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Rev 3022 Rev 4055
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#include <arch/types.h>
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#include <arch/types.h>
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#include <config.h>
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#include <config.h>
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#include <proc/thread.h>
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#include <proc/thread.h>
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#include <genarch/multiboot/multiboot.h>
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#include <genarch/drivers/legacy/ia32/io.h>
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#include <arch/drivers/ega.h>
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#include <genarch/drivers/ega/ega.h>
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#include <arch/drivers/vesa.h>
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#include <arch/drivers/vesa.h>
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#include <genarch/drivers/i8042/i8042.h>
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#include <genarch/kbd/i8042.h>
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#include <genarch/kbrd/kbrd.h>
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#include <arch/drivers/i8254.h>
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#include <arch/drivers/i8254.h>
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#include <arch/drivers/i8259.h>
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#include <arch/drivers/i8259.h>
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#include <arch/boot/boot.h>
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#ifdef CONFIG_SMP
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#ifdef CONFIG_SMP
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#include <arch/smp/apic.h>
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#include <arch/smp/apic.h>
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#endif
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#endif
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#include <arch/debugger.h>
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#include <arch/debugger.h>
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#include <syscall/syscall.h>
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#include <syscall/syscall.h>
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#include <console/console.h>
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#include <console/console.h>
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#include <ddi/irq.h>
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#include <ddi/irq.h>
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#include <ddi/device.h>
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#include <ddi/device.h>
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#include <sysinfo/sysinfo.h>
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70
 
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/** Disable I/O on non-privileged levels
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/** Disable I/O on non-privileged levels
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 *
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 *
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 * Clean IOPL(12,13) and NT(14) flags in EFLAGS register
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 * Clean IOPL(12,13) and NT(14) flags in EFLAGS register
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 */
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 */
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static void clean_IOPL_NT_flags(void)
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static void clean_IOPL_NT_flags(void)
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{
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{
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    asm (
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    asm volatile (
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        "pushfq\n"
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        "pushfq\n"
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        "pop %%rax\n"
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        "pop %%rax\n"
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        "and $~(0x7000), %%rax\n"
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        "and $~(0x7000), %%rax\n"
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        "pushq %%rax\n"
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        "pushq %%rax\n"
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        "popfq\n"
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        "popfq\n"
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        :
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        :
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        : "%rax"
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        ::: "%rax"
82
    );
84
    );
83
}
85
}
84
 
86
 
85
/** Disable alignment check
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/** Disable alignment check
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 *
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 *
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 * Clean AM(18) flag in CR0 register
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 * Clean AM(18) flag in CR0 register
88
 */
90
 */
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static void clean_AM_flag(void)
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static void clean_AM_flag(void)
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{
92
{
91
    asm (
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    asm volatile (
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        "mov %%cr0, %%rax\n"
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        "mov %%cr0, %%rax\n"
93
        "and $~(0x40000), %%rax\n"
95
        "and $~(0x40000), %%rax\n"
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        "mov %%rax, %%cr0\n"
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        "mov %%rax, %%cr0\n"
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        :
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        :
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        : "%rax"
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        ::: "%rax"
98
    );
98
    );
99
}
99
}
100
 
100
 
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101
/** Perform amd64-specific initialization before main_bsp() is called.
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102
 *
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103
 * @param signature Should contain the multiboot signature.
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 * @param mi        Pointer to the multiboot information structure.
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 */
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void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)
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{
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    /* Parse multiboot information obtained from the bootloader. */
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    multiboot_info_parse(signature, mi);
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#ifdef CONFIG_SMP
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    /* Copy AP bootstrap routines below 1 MB. */
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    memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET,
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        (size_t) &_hardcoded_unmapped_size);
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#endif
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}
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117
 
101
void arch_pre_mm_init(void)
118
void arch_pre_mm_init(void)
102
{
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{
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    /* Enable no-execute pages */
120
    /* Enable no-execute pages */
104
    set_efer_flag(AMD_NXE_FLAG);
121
    set_efer_flag(AMD_NXE_FLAG);
105
    /* Enable FPU */
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    /* Enable FPU */
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#ifdef CONFIG_FB
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#ifdef CONFIG_FB
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        if (vesa_present())
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        if (vesa_present())
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            vesa_init();
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            vesa_init();
140
        else
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        else
141
#endif
158
#endif
142
            ega_init(); /* video */
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            ega_init(EGA_BASE, EGA_VIDEORAM);   /* video */
143
       
160
       
144
        /* Enable debugger */
161
        /* Enable debugger */
145
        debugger_init();
162
        debugger_init();
146
        /* Merge all memory zones to 1 big zone */
163
        /* Merge all memory zones to 1 big zone */
147
        zone_merge_all();
164
        zone_merge_all();
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    }
187
    }
171
}
188
}
172
 
189
 
173
void arch_post_smp_init(void)
190
void arch_post_smp_init(void)
174
{
191
{
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192
    devno_t devno = device_assign_devno();
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193
 
-
 
194
        /*
-
 
195
     * Initialize the keyboard module and conect it to stdin. Then
-
 
196
     * initialize the i8042 controller and connect it to kbrdin. Enable
175
    /* keyboard controller */
197
     * keyboard interrupts.
-
 
198
         */
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199
    kbrd_init(stdin);
176
    i8042_init(device_assign_devno(), IRQ_KBD, device_assign_devno(), IRQ_MOUSE);
200
    (void) i8042_init((i8042_t *) I8042_BASE, devno, IRQ_KBD, &kbrdin);
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201
    trap_virtual_enable_irqs(1 << IRQ_KBD);
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203
    /*
-
 
204
     * This is the necessary evil until the userspace driver is entirely
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205
     * self-sufficient.
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206
     */
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207
    sysinfo_set_item_val("kbd", NULL, true);
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208
    sysinfo_set_item_val("kbd.devno", NULL, devno);
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209
    sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
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210
    sysinfo_set_item_val("kbd.address.physical", NULL,
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211
        (uintptr_t) I8042_BASE);
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212
    sysinfo_set_item_val("kbd.address.kernel", NULL,
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213
        (uintptr_t) I8042_BASE);
177
}
214
}
178
 
215
 
179
void calibrate_delay_loop(void)
216
void calibrate_delay_loop(void)
180
{
217
{
181
    i8254_calibrate_delay_loop();
218
    i8254_calibrate_delay_loop();
Line 206... Line 243...
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/** Acquire console back for kernel
243
/** Acquire console back for kernel
207
 *
244
 *
208
 */
245
 */
209
void arch_grab_console(void)
246
void arch_grab_console(void)
210
{
247
{
-
 
248
#ifdef CONFIG_FB
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249
    vesa_redraw();
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250
#else
211
    i8042_grab();
251
    ega_redraw();
-
 
252
#endif
212
}
253
}
-
 
254
 
213
/** Return console to userspace
255
/** Return console to userspace
214
 *
256
 *
215
 */
257
 */
216
void arch_release_console(void)
258
void arch_release_console(void)
217
{
259
{
-
 
260
}
-
 
261
 
-
 
262
/** Construct function pointer
-
 
263
 *
-
 
264
 * @param fptr   function pointer structure
-
 
265
 * @param addr   function address
-
 
266
 * @param caller calling function address
-
 
267
 *
-
 
268
 * @return address of the function pointer
-
 
269
 *
-
 
270
 */
-
 
271
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
-
 
272
{
218
    i8042_release();
273
    return addr;
219
}
274
}
220
 
275
 
221
/** @}
276
/** @}
222
 */
277
 */