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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/syscall.h>
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#include <arch/syscall.h>
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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 <sysinfo/sysinfo.h>
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-
 
66
 
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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
    );
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    );
83
}
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}
84
 
85
 
85
/** Disable alignment check
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/** Disable alignment check
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 *
87
 *
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 * Clean AM(18) flag in CR0 register
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 * Clean AM(18) flag in CR0 register
88
 */
89
 */
89
static void clean_AM_flag(void)
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static void clean_AM_flag(void)
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{
91
{
91
    asm (
92
    asm volatile (
92
        "mov %%cr0, %%rax\n"
93
        "mov %%cr0, %%rax\n"
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        "and $~(0x40000), %%rax\n"
94
        "and $~(0x40000), %%rax\n"
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        "mov %%rax, %%cr0\n"
95
        "mov %%rax, %%cr0\n"
95
        :
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96
        :
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97
        : "%rax"
96
        ::: "%rax"
98
    );
97
    );
99
}
98
}
100
 
99
 
-
 
100
/** Perform amd64-specific initialization before main_bsp() is called.
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101
 *
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102
 * @param signature Should contain the multiboot signature.
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 * @param mi        Pointer to the multiboot information structure.
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104
 */
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105
void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)
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106
{
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    /* Parse multiboot information obtained from the bootloader. */
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    multiboot_info_parse(signature, mi);
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109
   
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110
#ifdef CONFIG_SMP
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111
    /* Copy AP bootstrap routines below 1 MB. */
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    memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET,
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113
        (size_t) &_hardcoded_unmapped_size);
-
 
114
#endif
-
 
115
}
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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 */
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        /* Initialize IRQ routing */
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        /* Initialize IRQ routing */
132
        irq_init(IRQ_COUNT, IRQ_COUNT);
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        irq_init(IRQ_COUNT, IRQ_COUNT);
133
       
149
       
134
        /* hard clock */
150
        /* hard clock */
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        i8254_init();
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        i8254_init();
136
               
152
       
137
#ifdef CONFIG_FB
153
#ifdef CONFIG_FB
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        if (vesa_present())
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        if (vesa_present())
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            vesa_init();
155
            vesa_init();
140
        else
156
        else
141
#endif
157
#endif
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#ifdef CONFIG_EGA
142
            ega_init(); /* video */
159
            ega_init(EGA_BASE, EGA_VIDEORAM);  /* video */
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#else
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            {}
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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();
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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
     */
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200
    indev_t *kbrdin = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD);
-
 
201
    if (kbrdin) {
175
    /* keyboard controller */
202
        kbrd_init(kbrdin);
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203
        trap_virtual_enable_irqs(1 << IRQ_KBD);
-
 
204
    }
-
 
205
   
-
 
206
    /*
176
    i8042_init(device_assign_devno(), IRQ_KBD, device_assign_devno(), IRQ_MOUSE);
207
     * This is the necessary evil until the userspace driver is entirely
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208
     * self-sufficient.
-
 
209
     */
-
 
210
    sysinfo_set_item_val("kbd", NULL, true);
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211
    sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
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212
    sysinfo_set_item_val("kbd.address.physical", NULL,
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213
        (uintptr_t) I8042_BASE);
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    sysinfo_set_item_val("kbd.address.kernel", NULL,
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215
        (uintptr_t) I8042_BASE);
-
 
216
#endif
177
}
217
}
178
 
218
 
179
void calibrate_delay_loop(void)
219
void calibrate_delay_loop(void)
180
{
220
{
181
    i8254_calibrate_delay_loop();
221
    i8254_calibrate_delay_loop();
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/** Acquire console back for kernel
246
/** Acquire console back for kernel
207
 *
247
 *
208
 */
248
 */
209
void arch_grab_console(void)
249
void arch_grab_console(void)
210
{
250
{
-
 
251
#ifdef CONFIG_FB
-
 
252
    if (vesa_present())
211
    i8042_grab();
253
        vesa_redraw();
-
 
254
    else
-
 
255
#endif
-
 
256
#ifdef CONFIG_EGA
-
 
257
        ega_redraw();
-
 
258
#else
-
 
259
        {}
-
 
260
#endif
212
}
261
}
-
 
262
 
213
/** Return console to userspace
263
/** Return console to userspace
214
 *
264
 *
215
 */
265
 */
216
void arch_release_console(void)
266
void arch_release_console(void)
217
{
267
{
-
 
268
}
-
 
269
 
-
 
270
/** Construct function pointer
-
 
271
 *
-
 
272
 * @param fptr   function pointer structure
-
 
273
 * @param addr   function address
-
 
274
 * @param caller calling function address
-
 
275
 *
-
 
276
 * @return address of the function pointer
-
 
277
 *
-
 
278
 */
-
 
279
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
-
 
280
{
218
    i8042_release();
281
    return addr;
219
}
282
}
220
 
283
 
221
/** @}
284
/** @}
222
 */
285
 */