diff options
Diffstat (limited to 'hw/pam.c')
-rw-r--r-- | hw/pam.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/hw/pam.c b/hw/pam.c deleted file mode 100644 index 7181bd6..0000000 --- a/hw/pam.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * QEMU i440FX/PIIX3 PCI Bridge Emulation - * - * 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. - */ -#include "sysemu/sysemu.h" -#include "hw/pci-host/pam.h" - -void smram_update(MemoryRegion *smram_region, uint8_t smram, - uint8_t smm_enabled) -{ - bool smram_enabled; - - smram_enabled = ((smm_enabled && (smram & SMRAM_G_SMRAME)) || - (smram & SMRAM_D_OPEN)); - memory_region_set_enabled(smram_region, !smram_enabled); -} - -void smram_set_smm(uint8_t *host_smm_enabled, int smm, uint8_t smram, - MemoryRegion *smram_region) -{ - uint8_t smm_enabled = (smm != 0); - if (*host_smm_enabled != smm_enabled) { - *host_smm_enabled = smm_enabled; - smram_update(smram_region, smram, *host_smm_enabled); - } -} - -void init_pam(MemoryRegion *ram_memory, MemoryRegion *system_memory, - MemoryRegion *pci_address_space, PAMMemoryRegion *mem, - uint32_t start, uint32_t size) -{ - int i; - - /* RAM */ - memory_region_init_alias(&mem->alias[3], "pam-ram", ram_memory, - start, size); - /* ROM (XXX: not quite correct) */ - memory_region_init_alias(&mem->alias[1], "pam-rom", ram_memory, - start, size); - memory_region_set_readonly(&mem->alias[1], true); - - /* XXX: should distinguish read/write cases */ - memory_region_init_alias(&mem->alias[0], "pam-pci", pci_address_space, - start, size); - memory_region_init_alias(&mem->alias[2], "pam-pci", pci_address_space, - start, size); - - for (i = 0; i < 4; ++i) { - memory_region_set_enabled(&mem->alias[i], false); - memory_region_add_subregion_overlap(system_memory, start, - &mem->alias[i], 1); - } - mem->current = 0; -} - -void pam_update(PAMMemoryRegion *pam, int idx, uint8_t val) -{ - assert(0 <= idx && idx <= 12); - - memory_region_set_enabled(&pam->alias[pam->current], false); - pam->current = (val >> ((!(idx & 1)) * 4)) & PAM_ATTR_MASK; - memory_region_set_enabled(&pam->alias[pam->current], true); -} |