WebSVN – HelenOS-historic – Diff – /SPARTAN/trunk/src/main/main.c



    config.base = hardcoded_load_address;
    config.memory_size = CONFIG_MEMORY_SIZE;
    config.kernel_size = hardcoded_ktext_size + hardcoded_kdata_size + CONFIG_HEAP_SIZE + CONFIG_STACK_SIZE;
 
    context_save(&ctx);
    ctx.sp = config.base + config.kernel_size - SP_DELTA;
    ctx.pc = FADDR(main_bsp_separated_stack);
    context_restore(&ctx);
    /* not reached */
}
 

    /*
     * If we woke kmp up before we left the kernel stack, we could
     * collide with another CPU coming up. To prevent this, we
     * switch to this cpu's private stack prior to waking kmp up.
     */
    CPU->saved_context.sp = (__address) &CPU->stack[CPU_STACK_SIZE-SP_DELTA];
    CPU->saved_context.pc = FADDR(main_ap_separated_stack);
    context_restore(&CPU->saved_context);
    /* not reached */
}
 

Subversion Repositories HelenOS-historic

(root)/SPARTAN/trunk/src/main/main.c – Rev 78 → 81

Rev 78		Rev 81
Line 92...		Line 92...
92	config.base = hardcoded_load_address;	92	config.base = hardcoded_load_address;
93	config.memory_size = CONFIG_MEMORY_SIZE;	93	config.memory_size = CONFIG_MEMORY_SIZE;
94	config.kernel_size = hardcoded_ktext_size + hardcoded_kdata_size + CONFIG_HEAP_SIZE + CONFIG_STACK_SIZE;	94	config.kernel_size = hardcoded_ktext_size + hardcoded_kdata_size + CONFIG_HEAP_SIZE + CONFIG_STACK_SIZE;
95		95
96	context_save(&ctx);	96	context_save(&ctx);
97	ctx.sp = config.base + config.kernel_size - 8;	97	ctx.sp = config.base + config.kernel_size - SP_DELTA;
98	ctx.pc = FADDR(main_bsp_separated_stack);	98	ctx.pc = FADDR(main_bsp_separated_stack);
99	context_restore(&ctx);	99	context_restore(&ctx);
100	/* not reached */	100	/* not reached */
101	}	101	}
102		102
Line 190...		Line 190...
190	/*	190	/*
191	* If we woke kmp up before we left the kernel stack, we could	191	* If we woke kmp up before we left the kernel stack, we could
192	* collide with another CPU coming up. To prevent this, we	192	* collide with another CPU coming up. To prevent this, we
193	* switch to this cpu's private stack prior to waking kmp up.	193	* switch to this cpu's private stack prior to waking kmp up.
194	*/	194	*/
195	CPU->saved_context.sp = (__address) &CPU->stack[CPU_STACK_SIZE-8];	195	CPU->saved_context.sp = (__address) &CPU->stack[CPU_STACK_SIZE-SP_DELTA];
196	CPU->saved_context.pc = FADDR(main_ap_separated_stack);	196	CPU->saved_context.pc = FADDR(main_ap_separated_stack);
197	context_restore(&CPU->saved_context);	197	context_restore(&CPU->saved_context);
198	/* not reached */	198	/* not reached */
199	}	199	}
200		200