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| author | Anthony Liguori <aliguori@us.ibm.com> | 2013-04-08 13:12:32 -0500 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-04-08 13:12:33 -0500 |
| commit | 47b5264eb3e1cd2825e48d28fd0d1b239ed53974 (patch) | |
| tree | 3efa22775b82624df0cb10486ea05526613b9ea6 /include/hw/pci-host/pam.h | |
| parent | 1f8010f0790b53e5a75dbbd3e14868759ac00e6c (diff) | |
| parent | 47b43a1f414c5b3eb9eb7502d0b0be0d134259ba (diff) | |
| download | focaccia-qemu-47b5264eb3e1cd2825e48d28fd0d1b239ed53974.tar.gz focaccia-qemu-47b5264eb3e1cd2825e48d28fd0d1b239ed53974.zip | |
Merge remote-tracking branch 'bonzini/hw-dirs' into staging
# By Paolo Bonzini # Via Paolo Bonzini * bonzini/hw-dirs: (35 commits) hw: move private headers to hw/ subdirectories. MAINTAINERS: update for source code movement hw: move last file to hw/arm/ hw: move hw/kvm/ to hw/i386/kvm hw: move ARM CPU cores to hw/cpu/, configure with default-configs/ hw: move other devices to hw/misc/, configure with default-configs/ hw: move NVRAM interfaces to hw/nvram/, configure with default-configs/ hw: move GPIO interfaces to hw/gpio/, configure with default-configs/ hw: move interrupt controllers to hw/intc/, configure with default-configs/ hw: move DMA controllers to hw/dma/, configure with default-configs/ hw: move VFIO and ivshmem to hw/misc/ hw: move PCI bridges to hw/pci-* or hw/ARCH hw: move SD/MMC devices to hw/sd/, configure with default-configs/ hw: move timer devices to hw/timer/, configure with default-configs/ hw: move ISA bridges and devices to hw/isa/, configure with default-configs/ hw: move char devices to hw/char/, configure via default-configs/ hw: move more files to hw/xen/ hw: move SCSI controllers to hw/scsi/, configure via default-configs/ hw: move SSI controllers to hw/ssi/, configure via default-configs/ hw: move I2C controllers to hw/i2c/, configure via default-configs/ ... Message-id: 1365442249-18259-1-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'include/hw/pci-host/pam.h')
| -rw-r--r-- | include/hw/pci-host/pam.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/include/hw/pci-host/pam.h b/include/hw/pci-host/pam.h new file mode 100644 index 0000000000..8e9e349b1d --- /dev/null +++ b/include/hw/pci-host/pam.h @@ -0,0 +1,97 @@ +#ifndef QEMU_PAM_H +#define QEMU_PAM_H + +/* + * Copyright (c) 2006 Fabrice Bellard + * Copyright (c) 2011 Isaku Yamahata <yamahata at valinux co jp> + * VA Linux Systems Japan K.K. + * Copyright (c) 2012 Jason Baron <jbaron@redhat.com> + * + * Split out from piix_pci.c + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +/* + * SMRAM memory area and PAM memory area in Legacy address range for PC. + * PAM: Programmable Attribute Map registers + * + * 0xa0000 - 0xbffff compatible SMRAM + * + * 0xc0000 - 0xc3fff Expansion area memory segments + * 0xc4000 - 0xc7fff + * 0xc8000 - 0xcbfff + * 0xcc000 - 0xcffff + * 0xd0000 - 0xd3fff + * 0xd4000 - 0xd7fff + * 0xd8000 - 0xdbfff + * 0xdc000 - 0xdffff + * 0xe0000 - 0xe3fff Extended System BIOS Area Memory Segments + * 0xe4000 - 0xe7fff + * 0xe8000 - 0xebfff + * 0xec000 - 0xeffff + * + * 0xf0000 - 0xfffff System BIOS Area Memory Segments + */ + +#include "qemu-common.h" +#include "exec/memory.h" + +#define SMRAM_C_BASE 0xa0000 +#define SMRAM_C_END 0xc0000 +#define SMRAM_C_SIZE 0x20000 + +#define PAM_EXPAN_BASE 0xc0000 +#define PAM_EXPAN_SIZE 0x04000 + +#define PAM_EXBIOS_BASE 0xe0000 +#define PAM_EXBIOS_SIZE 0x04000 + +#define PAM_BIOS_BASE 0xf0000 +#define PAM_BIOS_END 0xfffff +/* 64KB: Intel 3 series express chipset family p. 58*/ +#define PAM_BIOS_SIZE 0x10000 + +/* PAM registers: log nibble and high nibble*/ +#define PAM_ATTR_WE ((uint8_t)2) +#define PAM_ATTR_RE ((uint8_t)1) +#define PAM_ATTR_MASK ((uint8_t)3) + +/* SMRAM register */ +#define SMRAM_D_OPEN ((uint8_t)(1 << 6)) +#define SMRAM_D_CLS ((uint8_t)(1 << 5)) +#define SMRAM_D_LCK ((uint8_t)(1 << 4)) +#define SMRAM_G_SMRAME ((uint8_t)(1 << 3)) +#define SMRAM_C_BASE_SEG_MASK ((uint8_t)0x7) +#define SMRAM_C_BASE_SEG ((uint8_t)0x2) /* hardwired to b010 */ + +typedef struct PAMMemoryRegion { + MemoryRegion alias[4]; /* index = PAM value */ + unsigned current; +} PAMMemoryRegion; + +void smram_update(MemoryRegion *smram_region, uint8_t smram, + uint8_t smm_enabled); +void smram_set_smm(uint8_t *host_smm_enabled, int smm, uint8_t smram, + MemoryRegion *smram_region); +void init_pam(MemoryRegion *ram, MemoryRegion *system, MemoryRegion *pci, + PAMMemoryRegion *mem, uint32_t start, uint32_t size); +void pam_update(PAMMemoryRegion *mem, int idx, uint8_t val); + +#endif /* QEMU_PAM_H */ |