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9#include "qemu/osdep.h"
10#include "qemu-common.h"
11#include "cpu.h"
12#include "hw/hw.h"
13#include "elf.h"
14#include "hw/loader.h"
15#include "hw/boards.h"
16#include "alpha_sys.h"
17#include "qemu/error-report.h"
18#include "sysemu/sysemu.h"
19#include "hw/timer/mc146818rtc.h"
20#include "hw/ide.h"
21#include "hw/timer/i8254.h"
22#include "hw/char/serial.h"
23#include "qemu/cutils.h"
24
25#define MAX_IDE_BUS 2
26
27static uint64_t cpu_alpha_superpage_to_phys(void *opaque, uint64_t addr)
28{
29 if (((addr >> 41) & 3) == 2) {
30 addr &= 0xffffffffffull;
31 }
32 return addr;
33}
34
35
36
37
38
39
40
41
42static int clipper_pci_map_irq(PCIDevice *d, int irq_num)
43{
44 int slot = d->devfn >> 3;
45
46 assert(irq_num >= 0 && irq_num <= 3);
47
48 return (slot + 1) * 4 + irq_num;
49}
50
51static void clipper_init(MachineState *machine)
52{
53 ram_addr_t ram_size = machine->ram_size;
54 const char *cpu_model = machine->cpu_model;
55 const char *kernel_filename = machine->kernel_filename;
56 const char *kernel_cmdline = machine->kernel_cmdline;
57 const char *initrd_filename = machine->initrd_filename;
58 AlphaCPU *cpus[4];
59 PCIBus *pci_bus;
60 ISABus *isa_bus;
61 qemu_irq rtc_irq;
62 long size, i;
63 char *palcode_filename;
64 uint64_t palcode_entry, palcode_low, palcode_high;
65 uint64_t kernel_entry, kernel_low, kernel_high;
66
67
68 memset(cpus, 0, sizeof(cpus));
69 for (i = 0; i < smp_cpus; ++i) {
70 cpus[i] = cpu_alpha_init(cpu_model ? cpu_model : "ev67");
71 }
72
73 cpus[0]->env.trap_arg0 = ram_size;
74 cpus[0]->env.trap_arg1 = 0;
75 cpus[0]->env.trap_arg2 = smp_cpus;
76
77
78 pci_bus = typhoon_init(ram_size, &isa_bus, &rtc_irq, cpus,
79 clipper_pci_map_irq);
80
81
82 rtc_init(isa_bus, 1900, rtc_irq);
83
84 pit_init(isa_bus, 0x40, 0, NULL);
85 isa_create_simple(isa_bus, "i8042");
86
87
88 pci_vga_init(pci_bus);
89
90
91 serial_hds_isa_init(isa_bus, MAX_SERIAL_PORTS);
92
93
94 for (i = 0; i < nb_nics; i++) {
95 pci_nic_init_nofail(&nd_table[i], pci_bus, "e1000", NULL);
96 }
97
98
99 {
100 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
101 ide_drive_get(hd, ARRAY_SIZE(hd));
102
103 pci_cmd646_ide_init(pci_bus, hd, 0);
104 }
105
106
107
108
109 palcode_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS,
110 bios_name ? bios_name : "palcode-clipper");
111 if (palcode_filename == NULL) {
112 error_report("no palcode provided");
113 exit(1);
114 }
115 size = load_elf(palcode_filename, cpu_alpha_superpage_to_phys,
116 NULL, &palcode_entry, &palcode_low, &palcode_high,
117 0, EM_ALPHA, 0, 0);
118 if (size < 0) {
119 error_report("could not load palcode '%s'", palcode_filename);
120 exit(1);
121 }
122 g_free(palcode_filename);
123
124
125 for (i = 0; i < smp_cpus; ++i) {
126 cpus[i]->env.pal_mode = 1;
127 cpus[i]->env.pc = palcode_entry;
128 cpus[i]->env.palbr = palcode_entry;
129 }
130
131
132 if (kernel_filename) {
133 uint64_t param_offset;
134
135 size = load_elf(kernel_filename, cpu_alpha_superpage_to_phys,
136 NULL, &kernel_entry, &kernel_low, &kernel_high,
137 0, EM_ALPHA, 0, 0);
138 if (size < 0) {
139 error_report("could not load kernel '%s'", kernel_filename);
140 exit(1);
141 }
142
143 cpus[0]->env.trap_arg1 = kernel_entry;
144
145 param_offset = kernel_low - 0x6000;
146
147 if (kernel_cmdline) {
148 pstrcpy_targphys("cmdline", param_offset, 0x100, kernel_cmdline);
149 }
150
151 if (initrd_filename) {
152 long initrd_base, initrd_size;
153
154 initrd_size = get_image_size(initrd_filename);
155 if (initrd_size < 0) {
156 error_report("could not load initial ram disk '%s'",
157 initrd_filename);
158 exit(1);
159 }
160
161
162 initrd_base = (ram_size - initrd_size) & TARGET_PAGE_MASK;
163 load_image_targphys(initrd_filename, initrd_base,
164 ram_size - initrd_base);
165
166 address_space_stq(&address_space_memory, param_offset + 0x100,
167 initrd_base + 0xfffffc0000000000ULL,
168 MEMTXATTRS_UNSPECIFIED,
169 NULL);
170 address_space_stq(&address_space_memory, param_offset + 0x108,
171 initrd_size, MEMTXATTRS_UNSPECIFIED, NULL);
172 }
173 }
174}
175
176static void clipper_machine_init(MachineClass *mc)
177{
178 mc->desc = "Alpha DP264/CLIPPER";
179 mc->init = clipper_init;
180 mc->max_cpus = 4;
181 mc->is_default = 1;
182}
183
184DEFINE_MACHINE("clipper", clipper_machine_init)
185