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Merge pull request #4231 from 86Box/tc1995

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IDE changes (now for MCA).
This commit is contained in:
Miran Grča
2024-03-02 05:28:23 +01:00
committed by GitHub
parent 6afa3849cc af786bec0a
commit 0921d231de
3 changed files with 292 additions and 9 deletions
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1
src/disk/hdc.c
View File

@@ -109,6 +109,7 @@ static const struct {
{ &ide_pci_2ch_device },
{ &ide_vlb_device },
{ &ide_vlb_2ch_device },
{ &mcide_device },
{ NULL }
// clang-format on
};

298
src/disk/hdc_ide.c
View File

@@ -30,8 +30,10 @@
#include "cpu.h"
#include <86box/machine.h>
#include <86box/io.h>
#include <86box/mca.h>
#include <86box/mem.h>
#include <86box/pic.h>
#include <86box/rom.h>
#include <86box/pci.h>
#include <86box/rom.h>
#include <86box/timer.h>
@@ -112,6 +114,8 @@
#define IDE_ATAPI_IS_EARLY ide->sc->pad0
#define ROM_PATH_MCIDE "roms/hdd/xtide/ide_ps2 R1.1.bin"
typedef struct ide_bm_t {
int (*dma)(uint8_t *data, int transfer_length, int out, void *priv);
void (*set_irq)(uint8_t status, void *priv);
@@ -135,6 +139,12 @@ typedef struct ide_board_t {
ide_bm_t *bm;
} ide_board_t;
typedef struct mcide_t {
uint8_t pos_regs[8];
uint32_t bios_addr;
rom_t bios_rom;
} mcide_t;
ide_board_t *ide_boards[IDE_BUS_MAX];
static uint8_t ide_ter_pnp_rom[] = {
@@ -2764,9 +2774,9 @@ ide_board_setup(int board)
}
static void
ide_board_init(int board, int irq, int base_main, int side_main, int type)
ide_board_init(int board, int irq, int base_main, int side_main, int type, int bus)
{
ide_log("ide_board_init(%i, %i, %04X, %04X, %i)\n", board, irq, base_main, side_main, type);
ide_log("ide_board_init(%i, %i, %04X, %04X, %i, %i)\n", board, irq, base_main, side_main, type, bus);
if ((ide_boards[board] != NULL) && ide_boards[board]->inited)
return;
@@ -2782,6 +2792,7 @@ ide_board_init(int board, int irq, int base_main, int side_main, int type)
ide_boards[board]->bit32 = 1;
ide_boards[board]->base[0] = base_main;
ide_boards[board]->base[1] = side_main;
ide_set_handlers(board);
timer_add(&ide_boards[board]->timer, ide_board_callback, ide_boards[board], 0);
@@ -2834,12 +2845,12 @@ ide_ter_init(const device_t *info)
irq = device_get_config_int("irq");
if (irq < 0) {
ide_board_init(2, -1, 0, 0, 0);
ide_board_init(2, -1, 0, 0, 0, 0);
if (irq == -1)
isapnp_add_card(ide_ter_pnp_rom, sizeof(ide_ter_pnp_rom),
ide_pnp_config_changed, NULL, NULL, NULL, (void *) 2);
} else {
ide_board_init(2, irq, HDC_TERTIARY_BASE, HDC_TERTIARY_SIDE, 0);
ide_board_init(2, irq, HDC_TERTIARY_BASE, HDC_TERTIARY_SIDE, 0, 0);
}
return (ide_boards[2]);
@@ -2866,12 +2877,12 @@ ide_qua_init(const device_t *info)
irq = device_get_config_int("irq");
if (irq < 0) {
ide_board_init(3, -1, 0, 0, 0);
ide_board_init(3, -1, 0, 0, 0, 0);
if (irq == -1)
isapnp_add_card(ide_qua_pnp_rom, sizeof(ide_qua_pnp_rom),
ide_pnp_config_changed, NULL, NULL, NULL, (void *) 3);
} else
ide_board_init(3, irq, HDC_QUATERNARY_BASE, HDC_QUATERNARY_SIDE, 0);
ide_board_init(3, irq, HDC_QUATERNARY_BASE, HDC_QUATERNARY_SIDE, 0, 0);
return (ide_boards[3]);
}
@@ -2886,7 +2897,7 @@ ide_qua_close(UNUSED(void *priv))
void *
ide_xtide_init(void)
{
ide_board_init(0, -1, 0, 0, 0);
ide_board_init(0, -1, 0, 0, 0, 0);
return ide_boards[0];
}
@@ -2922,10 +2933,10 @@ ide_init(const device_t *info)
switch (info->local) {
case 0 ... 5:
ide_board_init(0, 14, 0x1f0, 0x3f6, info->local);
ide_board_init(0, 14, 0x1f0, 0x3f6, info->local, info->flags);
if (info->local & 1)
ide_board_init(1, 15, 0x170, 0x376, info->local);
ide_board_init(1, 15, 0x170, 0x376, info->local, info->flags);
break;
default:
@@ -3026,6 +3037,260 @@ ide_close(UNUSED(void *priv))
}
}
static uint8_t
mcide_mca_read(int port, void *priv)
{
const mcide_t *dev = (mcide_t *) priv;
ide_log("IDE: mcard(%04x)\n", port);
return (dev->pos_regs[port & 7]);
}
static void
mcide_mca_write(int port, uint8_t val, void *priv)
{
mcide_t *dev = (mcide_t *) priv;
ide_log("IDE: mcawr(%04x, %02x) pos[2]=%02x pos[3]=%02x\n",
port, val, dev->pos_regs[2], dev->pos_regs[3]);
if (port < 0x102)
return;
/* Save the new value. */
dev->pos_regs[port & 7] = val;
io_handler(0, ide_boards[0]->base[0], 8,
ide_readb, ide_readw, ide_readl,
ide_writeb, ide_writew, ide_writel,
ide_boards[0]);
io_handler(0, ide_boards[1]->base[0], 8,
ide_readb, ide_readw, ide_readl,
ide_writeb, ide_writew, ide_writel,
ide_boards[1]);
mem_mapping_disable(&dev->bios_rom.mapping);
if (dev->pos_regs[2] & 0x80) {
switch ((dev->pos_regs[2] >> 4) & 7) {
case 0:
dev->bios_addr = 0xc0000;
break;
case 1:
dev->bios_addr = 0xc4000;
break;
case 2:
dev->bios_addr = 0xc8000;
break;
case 3:
dev->bios_addr = 0xcc000;
break;
case 4:
dev->bios_addr = 0xd0000;
break;
case 5:
dev->bios_addr = 0xd4000;
break;
case 6:
dev->bios_addr = 0xd8000;
break;
case 7:
dev->bios_addr = 0xd8000;
break;
default:
break;
}
} else {
dev->bios_addr = 0;
}
if (dev->pos_regs[3] & 0x08) {
switch ((dev->pos_regs[3] & 3)) {
case 0:
ide_boards[0]->base[0] = 0x1f0;
break;
case 1:
ide_boards[0]->base[0] = 0x170;
break;
case 2:
ide_boards[0]->base[0] = 0x1e8;
break;
case 3:
ide_boards[0]->base[0] = 0x168;
break;
default:
break;
}
} else
ide_boards[0]->base[0] = 0;
if (dev->pos_regs[3] & 0x80) {
switch ((dev->pos_regs[3] >> 5) & 3) {
case 0:
ide_boards[0]->irq = 10;
break;
case 1:
ide_boards[0]->irq = 11;
break;
case 2:
ide_boards[0]->irq = 14;
break;
case 3:
ide_boards[0]->irq = 15;
break;
default:
break;
}
} else
ide_boards[0]->irq = -1;
if (dev->pos_regs[4] & 0x08) {
switch ((dev->pos_regs[4] & 3)) {
case 0:
ide_boards[1]->base[0] = 0x1f0;
break;
case 1:
ide_boards[1]->base[0] = 0x170;
break;
case 2:
ide_boards[1]->base[0] = 0x1e8;
break;
case 3:
ide_boards[1]->base[0] = 0x168;
break;
default:
break;
}
} else
ide_boards[1]->base[0] = 0;
if (dev->pos_regs[4] & 0x80) {
switch ((dev->pos_regs[4] >> 5) & 3) {
case 0:
ide_boards[1]->irq = 10;
break;
case 1:
ide_boards[1]->irq = 11;
break;
case 2:
ide_boards[1]->irq = 14;
break;
case 3:
ide_boards[1]->irq = 15;
break;
default:
break;
}
} else
ide_boards[1]->irq = -1;
if (dev->pos_regs[2] & 1) {
if ((dev->pos_regs[3] & 0x88) == 0x88)
io_handler(1, ide_boards[0]->base[0], 8,
ide_readb, ide_readw, ide_readl,
ide_writeb, ide_writew, ide_writel,
ide_boards[0]);
if ((dev->pos_regs[4] & 0x88) == 0x88)
io_handler(1, ide_boards[1]->base[0], 8,
ide_readb, ide_readw, ide_readl,
ide_writeb, ide_writew, ide_writel,
ide_boards[1]);
if (dev->pos_regs[2] & 0x80) {
mem_mapping_enable(&dev->bios_rom.mapping);
mem_mapping_set_addr(&dev->bios_rom.mapping,
dev->bios_addr, 0x2000);
}
/* Say hello. */
ide_log("McIDE: Primary I/O=%03x, Primary IRQ=%i, Secondary I/O=%03x, Secondary IRQ=%d, BIOS @%05X\n",
ide_boards[0]->base[0], ide_boards[0]->irq, ide_boards[1]->base[0], ide_boards[1]->irq, dev->bios_addr);
}
}
static uint8_t
mcide_mca_feedb(void *priv)
{
const mcide_t *dev = (mcide_t *) priv;
return (dev->pos_regs[2] & 1);
}
static void
mcide_mca_reset(void *priv)
{
mcide_t *dev = (mcide_t *) priv;
for (uint8_t i = 0; i < 2; i++) {
if (ide_boards[i] != NULL)
ide_board_reset(i);
}
ide_log("McIDE: MCA Reset.\n");
mem_mapping_disable(&dev->bios_rom.mapping);
mcide_mca_write(0x102, 0, dev);
}
static void
mcide_reset(void *priv)
{
mcide_t *dev = (mcide_t *) priv;
for (uint8_t i = 0; i < 2; i++) {
if (ide_boards[i] != NULL)
ide_board_reset(i);
}
ide_log("McIDE: Reset.\n");
}
static void *
mcide_init(const device_t *info)
{
ide_log("Initializing McIDE...\n");
mcide_t *dev = (mcide_t *) calloc(1, sizeof(mcide_t));
ide_board_init(0, -1, 0, 0, info->local, info->flags);
ide_board_init(1, -1, 0, 0, info->local, info->flags);
rom_init(&dev->bios_rom, ROM_PATH_MCIDE,
0xc8000, 0x2000, 0x1fff, 0, MEM_MAPPING_EXTERNAL);
mem_mapping_disable(&dev->bios_rom.mapping);
/* Set the MCA ID for this controller, 0xF171. */
dev->pos_regs[0] = 0xf1;
dev->pos_regs[1] = 0x71;
/* Enable the device. */
mca_add(mcide_mca_read, mcide_mca_write, mcide_mca_feedb, mcide_mca_reset, dev);
return dev;
}
static int
mcide_available(void)
{
return (rom_present(ROM_PATH_MCIDE));
}
static void
mcide_close(void *priv)
{
mcide_t *dev = (mcide_t *) priv;
for (uint8_t i = 0; i < 2; i++) {
if (ide_boards[i] != NULL) {
ide_board_close(i);
ide_boards[i] = NULL;
}
}
free(dev);
}
const device_t ide_isa_device = {
.name = "ISA PC/AT IDE Controller",
.internal_name = "ide_isa",
@@ -3110,6 +3375,21 @@ const device_t ide_pci_2ch_device = {
.config = NULL
};
const device_t mcide_device = {
.name = "MCA McIDE Controller",
.internal_name = "mcide",
.flags = DEVICE_MCA,
.local = 0,
.init = mcide_init,
.close = mcide_close,
.reset = mcide_reset,
{ .available = mcide_available },
.speed_changed = NULL,
.force_redraw = NULL,
.config = NULL
};
// clang-format off
static const device_config_t ide_ter_config[] = {
{

2
src/include/86box/hdc.h
View File

@@ -93,6 +93,8 @@ extern const device_t ide_ter_pnp_device;
extern const device_t ide_qua_device;
extern const device_t ide_qua_pnp_device;
extern const device_t mcide_device;
extern const device_t xta_wdxt150_device; /* xta_wdxt150 */
extern const device_t xta_hd20_device; /* EuroPC internal */