Subversion Repositories HelenOS

Rev

Rev 2787 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2787 Rev 4377
Line 37... Line 37...
37
#include <arch/types.h>
37
#include <arch/types.h>
38
 
38
 
39
#include <config.h>
39
#include <config.h>
40
 
40
 
41
#include <proc/thread.h>
41
#include <proc/thread.h>
-
 
42
#include <genarch/multiboot/multiboot.h>
-
 
43
#include <genarch/drivers/legacy/ia32/io.h>
42
#include <arch/drivers/ega.h>
44
#include <genarch/drivers/ega/ega.h>
43
#include <arch/drivers/vesa.h>
45
#include <arch/drivers/vesa.h>
-
 
46
#include <genarch/drivers/i8042/i8042.h>
44
#include <genarch/kbd/i8042.h>
47
#include <genarch/kbrd/kbrd.h>
45
#include <arch/drivers/i8254.h>
48
#include <arch/drivers/i8254.h>
46
#include <arch/drivers/i8259.h>
49
#include <arch/drivers/i8259.h>
-
 
50
#include <arch/boot/boot.h>
47
 
51
 
48
#ifdef CONFIG_SMP
52
#ifdef CONFIG_SMP
49
#include <arch/smp/apic.h>
53
#include <arch/smp/apic.h>
50
#endif
54
#endif
51
 
55
 
Line 59... Line 63...
59
#include <arch/syscall.h>
63
#include <arch/syscall.h>
60
#include <arch/debugger.h>
64
#include <arch/debugger.h>
61
#include <syscall/syscall.h>
65
#include <syscall/syscall.h>
62
#include <console/console.h>
66
#include <console/console.h>
63
#include <ddi/irq.h>
67
#include <ddi/irq.h>
64
#include <ddi/device.h>
68
#include <sysinfo/sysinfo.h>
65
 
-
 
66
 
69
 
67
/** Disable I/O on non-privileged levels
70
/** Disable I/O on non-privileged levels
68
 *
71
 *
69
 * Clean IOPL(12,13) and NT(14) flags in EFLAGS register
72
 * Clean IOPL(12,13) and NT(14) flags in EFLAGS register
70
 */
73
 */
71
static void clean_IOPL_NT_flags(void)
74
static void clean_IOPL_NT_flags(void)
72
{
75
{
73
    asm (
76
    asm volatile (
74
        "pushfq\n"
77
        "pushfq\n"
75
        "pop %%rax\n"
78
        "pop %%rax\n"
76
        "and $~(0x7000), %%rax\n"
79
        "and $~(0x7000), %%rax\n"
77
        "pushq %%rax\n"
80
        "pushq %%rax\n"
78
        "popfq\n"
81
        "popfq\n"
79
        :
-
 
80
        :
-
 
81
        : "%rax"
82
        ::: "%rax"
82
    );
83
    );
83
}
84
}
84
 
85
 
85
/** Disable alignment check
86
/** Disable alignment check
86
 *
87
 *
87
 * Clean AM(18) flag in CR0 register
88
 * Clean AM(18) flag in CR0 register
88
 */
89
 */
89
static void clean_AM_flag(void)
90
static void clean_AM_flag(void)
90
{
91
{
91
    asm (
92
    asm volatile (
92
        "mov %%cr0, %%rax\n"
93
        "mov %%cr0, %%rax\n"
93
        "and $~(0x40000), %%rax\n"
94
        "and $~(0x40000), %%rax\n"
94
        "mov %%rax, %%cr0\n"
95
        "mov %%rax, %%cr0\n"
95
        :
-
 
96
        :
-
 
97
        : "%rax"
96
        ::: "%rax"
98
    );
97
    );
99
}
98
}
100
 
99
 
-
 
100
/** Perform amd64-specific initialization before main_bsp() is called.
-
 
101
 *
-
 
102
 * @param signature Should contain the multiboot signature.
-
 
103
 * @param mi        Pointer to the multiboot information structure.
-
 
104
 */
-
 
105
void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)
-
 
106
{
-
 
107
    /* Parse multiboot information obtained from the bootloader. */
-
 
108
    multiboot_info_parse(signature, mi);
-
 
109
   
-
 
110
#ifdef CONFIG_SMP
-
 
111
    /* Copy AP bootstrap routines below 1 MB. */
-
 
112
    memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET,
-
 
113
        (size_t) &_hardcoded_unmapped_size);
-
 
114
#endif
-
 
115
}
-
 
116
 
101
void arch_pre_mm_init(void)
117
void arch_pre_mm_init(void)
102
{
118
{
103
    /* Enable no-execute pages */
119
    /* Enable no-execute pages */
104
    set_efer_flag(AMD_NXE_FLAG);
120
    set_efer_flag(AMD_NXE_FLAG);
105
    /* Enable FPU */
121
    /* Enable FPU */
Line 131... Line 147...
131
        /* Initialize IRQ routing */
147
        /* Initialize IRQ routing */
132
        irq_init(IRQ_COUNT, IRQ_COUNT);
148
        irq_init(IRQ_COUNT, IRQ_COUNT);
133
       
149
       
134
        /* hard clock */
150
        /* hard clock */
135
        i8254_init();
151
        i8254_init();
136
               
152
       
137
#ifdef CONFIG_FB
153
#ifdef CONFIG_FB
138
        if (vesa_present())
154
        if (vesa_present())
139
            vesa_init();
155
            vesa_init();
140
        else
156
        else
141
#endif
157
#endif
-
 
158
#ifdef CONFIG_EGA
142
            ega_init(); /* video */
159
            ega_init(EGA_BASE, EGA_VIDEORAM);  /* video */
-
 
160
#else
-
 
161
            {}
-
 
162
#endif
143
       
163
       
144
        /* Enable debugger */
164
        /* Enable debugger */
145
        debugger_init();
165
        debugger_init();
146
        /* Merge all memory zones to 1 big zone */
166
        /* Merge all memory zones to 1 big zone */
147
        zone_merge_all();
167
        zone_merge_all();
Line 170... Line 190...
170
    }
190
    }
171
}
191
}
172
 
192
 
173
void arch_post_smp_init(void)
193
void arch_post_smp_init(void)
174
{
194
{
-
 
195
#ifdef CONFIG_PC_KBD
-
 
196
    /*
-
 
197
     * Initialize the i8042 controller. Then initialize the keyboard
-
 
198
     * module and connect it to i8042. Enable keyboard interrupts.
-
 
199
     */
-
 
200
    i8042_instance_t *i8042_instance = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD);
-
 
201
    if (i8042_instance) {
-
 
202
        kbrd_instance_t *kbrd_instance = kbrd_init();
175
    /* keyboard controller */
203
        if (kbrd_instance) {
-
 
204
            indev_t *sink = stdin_wire();
-
 
205
            indev_t *kbrd = kbrd_wire(kbrd_instance, sink);
-
 
206
            i8042_wire(i8042_instance, kbrd);
-
 
207
            trap_virtual_enable_irqs(1 << IRQ_KBD);
-
 
208
        }
-
 
209
    }
-
 
210
   
-
 
211
    /*
176
    i8042_init(device_assign_devno(), IRQ_KBD, device_assign_devno(), IRQ_MOUSE);
212
     * This is the necessary evil until the userspace driver is entirely
-
 
213
     * self-sufficient.
-
 
214
     */
-
 
215
    sysinfo_set_item_val("kbd", NULL, true);
-
 
216
    sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
-
 
217
    sysinfo_set_item_val("kbd.address.physical", NULL,
-
 
218
        (uintptr_t) I8042_BASE);
-
 
219
    sysinfo_set_item_val("kbd.address.kernel", NULL,
-
 
220
        (uintptr_t) I8042_BASE);
-
 
221
#endif
177
}
222
}
178
 
223
 
179
void calibrate_delay_loop(void)
224
void calibrate_delay_loop(void)
180
{
225
{
181
    i8254_calibrate_delay_loop();
226
    i8254_calibrate_delay_loop();
Line 206... Line 251...
206
/** Acquire console back for kernel
251
/** Acquire console back for kernel
207
 *
252
 *
208
 */
253
 */
209
void arch_grab_console(void)
254
void arch_grab_console(void)
210
{
255
{
-
 
256
#ifdef CONFIG_FB
-
 
257
    if (vesa_present())
211
    i8042_grab();
258
        vesa_redraw();
-
 
259
    else
-
 
260
#endif
-
 
261
#ifdef CONFIG_EGA
-
 
262
        ega_redraw();
-
 
263
#else
-
 
264
        {}
-
 
265
#endif
212
}
266
}
-
 
267
 
213
/** Return console to userspace
268
/** Return console to userspace
214
 *
269
 *
215
 */
270
 */
216
void arch_release_console(void)
271
void arch_release_console(void)
217
{
272
{
-
 
273
}
-
 
274
 
-
 
275
/** Construct function pointer
-
 
276
 *
-
 
277
 * @param fptr   function pointer structure
-
 
278
 * @param addr   function address
-
 
279
 * @param caller calling function address
-
 
280
 *
-
 
281
 * @return address of the function pointer
-
 
282
 *
-
 
283
 */
-
 
284
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
-
 
285
{
218
    i8042_release();
286
    return addr;
-
 
287
}
-
 
288
 
-
 
289
void arch_reboot(void)
-
 
290
{
-
 
291
#ifdef CONFIG_PC_KBD
-
 
292
    i8042_cpu_reset((i8042_t *) I8042_BASE);
-
 
293
#endif
219
}
294
}
220
 
295
 
221
/** @}
296
/** @}
222
 */
297
 */