From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/roms/qemu-palcode/pci.h | 68 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 qemu/roms/qemu-palcode/pci.h (limited to 'qemu/roms/qemu-palcode/pci.h') diff --git a/qemu/roms/qemu-palcode/pci.h b/qemu/roms/qemu-palcode/pci.h new file mode 100644 index 000000000..b751c6f66 --- /dev/null +++ b/qemu/roms/qemu-palcode/pci.h @@ -0,0 +1,68 @@ +/* Simplistic PCI support. + + Copyright (C) 2011 Richard Henderson + + This file is part of QEMU PALcode. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the text + of the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not see + . */ + +/* This header is intended to be compatible with the pci.h from SeaBIOS. + Their header, however, is too PC specific to be of use. */ + +#ifndef PCI_H +#define PCI_H 1 + +extern void *pci_conf_base; + +static inline void pci_config_writel(int bdf, uint8_t addr, uint32_t val) +{ + *(volatile uint32_t *)(pci_conf_base + bdf * 256 + addr) = val; +} + +static inline void pci_config_writew(int bdf, uint8_t addr, uint16_t val) +{ + *(volatile uint16_t *)(pci_conf_base + bdf * 256 + addr) = val; +} + +static inline void pci_config_writeb(int bdf, uint8_t addr, uint8_t val) +{ + *(volatile uint8_t *)(pci_conf_base + bdf * 256 + addr) = val; +} + +static inline uint32_t pci_config_readl(int bdf, uint8_t addr) +{ + return *(volatile uint32_t *)(pci_conf_base + bdf * 256 + addr); +} + +static inline uint16_t pci_config_readw(int bdf, uint8_t addr) +{ + return *(volatile uint16_t *)(pci_conf_base + bdf * 256 + addr); +} + +static inline uint8_t pci_config_readb(int bdf, uint8_t addr) +{ + return *(volatile uint8_t *)(pci_conf_base + bdf * 256 + addr); +} + +extern void pci_config_maskw(int bdf, int addr, uint16_t off, uint16_t on); + +extern int pci_next(int bdf, int *pmax); + +#define foreachpci(BDF, MAX) \ + for (MAX = 0x0100, BDF = pci_next(0, &MAX); \ + BDF >= 0; \ + BDF = pci_next(BDF+1, &MAX)) + +#endif /* PCI_H */ -- cgit 1.2.3-korg