proll.patch

qemu虚拟机代码

+	romvec = init_openprom_qemu(bb.nbanks, bb.bankv, hiphybas,
+				    (void *)hw_idprom->cmdline, hw_idprom->boot_device, nographic);
+
+	printk("Memory used: virt 0x%x:0x%x[%dK] iomap 0x%x:0x%x\n",
+	    PROLBASE, (int)cmem.curp, ((unsigned) cmem.curp - PROLBASE)/1024,
+	    (int)cio.start, (int)cio.curp);
+
+	{
+	    void (*entry)(const void *, int, int, int, int) = (void *) hw_idprom->load_addr;
+		printk("Kernel loaded at 0x%x, size %dK, command line = '%s'\n",
+		       *entry, hw_idprom->kernel_size/1024, hw_idprom->cmdline);
+		entry(romvec, 0, 0, 0, 0);
+	}
+
+	mem_fini(&cmem);
+	vcon_fini(&dp0);
+}
+
+/*
+ * dvma_alloc over iommu_alloc.
+ */
+void *dvma_alloc(int size, unsigned int *pphys)
+{
+	return iommu_alloc(&ciommu, size, pphys);
+}
+
+/*
+ */
+void udelay(__attribute__((unused)) unsigned long usecs)
+{
+    // Qemu hardware is perfect and does not need any delays!
+}
+
+static void init_idprom()
+{
+	void *va_prom;
+
+	if ((va_prom = map_io(PHYS_JJ_EEPROM, PHYS_JJ_EEPROM_SIZE)) == NULL) {
+		printk("init_idprom: cannot map eeprom\n");
+		fatal();
+	}
+	bcopy(va_prom + PHYS_JJ_IDPROM_OFF, idprom, IDPROM_SIZE);
+	/*
+	 * hw_idprom is not used anywhere.
+	 * It's just as we hate to leave hanging pointers (I/O page here).
+	 */
+	hw_idprom = va_prom; 
+}
+
diff -ruN proll_18.orig/qemu/openprom.c proll-patch-15/qemu/openprom.c
--- proll_18.orig/qemu/openprom.c	1970-01-01 00:00:00.000000000 +0000
+++ proll-patch-15/qemu/openprom.c	2005-11-07 20:11:04.000000000 +0000
@@ -0,0 +1,910 @@
+/*
+ * PROM interface support
+ * Copyright 1996 The Australian National University.
+ * Copyright 1996 Fujitsu Laboratories Limited
+ * Copyright 1999 Pete A. Zaitcev
+ * This software may be distributed under the terms of the Gnu
+ * Public License version 2 or later
+ */
+
+#include <openprom.h>
+#include <general.h>
+#include <romlib.h>
+#include <system.h>
+#include <vconsole.h>
+#include "phys_jj.h"
+
+//#define DEBUG_OBP
+
+#define PAGE_SIZE 4096
+
+struct property {
+	const char *name;
+	const char *value;
+	int length;
+};
+
+struct node {
+	const struct property *properties;
+	/* short */ const int sibling;
+	/* short */ const int child;
+};
+
+static int obp_nextnode(int node);
+static int obp_child(int node);
+static int obp_proplen(int node, char *name);
+static int obp_getprop(int node, char *name, char *val);
+static int obp_setprop(int node, char *name, char *val, int len);
+static const char *obp_nextprop(int node, char *name);
+
+static char obp_idprom[IDPROM_SIZE];
+static const struct property null_properties = { NULL, NULL, -1 };
+static const int prop_true = -1;
+
+static struct property propv_root[7];
+
+static const struct property propv_root_templ[] = {
+	{"name",	"SUNW,SparcStation-5", sizeof("SUNW,SparcStation-5") },
+	{"idprom",	obp_idprom, IDPROM_SIZE},
+	{"banner-name", "SparcStation", sizeof("SparcStation")},
+	{"compatible",	"sun4m", 6},
+};
+
+static const int prop_iommu_reg[] = {
+	0x0, 0x10000000, 0x00000300,
+};
+static const struct property propv_iommu[] = {
+	{"name",	"iommu", sizeof("iommu")},
+	{"reg",		(char*)&prop_iommu_reg[0], sizeof(prop_iommu_reg) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_sbus_ranges[] = {
+	0x0, 0x0, 0x0, 0x30000000, 0x10000000,
+	0x1, 0x0, 0x0, 0x40000000, 0x10000000,
+	0x2, 0x0, 0x0, 0x50000000, 0x10000000,
+	0x3, 0x0, 0x0, 0x60000000, 0x10000000,
+	0x4, 0x0, 0x0, 0x70000000, 0x10000000,
+};
+static const struct property propv_sbus[] = {
+	{"name",	"sbus", 5},
+	{"ranges",	(char*)&prop_sbus_ranges[0], sizeof(prop_sbus_ranges)},
+	{"device_type",	"hierarchical", sizeof("hierarchical") },
+	{NULL, NULL, -1}
+};
+
+static const int prop_tcx_regs[] = {
+	0x2, 0x00800000, 0x00100000,
+	0x2, 0x02000000, 0x00000001,
+	0x2, 0x04000000, 0x00800000,
+	0x2, 0x06000000, 0x00800000,
+	0x2, 0x0a000000, 0x00000001,
+	0x2, 0x0c000000, 0x00000001,
+	0x2, 0x0e000000, 0x00000001,
+	0x2, 0x00700000, 0x00001000,
+	0x2, 0x00200000, 0x00000004,
+	0x2, 0x00300000, 0x0000081c,
+	0x2, 0x00000000, 0x00010000,
+	0x2, 0x00240000, 0x00000004,
+	0x2, 0x00280000, 0x00000001,
+};
+
+#if 1	/* Zaitcev */
+static const int pixfreq = 0x03dfd240;
+static const int hbporch = 0xa0;
+static const int vfreq = 0x3c;
+#endif
+#if 0	/* Kevin Boone - 70Hz refresh */
+static const int pixfreq = 0x047868C0;
+static const int hbporch = 0x90;
+static const int vfreq = 0x46;
+#endif
+
+static const int vbporch = 0x1d;
+static const int vsync = 0x6;
+static const int hsync = 0x88;
+static const int vfporch = 0x3;
+static const int hfporch = 0x18;
+static const int height = 0x300;
+static const int width = 0x400;
+static const int linebytes = 0x400;
+static const int depth = 24;
+static const int tcx_intr[] = { 5, 0 };
+static const int tcx_interrupts = 5;
+static const struct property propv_sbus_tcx[] = {
+	{"name",	"SUNW,tcx", sizeof("SUNW,tcx")},
+	{"vbporch",	(char*)&vbporch, sizeof(int)},
+	{"hbporch",	(char*)&hbporch, sizeof(int)},
+	{"vsync",	(char*)&vsync, sizeof(int)},
+	{"hsync",	(char*)&hsync, sizeof(int)},
+	{"vfporch",	(char*)&vfporch, sizeof(int)},
+	{"hfporch",	(char*)&hfporch, sizeof(int)},
+	{"pixfreq",	(char*)&pixfreq, sizeof(int)},
+	{"vfreq",	(char*)&vfreq, sizeof(int)},
+	{"height",	(char*)&height, sizeof(int)},
+	{"width",	(char*)&width, sizeof(int)},
+	{"linebytes",	(char*)&linebytes, sizeof(int)},
+	{"depth",	(char*)&depth, sizeof(int)},
+	{"reg",		(char*)&prop_tcx_regs[0], sizeof(prop_tcx_regs)},
+	{"tcx-8-bit",	0, -1},
+	{"intr",	(char*)&tcx_intr[0], sizeof(tcx_intr)},
+	{"interrupts",	(char*)&tcx_interrupts, sizeof(tcx_interrupts)},
+	{"device_type",	"display", sizeof("display")},
+	{NULL, NULL, -1}
+};
+
+static const int prop_cs4231_reg[] = {
+	0x3, 0x0C000000, 0x00000040
+};
+static const int cs4231_interrupts = 5;
+static const int cs4231_intr[] = { 5, 0 };
+
+static const struct property propv_sbus_cs4231[] = {
+	{"name",	"SUNW,CS4231", sizeof("SUNW,CS4231") },
+	{"intr",	(char*)&cs4231_intr[0], sizeof(cs4231_intr) },
+	{"interrupts",  (char*)&cs4231_interrupts, sizeof(cs4231_interrupts) },	
+	{"reg",		(char*)&prop_cs4231_reg[0], sizeof(prop_cs4231_reg) },
+	{"device_type", "serial", sizeof("serial") },
+	{"alias",	"audio", sizeof("audio") },
+	{NULL, NULL, -1}
+};
+
+static const int cpu_nctx = NCTX_SWIFT;
+static const int cpu_cache_line_size = 0x20;
+static const int cpu_cache_nlines = 0x200;
+static const struct property propv_cpu[] = {
+	{"name",	"STP1012PGA", sizeof("STP1012PGA") },
+	{"device_type",	"cpu", 4 },
+	{"mmu-nctx",	(char*)&cpu_nctx, sizeof(int)},
+	{"cache-line-size",	(char*)&cpu_cache_line_size, sizeof(int)},
+	{"cache-nlines",	(char*)&cpu_cache_nlines, sizeof(int)},
+	{NULL, NULL, -1}
+};
+
+static const int prop_obio_ranges[] = {
+	0x0, 0x0, 0x0, 0x71000000, 0x01000000,
+};
+static const struct property propv_obio[] = {
+	{"name",	"obio", 5 },
+	{"ranges",	(char*)&prop_obio_ranges[0], sizeof(prop_obio_ranges) },
+	{"device_type",	"hierarchical", sizeof("hierarchical") },
+	{NULL, NULL, -1}
+};
+
+static const int prop_auxio_reg[] = {
+	0x0, 0x00900000, 0x00000001,
+};
+static const struct property propv_obio_auxio[] = {
+	{"name",	"auxio", sizeof("auxio") },
+	{"reg",		(char*)&prop_auxio_reg[0], sizeof(prop_auxio_reg) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_int_reg[] = {
+	0x0, 0x00e00000, 0x00000010,
+	0x0, 0x00e10000, 0x00000010,
+};
+static const struct property propv_obio_int[] = {
+	{"name",	"interrupt", sizeof("interrupt")},
+	{"reg",		(char*)&prop_int_reg[0], sizeof(prop_int_reg) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_cnt_reg[] = {
+	0x0, 0x00d00000, 0x00000010,
+	0x0, 0x00d10000, 0x00000010,
+};
+static const struct property propv_obio_cnt[] = {
+	{"name",	"counter", sizeof("counter")},
+	{"reg",		(char*)&prop_cnt_reg[0], sizeof(prop_cnt_reg) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_eeprom_reg[] = {
+	0x0, 0x00200000, 0x00002000,
+};
+static const struct property propv_obio_eep[] = {
+	{"name",	"eeprom", sizeof("eeprom")},
+	{"reg",		(char*)&prop_eeprom_reg[0], sizeof(prop_eeprom_reg) },
+	{"model",	"mk48t08", sizeof("mk48t08")},
+	{NULL, NULL, -1}
+};
+
+static const int prop_su_reg[] = {
+	0x0, 0x003002f8, 0x00000008,
+};
+static const struct property propv_obio_su[] = {
+	{"name",	"su", sizeof("su")},
+	{"reg",		(char*)&prop_su_reg[0], sizeof(prop_su_reg) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_zs_intr[] = { 0x2c, 0x0 };
+static const int prop_zs_reg[] = {
+	0x0, 0x00000000, 0x00000008,
+};
+static void *prop_zs_addr;
+static const int prop_zs_slave = 1;
+static const struct property propv_obio_zs[] = {
+	{"name",	"zs", sizeof("zs")},
+	{"reg",		(char*)&prop_zs_reg[0], sizeof(prop_zs_reg) },
+	{"slave",	(char*)&prop_zs_slave, sizeof(prop_zs_slave) },
+	{"device_type", "serial", sizeof("serial") },
+	{"intr",	(char*)&prop_zs_intr[0], sizeof(prop_zs_intr) },
+	{"address",	(char*)&prop_zs_addr, sizeof(prop_zs_addr) },
+	{"keyboard",	(char*)&prop_true, 0},
+	{"mouse",	(char*)&prop_true, 0},
+	{NULL, NULL, -1}
+};
+
+static const int prop_zs1_intr[] = { 0x2c, 0x0 };
+static const int prop_zs1_reg[] = {
+	0x0, 0x00100000, 0x00000008,
+};
+static void *prop_zs1_addr;
+static const int prop_zs1_slave = 0;
+static const struct property propv_obio_zs1[] = {
+	{"name",	"zs", sizeof("zs")},
+	{"reg",		(char*)&prop_zs1_reg[0], sizeof(prop_zs1_reg) },
+	{"slave",	(char*)&prop_zs1_slave, sizeof(prop_zs1_slave) },
+	{"device_type", "serial", sizeof("serial") },
+	{"intr",	(char*)&prop_zs1_intr[0], sizeof(prop_zs1_intr) },
+	{"address",	(char*)&prop_zs1_addr, sizeof(prop_zs1_addr) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_ledma_reg[] = {
+	0x4, 0x08400010, 0x00000020,
+};
+static const int prop_ledma_burst = 0x3f;
+static const struct property propv_sbus_ledma[] = {
+	{"name",	"ledma", sizeof("ledma")},
+	{"reg",		(char*)&prop_ledma_reg[0], sizeof(prop_ledma_reg) },
+	{"burst-sizes",	(char*)&prop_ledma_burst, sizeof(int) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_le_reg[] = {
+	0x4, 0x08c00000, 0x00000004,
+};
+static const int prop_le_busmaster_regval = 0x7;
+static const int prop_le_intr[] = { 0x26, 0x0 };
+static const struct property propv_sbus_ledma_le[] = {
+	{"name",	"le", sizeof("le")},
+	{"reg",		(char*)&prop_le_reg[0], sizeof(prop_le_reg) },
+	{"busmaster-regval",	(char*)&prop_le_busmaster_regval, sizeof(int)},
+	{"intr",	(char*)&prop_le_intr[0], sizeof(prop_le_intr) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_espdma_reg[] = {
+	0x4, 0x08400000, 0x00000010,
+};
+
+static const struct property propv_sbus_espdma[] = {
+	{"name",	"espdma", sizeof("espdma")}, 
+	{"reg",		(char*)&prop_espdma_reg[0], sizeof(prop_espdma_reg) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_esp_reg[] = {
+	0x4, 0x08800000, 0x00000040,
+};
+static const int prop_esp_intr[] = { 0x24, 0x0 };
+static const struct property propv_sbus_espdma_esp[] = {
+	{"name",	"esp", sizeof("esp")},
+	{"reg",		(char*)&prop_esp_reg[0], sizeof(prop_esp_reg) },
+	{"intr",	(char*)&prop_esp_intr[0], sizeof(prop_esp_intr) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_bpp_reg[] = {
+	0x4, 0x0c800000, 0x0000001c,
+};
+static const int prop_bpp_intr[] = { 0x33, 0x0 };
+static const struct property propv_sbus_bpp[] = {
+	{"name",	"SUNW,bpp", sizeof("SUNW,bpp")},
+	{"reg",		(char*)&prop_bpp_reg[0], sizeof(prop_bpp_reg) },
+	{"intr",	(char*)&prop_bpp_intr[0], sizeof(prop_bpp_intr) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_apc_reg[] = {
+	0x4, 0x0a000000, 0x00000010,
+};
+static const struct property propv_sbus_apc[] = {
+	{"name",	"xxxpower-management", sizeof("xxxpower-management")},
+	{"reg",		(char*)&prop_apc_reg[0], sizeof(prop_apc_reg) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_fd_intr[] = { 0x2b, 0x0 };
+static const int prop_fd_reg[] = {
+	0x0, 0x00400000, 0x0000000f,
+};
+static const struct property propv_obio_fd[] = {
+	{"name",	"SUNW,fdtwo", sizeof("SUNW,fdtwo")},
+	{"reg",		(char*)&prop_fd_reg[0], sizeof(prop_fd_reg) },
+	{"device_type", "block", sizeof("block") },
+	{"intr",	(char*)&prop_fd_intr[0], sizeof(prop_fd_intr) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_pw_intr[] = { 0x22, 0x0 };
+static const int prop_pw_reg[] = {
+	0x0, 0x00910000, 0x00000001,
+};
+static const struct property propv_obio_pw[] = {
+	{"name",	"power", sizeof("power")},
+	{"reg",		(char*)&prop_pw_reg[0], sizeof(prop_pw_reg) },
+	{"intr",	(char*)&prop_pw_intr[0], sizeof(prop_pw_intr) },
+	{NULL, NULL, -1}
+};
+
+static const int prop_cf_reg[] = {
+	0x0, 0x00800000, 0x00000001,
+};
+static const struct property propv_obio_cf[] = {
+	{"name",	"slavioconfig", sizeof("slavioconfig")},
+	{"reg",		(char*)&prop_cf_reg[0], sizeof(prop_cf_reg) },
+	{NULL, NULL, -1}
+};
+
+static const struct property propv_options[] = {
+	{"name",	"options", sizeof("options")},
+	{"screen-#columns",	"80", sizeof("80")},
+	{"screen-#rows",	"25", sizeof("25")},
+	{"tpe-link-test?",	(char *)&prop_true, 0},
+	{"ttya-mode",		"9600,8,n,1,-", sizeof("9600,8,n,1,-")},
+	{"ttya-ignore-cd",	(char *)&prop_true, 0},
+	{"ttya-rts-dtr-off",	0, -1},
+	{"ttyb-mode",		"9600,8,n,1,-", sizeof("9600,8,n,1,-")},
+	{"ttyb-ignore-cd",	(char *)&prop_true, 0},