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Rev 3022 Rev 4055
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#include <arch/types.h>
 37 
#include <arch/types.h>
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 38 
 
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#include <config.h>
 39 
#include <config.h>
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 40 
 
41 
#include <proc/thread.h>
 41 
#include <proc/thread.h>
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#include <genarch/multiboot/multiboot.h>
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 43 
#include <genarch/drivers/legacy/ia32/io.h>
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#include <arch/drivers/ega.h>
 44 
#include <genarch/drivers/ega/ega.h>
43 
#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>
45 
#include <arch/drivers/i8254.h>
 48 
#include <arch/drivers/i8254.h>
46 
#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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 51 
 
48 
#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>
50 
#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 
 
67 
/** Disable I/O on non-privileged levels
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/** Disable I/O on non-privileged levels
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 *
 72 
 *
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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
70 
 */
 74 
 */
71 
static void clean_IOPL_NT_flags(void)
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static void clean_IOPL_NT_flags(void)
72 
{
 76 
{
73 
    asm (
 77 
    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"
 80 
        "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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        :
 - 
 
80 
        :
 - 
 
81 
        : "%rax"
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        ::: "%rax"
82 
    );
 84 
    );
83 
}
 85 
}
84 
 
 86 
 
85 
/** Disable alignment check
 87 
/** Disable alignment check
86 
 *
 88 
 *
87 
 * Clean AM(18) flag in CR0 register
 89 
 * Clean AM(18) flag in CR0 register
88 
 */
 90 
 */
89 
static void clean_AM_flag(void)
 91 
static void clean_AM_flag(void)
90 
{
 92 
{
91 
    asm (
 93 
    asm volatile (
92 
        "mov %%cr0, %%rax\n"
 94 
        "mov %%cr0, %%rax\n"
93 
        "and $~(0x40000), %%rax\n"
 95 
        "and $~(0x40000), %%rax\n"
94 
        "mov %%rax, %%cr0\n"
 96 
        "mov %%rax, %%cr0\n"
95 
        :
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96 
        :
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97 
        : "%rax"
 97 
        ::: "%rax"
98 
    );
 98 
    );
99 
}
 99 
}
100 
 
 100 
 
- 
 
 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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 104 
 * @param mi        Pointer to the multiboot information structure.
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 105 
 */
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 106 
void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)
- 
 
 107 
{
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    /* Parse multiboot information obtained from the bootloader. */
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    multiboot_info_parse(signature, mi);
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 110 
   
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 111 
#ifdef CONFIG_SMP
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 112 
    /* Copy AP bootstrap routines below 1 MB. */
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 113 
    memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET,
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 114 
        (size_t) &_hardcoded_unmapped_size);
- 
 
 115 
#endif
- 
 
 116 
}
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 117 
 
101 
void arch_pre_mm_init(void)
 118 
void arch_pre_mm_init(void)
102 
{
 119 
{
103 
    /* 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 */
 122 
    /* Enable FPU */
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#ifdef CONFIG_FB
 154 
#ifdef CONFIG_FB
138 
        if (vesa_present())
 155 
        if (vesa_present())
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            vesa_init();
 156 
            vesa_init();
140 
        else
 157 
        else
141 
#endif
 158 
#endif
142 
            ega_init(); /* video */
 159 
            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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170 
    }
 187 
    }
171 
}
 188 
}
172 
 
 189 
 
173 
void arch_post_smp_init(void)
 190 
void arch_post_smp_init(void)
174 
{
 191 
{
- 
 
 192 
    devno_t devno = device_assign_devno();
- 
 
 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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 202 
 
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 203 
    /*
- 
 
 204 
     * This is the necessary evil until the userspace driver is entirely
- 
 
 205 
     * self-sufficient.
- 
 
 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);
- 
 
 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();
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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
- 
 
 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 
 */