Even more cleanups. Also renamed hdd/ to disk/ as that makes more sense. Machines with an Internal HDC (usually IDE) can now also select an alternative one instead.

2017-10-02 02:15:35 -04:00
parent f6620a45d0
commit 63c532d940
39 changed files with 942 additions and 976 deletions
--- a/src/disk/hdc.c
+++ b/src/disk/hdc.c
@@ -0,0 +1,186 @@
+/*
+ * 86Box	A hypervisor and IBM PC system emulator that specializes in
+ *		running old operating systems and software designed for IBM
+ *		PC systems and compatibles from 1981 through fairly recent
+ *		system designs based on the PCI bus.
+ *
+ *		This file is part of the 86Box distribution.
+ *
+ *		Common code to handle all sorts of disk controllers.
+ *
+ * Version:	@(#)hdc.c	1.0.2	2017/10/01
+ *
+ * Authors:	Miran Grca, <mgrca8@gmail.com>
+ *		Fred N. van Kempen, <decwiz@yahoo.com>
+ *		Copyright 2016,2017 Miran Grca.
+ *		Copyright 2017 Fred N. van Kempen.
+ */
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <wchar.h>
+#include "../ibm.h"
+#include "../cpu/cpu.h"
+#include "../device.h"
+#include "../machine/machine.h"
+#include "hdc.h"
+
+
+char	hdc_name[16];		/* configured HDC name */
+int	hdc_current;
+
+
+static void *
+null_init(void)
+{
+    return(NULL);
+}
+
+
+static void
+null_close(void *priv)
+{
+}
+
+
+static device_t null_device = {
+    "Null HDC", 0,
+    null_init, null_close,
+    NULL, NULL, NULL, NULL, NULL
+};
+
+
+static void *
+inthdc_init(void)
+{
+    return(NULL);
+}
+
+
+static void
+inthdc_close(void *priv)
+{
+}
+
+
+static device_t inthdc_device = {
+    "Internal Controller", 0,
+    inthdc_init, inthdc_close,
+    NULL, NULL, NULL, NULL, NULL
+};
+
+
+static struct {
+    char	name[50];
+    char	internal_name[16];
+    device_t	*device;
+    int		is_mfm;
+} controllers[] = {
+    { "None",					"none",		
+      &null_device,				0		},
+
+    { "Internal Controller",			"internal",
+      &inthdc_device,				0		},
+
+    { "[MFM] IBM PC Fixed Disk Adapter",	"mfm_xebec",
+      &mfm_xt_xebec_device,			1		},
+
+    { "[MFM] DTC-5150X Fixed Disk Adapter",	"mfm_dtc5150x",
+      &mfm_xt_dtc5150x_device,			1		},
+
+    { "[MFM] IBM PC/AT Fixed Disk Adapter",	"mfm_at",
+      &mfm_at_wd1003_device,			1		},
+
+    { "[ESDI] PC/AT ESDI Fixed Disk Adapter",	"esdi_wd1007vse1",
+      &esdi_at_wd1007vse1_device,		0		},
+
+    { "[ESDI] IBM PS/2 ESDI Fixed Disk Adapter","esdi_mca",
+      &esdi_ps2_device,				1		},
+
+#if 0
+    { "[IDE] PC/AT IDE Adapter",		"ide_isa",
+      &ide_isa_device,				0		},
+
+    { "[IDE] PCI IDE Adapter",			"ide_pci",
+      &ide_pci_device,				0		},
+#endif
+
+    { "[IDE] PC/XT XTIDE",			"xtide",
+      &xtide_device		,		0		},
+
+    { "[IDE] PC/AT XTIDE",			"xtide_at",
+      &xtide_at_device,				0		},
+
+    { "[IDE] PS/2 XTIDE (Acculogic)",		"xtide_ps2",
+      &xtide_ps2_device,			0		},
+
+    { "[IDE] PS/2 AT XTIDE (1.1.5)",		"xtide_at_ps2",
+      &xtide_at_ps2_device,			0		},
+
+    { "",					"", NULL, 0	}
+};
+
+
+/* Initialize the 'hdc_current' value based on configured HDC name. */
+void
+hdc_init(char *name)
+{
+    int c;
+
+    pclog("HDC: initializing..\n");
+
+    for (c=0; controllers[c].device; c++) {
+	if (! strcmp(name, controllers[c].internal_name)) {
+		hdc_current = c;
+		break;
+	}
+    }
+}
+
+
+/* Reset the HDC, whichever one that is. */
+void
+hdc_reset(void)
+{
+    pclog("HDC: reset(current=%d, internal=%d)\n",
+	hdc_current, (machines[machine].flags & MACHINE_HAS_HDC)?1:0);
+
+    /* If we have a valid controller, add its device. */
+    if (hdc_current > 1)
+	device_add(controllers[hdc_current].device);
+}
+
+
+char *
+hdc_get_name(int hdc)
+{
+    return(controllers[hdc].name);
+}
+
+
+char *
+hdc_get_internal_name(int hdc)
+{
+    return(controllers[hdc].internal_name);
+}
+
+
+int
+hdc_get_flags(int hdc)
+{
+    return(controllers[hdc].device->flags);
+}
+
+
+int
+hdc_available(int hdc)
+{
+    return(device_available(controllers[hdc].device));
+}
+
+
+int
+hdc_current_is_mfm(void)
+{
+    return(controllers[hdc_current].is_mfm);
+}