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9#include "qemu/osdep.h"
10#include "cpu.h"
11#include "elf.h"
12#include "hw/loader.h"
13#include "alpha_sys.h"
14#include "qemu/error-report.h"
15#include "hw/rtc/mc146818rtc.h"
16#include "hw/ide/pci.h"
17#include "hw/isa/superio.h"
18#include "net/net.h"
19#include "qemu/cutils.h"
20#include "qemu/datadir.h"
21#include "net/net.h"
22
23static uint64_t cpu_alpha_superpage_to_phys(void *opaque, uint64_t addr)
24{
25 if (((addr >> 41) & 3) == 2) {
26 addr &= 0xffffffffffull;
27 }
28 return addr;
29}
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37
38static int clipper_pci_map_irq(PCIDevice *d, int irq_num)
39{
40 int slot = d->devfn >> 3;
41
42 assert(irq_num >= 0 && irq_num <= 3);
43
44 return (slot + 1) * 4 + irq_num;
45}
46
47static void clipper_init(MachineState *machine)
48{
49 ram_addr_t ram_size = machine->ram_size;
50 const char *kernel_filename = machine->kernel_filename;
51 const char *kernel_cmdline = machine->kernel_cmdline;
52 const char *initrd_filename = machine->initrd_filename;
53 AlphaCPU *cpus[4];
54 PCIBus *pci_bus;
55 PCIDevice *pci_dev;
56 DeviceState *i82378_dev;
57 ISABus *isa_bus;
58 qemu_irq rtc_irq;
59 qemu_irq isa_irq;
60 long size, i;
61 char *palcode_filename;
62 uint64_t palcode_entry;
63 uint64_t kernel_entry, kernel_low;
64 unsigned int smp_cpus = machine->smp.cpus;
65
66
67 memset(cpus, 0, sizeof(cpus));
68 for (i = 0; i < smp_cpus; ++i) {
69 cpus[i] = ALPHA_CPU(cpu_create(machine->cpu_type));
70 }
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82 cpus[0]->env.trap_arg0 = ram_size;
83 cpus[0]->env.trap_arg1 = 0;
84 cpus[0]->env.trap_arg2 = smp_cpus | (!machine->enable_graphics << 6);
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89
90 pci_bus = typhoon_init(machine->ram, &isa_irq, &rtc_irq, cpus,
91 clipper_pci_map_irq, PCI_DEVFN(1, 0));
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114 i82378_dev = DEVICE(pci_create_simple(pci_bus, PCI_DEVFN(7, 0), "i82378"));
115 isa_bus = ISA_BUS(qdev_get_child_bus(i82378_dev, "isa.0"));
116
117
118 qdev_connect_gpio_out(i82378_dev, 0, isa_irq);
119
120
121 mc146818_rtc_init(isa_bus, 1900, rtc_irq);
122
123
124 pci_vga_init(pci_bus);
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126
127 for (i = 0; i < nb_nics; i++) {
128 pci_nic_init_nofail(&nd_table[i], pci_bus, "e1000", NULL);
129 }
130
131
132 isa_create_simple(isa_bus, TYPE_SMC37C669_SUPERIO);
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135 pci_dev = pci_create_simple(pci_bus, -1, "cmd646-ide");
136 pci_ide_create_devs(pci_dev);
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140
141 palcode_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS,
142 machine->firmware ?: "palcode-clipper");
143 if (palcode_filename == NULL) {
144 error_report("no palcode provided");
145 exit(1);
146 }
147 size = load_elf(palcode_filename, NULL, cpu_alpha_superpage_to_phys,
148 NULL, &palcode_entry, NULL, NULL, NULL,
149 0, EM_ALPHA, 0, 0);
150 if (size < 0) {
151 error_report("could not load palcode '%s'", palcode_filename);
152 exit(1);
153 }
154 g_free(palcode_filename);
155
156
157 for (i = 0; i < smp_cpus; ++i) {
158 cpus[i]->env.pc = palcode_entry;
159 cpus[i]->env.palbr = palcode_entry;
160 }
161
162
163 if (kernel_filename) {
164 uint64_t param_offset;
165
166 size = load_elf(kernel_filename, NULL, cpu_alpha_superpage_to_phys,
167 NULL, &kernel_entry, &kernel_low, NULL, NULL,
168 0, EM_ALPHA, 0, 0);
169 if (size < 0) {
170 error_report("could not load kernel '%s'", kernel_filename);
171 exit(1);
172 }
173
174 cpus[0]->env.trap_arg1 = kernel_entry;
175
176 param_offset = kernel_low - 0x6000;
177
178 if (kernel_cmdline) {
179 pstrcpy_targphys("cmdline", param_offset, 0x100, kernel_cmdline);
180 }
181
182 if (initrd_filename) {
183 long initrd_base;
184 int64_t initrd_size;
185
186 initrd_size = get_image_size(initrd_filename);
187 if (initrd_size < 0) {
188 error_report("could not load initial ram disk '%s'",
189 initrd_filename);
190 exit(1);
191 }
192
193
194 initrd_base = (ram_size - initrd_size) & TARGET_PAGE_MASK;
195 load_image_targphys(initrd_filename, initrd_base,
196 ram_size - initrd_base);
197
198 address_space_stq(&address_space_memory, param_offset + 0x100,
199 initrd_base + 0xfffffc0000000000ULL,
200 MEMTXATTRS_UNSPECIFIED,
201 NULL);
202 address_space_stq(&address_space_memory, param_offset + 0x108,
203 initrd_size, MEMTXATTRS_UNSPECIFIED, NULL);
204 }
205 }
206}
207
208static void clipper_machine_init(MachineClass *mc)
209{
210 mc->desc = "Alpha DP264/CLIPPER";
211 mc->init = clipper_init;
212 mc->block_default_type = IF_IDE;
213 mc->max_cpus = 4;
214 mc->is_default = true;
215 mc->default_cpu_type = ALPHA_CPU_TYPE_NAME("ev67");
216 mc->default_ram_id = "ram";
217}
218
219DEFINE_MACHINE("clipper", clipper_machine_init)
220