From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43995) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UqGz2-0007JH-3v for qemu-devel@nongnu.org; Sat, 22 Jun 2013 02:07:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UqGyz-0004si-3B for qemu-devel@nongnu.org; Sat, 22 Jun 2013 02:07:36 -0400 Received: from mout.web.de ([212.227.15.4]:51945) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UqGyy-0004sX-Q6 for qemu-devel@nongnu.org; Sat, 22 Jun 2013 02:07:33 -0400 From: Jan Kiszka Date: Sat, 22 Jun 2013 08:07:01 +0200 Message-Id: <5529f8b81164b09967666616b17f62562ec315e4.1371881222.git.jan.kiszka@web.de> In-Reply-To: References: In-Reply-To: References: Subject: [Qemu-devel] [PATCH v3 08/14] isa: implement isa_is_ioport_assigned via memory_region_find List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel Cc: Paolo Bonzini , Liu Ping Fan , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , =?UTF-8?q?Andreas=20F=C3=A4rber?= , Jan Kiszka From: Jan Kiszka Open-code isa_is_ioport_assigned via a memory region lookup. As all IO ports are now directly or indirectly registered via the memory API, this becomes possible and will finally allow us to drop the ioport tables. Signed-off-by: Jan Kiszka --- hw/acpi/piix4.c | 9 +++++---- hw/isa/lpc_ich9.c | 9 +++++---- include/exec/ioport.h | 1 - ioport.c | 7 ------- 4 files changed, 10 insertions(+), 16 deletions(-) diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index 756df3b..ff559c0 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -383,14 +383,15 @@ static void piix4_pm_powerdown_req(Notifier *n, void *opaque) static void piix4_pm_machine_ready(Notifier *n, void *opaque) { PIIX4PMState *s = container_of(n, PIIX4PMState, machine_ready); + MemoryRegion *io_as = pci_address_space_io(&s->dev); uint8_t *pci_conf; pci_conf = s->dev.config; - pci_conf[0x5f] = (isa_is_ioport_assigned(0x378) ? 0x80 : 0) | 0x10; + pci_conf[0x5f] = 0x10 | + (memory_region_find(io_as, 0x378, 1).mr ? 0x80 : 0); pci_conf[0x63] = 0x60; - pci_conf[0x67] = (isa_is_ioport_assigned(0x3f8) ? 0x08 : 0) | - (isa_is_ioport_assigned(0x2f8) ? 0x90 : 0); - + pci_conf[0x67] = (memory_region_find(io_as, 0x3f8, 1).mr ? 0x08 : 0) | + (memory_region_find(io_as, 0x2f8, 1).mr ? 0x90 : 0); } static int piix4_pm_initfn(PCIDevice *dev) diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c index 667e882..461ab7c 100644 --- a/hw/isa/lpc_ich9.c +++ b/hw/isa/lpc_ich9.c @@ -477,22 +477,23 @@ static const MemoryRegionOps rbca_mmio_ops = { static void ich9_lpc_machine_ready(Notifier *n, void *opaque) { ICH9LPCState *s = container_of(n, ICH9LPCState, machine_ready); + MemoryRegion *io_as = pci_address_space_io(&s->d); uint8_t *pci_conf; pci_conf = s->d.config; - if (isa_is_ioport_assigned(0x3f8)) { + if (memory_region_find(io_as, 0x3f8, 1).mr) { /* com1 */ pci_conf[0x82] |= 0x01; } - if (isa_is_ioport_assigned(0x2f8)) { + if (memory_region_find(io_as, 0x2f8, 1).mr) { /* com2 */ pci_conf[0x82] |= 0x02; } - if (isa_is_ioport_assigned(0x378)) { + if (memory_region_find(io_as, 0x378, 1).mr) { /* lpt */ pci_conf[0x82] |= 0x04; } - if (isa_is_ioport_assigned(0x3f0)) { + if (memory_region_find(io_as, 0x3f0, 1).mr) { /* floppy */ pci_conf[0x82] |= 0x08; } diff --git a/include/exec/ioport.h b/include/exec/ioport.h index 4953892..eb99ffe 100644 --- a/include/exec/ioport.h +++ b/include/exec/ioport.h @@ -40,7 +40,6 @@ typedef void (IOPortDestructor)(void *opaque); void ioport_register(IORange *iorange); void isa_unassign_ioport(pio_addr_t start, int length); -bool isa_is_ioport_assigned(pio_addr_t start); void cpu_outb(pio_addr_t addr, uint8_t val); void cpu_outw(pio_addr_t addr, uint16_t val); diff --git a/ioport.c b/ioport.c index d5b7fbd..56470c5 100644 --- a/ioport.c +++ b/ioport.c @@ -273,13 +273,6 @@ void isa_unassign_ioport(pio_addr_t start, int length) } } -bool isa_is_ioport_assigned(pio_addr_t start) -{ - return (ioport_read_table[0][start] || ioport_write_table[0][start] || - ioport_read_table[1][start] || ioport_write_table[1][start] || - ioport_read_table[2][start] || ioport_write_table[2][start]); -} - /***********************************************************/ void cpu_outb(pio_addr_t addr, uint8_t val) -- 1.7.3.4