ int SB16_init (qemu_irq *pic) s = qemu_mallocz (sizeof (*s)); s->cmd = -1; - s->pic = pic; - s->irq = conf.irq; + s->pic = isa_reserve_irq(conf.irq); s->dma = conf.dma; s->hdma = conf.hdma; s->port = conf.port;