WebSVN – HelenOS – Diff – /branches/arm/kernel/arch/arm32/src/arm32.c



 */
/** @file
 *  @brief ARM32 architecture specific functions.
 */
 
 
#include <arch.h>
#include <arch/boot.h>
#include <config.h>
#include <arch/console.h>
#include <ddi/device.h>

#include <userspace.h>
 
/** Information about loaded tasks. */
bootinfo_t bootinfo;
 
 
/** Performs arm32 specific initialization before main_bsp() is called. */
void arch_pre_main(void)
{
    int i;
 

        init.tasks[i].size = bootinfo.tasks[i].size;
    }
   
}
 
 
/** Performs arm32 specific initialization before mm is initialized. */
void arch_pre_mm_init(void)
{
    /* It is not assumed by default */
    interrupts_disable();
}
 
 
/** Performs arm32 specific initialization afterr mm is initialized. */
void arch_post_mm_init(void)
{
    machine_hw_map_init();
 
    /* Initialize exception dispatch table */
    exception_init();
 
    interrupt_init();
   
    console_init(device_assign_devno());

#ifdef CONFIG_FB
    fb_init(machine_get_fb_address(), 640, 480, 1920, VISUAL_RGB_8_8_8);
#endif
}
 
 
/** Performs arm32 specific tasks needed after cpu is initialized.
 *
 * Currently the function is empty.
 */
void arch_post_cpu_init(void)

 *
 * It sets supervisor_sp.
 */
void before_thread_runs_arch(void)
{
    uint8_t *stck;
   
    stck = &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA];
    supervisor_sp = (uintptr_t) stck;
}
 
 
/** Performs arm32 specific tasks before a thread stops running.
 *
 * Currently the function is empty.
 */
void after_thread_ran_arch(void)
{
}
 
 
/** Halts CPU. */
void cpu_halt(void)
{
    machine_cpu_halt();
}
 
/** @}
 */
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Rev 2411	Rev 2464
Line 31...	Line 31...
31	*/	31	*/
32	/** @file	32	/** @file
33	* @brief ARM32 architecture specific functions.	33	* @brief ARM32 architecture specific functions.
34	*/	34	*/
35		35
36		-
37	#include <arch.h>	36	#include <arch.h>
38	#include <arch/boot.h>	37	#include <arch/boot.h>
39	#include <config.h>	38	#include <config.h>
40	#include <arch/console.h>	39	#include <arch/console.h>
41	#include <ddi/device.h>	40	#include <ddi/device.h>
Line 51...	Line 50...
51	#include <userspace.h>	50	#include <userspace.h>
52		51
53	/** Information about loaded tasks. */	52	/** Information about loaded tasks. */
54	bootinfo_t bootinfo;	53	bootinfo_t bootinfo;
55		54
56		-
57	/** Performs arm32 specific initialization before main_bsp() is called. */	55	/** Performs arm32 specific initialization before main_bsp() is called. */
58	void arch_pre_main(void)	56	void arch_pre_main(void)
59	{	57	{
60	int i;	58	int i;
61		59
Line 66...	Line 64...
66	init.tasks[i].size = bootinfo.tasks[i].size;	64	init.tasks[i].size = bootinfo.tasks[i].size;
67	}	65	}
68		66
69	}	67	}
70		68
71		-
72	/** Performs arm32 specific initialization before mm is initialized. */	69	/** Performs arm32 specific initialization before mm is initialized. */
73	void arch_pre_mm_init(void)	70	void arch_pre_mm_init(void)
74	{	71	{
75	/* It is not assumed by default */	72	/* It is not assumed by default */
76	interrupts_disable();	73	interrupts_disable();
77	}	74	}
78		75
79		-
80	/** Performs arm32 specific initialization afterr mm is initialized. */	76	/** Performs arm32 specific initialization afterr mm is initialized. */
81	void arch_post_mm_init(void)	77	void arch_post_mm_init(void)
82	{	78	{
83	machine_hw_map_init();	79	machine_hw_map_init();
84		80
85	/* Initialize dispatch table */	81	/* Initialize exception dispatch table */
86	exception_init();	82	exception_init();
87		83
88	interrupt_init();	84	interrupt_init();
89		85
90	console_init(device_assign_devno());	86	console_init(device_assign_devno());
Line 92...	Line 88...
92	#ifdef CONFIG_FB	88	#ifdef CONFIG_FB
93	fb_init(machine_get_fb_address(), 640, 480, 1920, VISUAL_RGB_8_8_8);	89	fb_init(machine_get_fb_address(), 640, 480, 1920, VISUAL_RGB_8_8_8);
94	#endif	90	#endif
95	}	91	}
96		92
97		-
98	/** Performs arm32 specific tasks needed after cpu is initialized.	93	/** Performs arm32 specific tasks needed after cpu is initialized.
99	*	94	*
100	* Currently the function is empty.	95	* Currently the function is empty.
101	*/	96	*/
102	void arch_post_cpu_init(void)	97	void arch_post_cpu_init(void)
Line 135...	Line 130...
135	*	130	*
136	* It sets supervisor_sp.	131	* It sets supervisor_sp.
137	*/	132	*/
138	void before_thread_runs_arch(void)	133	void before_thread_runs_arch(void)
139	{	134	{
-		135	uint8_t *stck;
-		136
140	supervisor_sp = (uintptr_t) &THREAD->kstack[THREAD_STACK_SIZE-SP_DELTA];	137	stck = &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA];
-		138	supervisor_sp = (uintptr_t) stck;
141	}	139	}
142		140
143		-
144	/** Performs arm32 specific tasks before a thread stops running.	141	/** Performs arm32 specific tasks before a thread stops running.
145	*	142	*
146	* Currently the function is empty.	143	* Currently the function is empty.
147	*/	144	*/
148	void after_thread_ran_arch(void)	145	void after_thread_ran_arch(void)
149	{	146	{
150	}	147	}
151		148
152		-
153	/** Halts CPU. */	149	/** Halts CPU. */
154	void cpu_halt(void)	150	void cpu_halt(void)
155	{	151	{
156	machine_cpu_halt();	152	machine_cpu_halt();
157	}	153	}
158		154
159	/** @}	155	/** @}
160	*/	156	*/
161		-
162		-
163		-
164		-
165		-
166		-
167		-
168		-
169		-
170		-
171		-
172		-
173		-
174		-

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(root)/branches/arm/kernel/arch/arm32/src/arm32.c – Rev 2411 → 2464