mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-24 12:09:58 +00:00
c227f0995e
In the very least, a change like this requires discussion on the list.
The naming convention is goofy and it causes a massive merge problem. Something
like this _must_ be presented on the list first so people can provide input
and cope with it.
This reverts commit 99a0949b72.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
120 lines
4.5 KiB
C
120 lines
4.5 KiB
C
/*
|
|
* PowerMac MacIO device emulation
|
|
*
|
|
* Copyright (c) 2005-2007 Fabrice Bellard
|
|
* Copyright (c) 2007 Jocelyn Mayer
|
|
*
|
|
* 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 "hw.h"
|
|
#include "ppc_mac.h"
|
|
#include "pci.h"
|
|
#include "escc.h"
|
|
|
|
typedef struct macio_state_t macio_state_t;
|
|
struct macio_state_t {
|
|
int is_oldworld;
|
|
int pic_mem_index;
|
|
int dbdma_mem_index;
|
|
int cuda_mem_index;
|
|
int escc_mem_index;
|
|
void *nvram;
|
|
int nb_ide;
|
|
int ide_mem_index[4];
|
|
};
|
|
|
|
static void macio_map (PCIDevice *pci_dev, int region_num,
|
|
uint32_t addr, uint32_t size, int type)
|
|
{
|
|
macio_state_t *macio_state;
|
|
int i;
|
|
|
|
macio_state = (macio_state_t *)(pci_dev + 1);
|
|
if (macio_state->pic_mem_index >= 0) {
|
|
if (macio_state->is_oldworld) {
|
|
/* Heathrow PIC */
|
|
cpu_register_physical_memory(addr + 0x00000, 0x1000,
|
|
macio_state->pic_mem_index);
|
|
} else {
|
|
/* OpenPIC */
|
|
cpu_register_physical_memory(addr + 0x40000, 0x40000,
|
|
macio_state->pic_mem_index);
|
|
}
|
|
}
|
|
if (macio_state->dbdma_mem_index >= 0) {
|
|
cpu_register_physical_memory(addr + 0x08000, 0x1000,
|
|
macio_state->dbdma_mem_index);
|
|
}
|
|
if (macio_state->escc_mem_index >= 0) {
|
|
cpu_register_physical_memory(addr + 0x13000, ESCC_SIZE << 4,
|
|
macio_state->escc_mem_index);
|
|
}
|
|
if (macio_state->cuda_mem_index >= 0) {
|
|
cpu_register_physical_memory(addr + 0x16000, 0x2000,
|
|
macio_state->cuda_mem_index);
|
|
}
|
|
for (i = 0; i < macio_state->nb_ide; i++) {
|
|
if (macio_state->ide_mem_index[i] >= 0) {
|
|
cpu_register_physical_memory(addr + 0x1f000 + (i * 0x1000), 0x1000,
|
|
macio_state->ide_mem_index[i]);
|
|
}
|
|
}
|
|
if (macio_state->nvram != NULL)
|
|
macio_nvram_map(macio_state->nvram, addr + 0x60000);
|
|
}
|
|
|
|
void macio_init (PCIBus *bus, int device_id, int is_oldworld, int pic_mem_index,
|
|
int dbdma_mem_index, int cuda_mem_index, void *nvram,
|
|
int nb_ide, int *ide_mem_index, int escc_mem_index)
|
|
{
|
|
PCIDevice *d;
|
|
macio_state_t *macio_state;
|
|
int i;
|
|
|
|
d = pci_register_device(bus, "macio",
|
|
sizeof(PCIDevice) + sizeof(macio_state_t),
|
|
-1, NULL, NULL);
|
|
macio_state = (macio_state_t *)(d + 1);
|
|
macio_state->is_oldworld = is_oldworld;
|
|
macio_state->pic_mem_index = pic_mem_index;
|
|
macio_state->dbdma_mem_index = dbdma_mem_index;
|
|
macio_state->cuda_mem_index = cuda_mem_index;
|
|
macio_state->escc_mem_index = escc_mem_index;
|
|
macio_state->nvram = nvram;
|
|
if (nb_ide > 4)
|
|
nb_ide = 4;
|
|
macio_state->nb_ide = nb_ide;
|
|
for (i = 0; i < nb_ide; i++)
|
|
macio_state->ide_mem_index[i] = ide_mem_index[i];
|
|
for (; i < 4; i++)
|
|
macio_state->ide_mem_index[i] = -1;
|
|
/* Note: this code is strongly inspirated from the corresponding code
|
|
in PearPC */
|
|
|
|
pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
|
|
pci_config_set_device_id(d->config, device_id);
|
|
pci_config_set_class(d->config, PCI_CLASS_OTHERS << 8);
|
|
d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
|
|
|
|
d->config[0x3d] = 0x01; // interrupt on pin 1
|
|
|
|
pci_register_bar(d, 0, 0x80000,
|
|
PCI_ADDRESS_SPACE_MEM, macio_map);
|
|
}
|