WebSVN – HelenOS – Diff – //trunk/kernel/arch/ia32/src/interrupt.c



static void trap_virtual_eoi(void)
{
    if (eoi_function)
        eoi_function();
    else
        panic("No eoi_function.");
 
}
 
static void null_interrupt(int n, istate_t *istate)
{
    fault_if_from_uspace(istate, "Unserviced interrupt: %d.", n);
 
    decode_istate(istate);
    panic("Unserviced interrupt: %d.", n);
}
 
/** General Protection Fault. */
static void gp_fault(int n __attribute__((unused)), istate_t *istate)
{

             * the instruction.
             */
            io_perm_bitmap_install();
            return;
        }
        fault_if_from_uspace(istate, "General protection fault.");
    }
 
    decode_istate(istate);
    panic("General protection fault.");
}
 
static void ss_fault(int n __attribute__((unused)), istate_t *istate)
{
    fault_if_from_uspace(istate, "Stack fault.");
 
    decode_istate(istate);
    panic("Stack fault.");
}
 
static void simd_fp_exception(int n __attribute__((unused)), istate_t *istate)
{
    uint32_t mxcsr;
    asm (
        "stmxcsr %0;\n"
        : "=m" (mxcsr)
    );
    fault_if_from_uspace(istate, "SIMD FP exception(19), MXCSR: %#zx.",
        (unative_t) mxcsr);
 
    decode_istate(istate);
    printf("MXCSR: %#lx\n", mxcsr);
    panic("SIMD FP exception(19).");
}
 
static void nm_fault(int n __attribute__((unused)), istate_t *istate __attribute__((unused)))
{
#ifdef CONFIG_FPU_LAZY     
    scheduler_fpu_lazy_request();
#else
    fault_if_from_uspace(istate, "FPU fault.");
    panic("FPU fault.");
#endif
}
 
#ifdef CONFIG_SMP
static void tlb_shootdown_ipi(int n __attribute__((unused)), istate_t *istate __attribute__((unused)))

void trap_virtual_enable_irqs(uint16_t irqmask)
{
    if (enable_irqs_function)
        enable_irqs_function(irqmask);
    else
        panic("No enable_irqs_function.");
}
 
void trap_virtual_disable_irqs(uint16_t irqmask)
{
    if (disable_irqs_function)
        disable_irqs_function(irqmask);
    else
        panic("No disable_irqs_function.");
}
 
/** @}
 */

Rev 3788	Rev 3790
Line 87...	Line 87...
87	static void trap_virtual_eoi(void)	87	static void trap_virtual_eoi(void)
88	{	88	{
89	if (eoi_function)	89	if (eoi_function)
90	eoi_function();	90	eoi_function();
91	else	91	else
92	panic("no eoi_function\n");	92	panic("No eoi_function.");
93		93
94	}	94	}
95		95
96	static void null_interrupt(int n, istate_t *istate)	96	static void null_interrupt(int n, istate_t *istate)
97	{	97	{
98	fault_if_from_uspace(istate, "Unserviced interrupt: %d", n);	98	fault_if_from_uspace(istate, "Unserviced interrupt: %d.", n);
99		99
100	decode_istate(istate);	100	decode_istate(istate);
101	panic("Unserviced interrupt: %d\n", n);	101	panic("Unserviced interrupt: %d.", n);
102	}	102	}
103		103
104	/** General Protection Fault. */	104	/** General Protection Fault. */
105	static void gp_fault(int n __attribute__((unused)), istate_t *istate)	105	static void gp_fault(int n __attribute__((unused)), istate_t *istate)
106	{	106	{
Line 120...	Line 120...
120	* the instruction.	120	* the instruction.
121	*/	121	*/
122	io_perm_bitmap_install();	122	io_perm_bitmap_install();
123	return;	123	return;
124	}	124	}
125	fault_if_from_uspace(istate, "General protection fault");	125	fault_if_from_uspace(istate, "General protection fault.");
126	}	126	}
127		127
128	decode_istate(istate);	128	decode_istate(istate);
129	panic("General protection fault\n");	129	panic("General protection fault.");
130	}	130	}
131		131
132	static void ss_fault(int n __attribute__((unused)), istate_t *istate)	132	static void ss_fault(int n __attribute__((unused)), istate_t *istate)
133	{	133	{
134	fault_if_from_uspace(istate, "Stack fault");	134	fault_if_from_uspace(istate, "Stack fault.");
135		135
136	decode_istate(istate);	136	decode_istate(istate);
137	panic("Stack fault\n");	137	panic("Stack fault.");
138	}	138	}
139		139
140	static void simd_fp_exception(int n __attribute__((unused)), istate_t *istate)	140	static void simd_fp_exception(int n __attribute__((unused)), istate_t *istate)
141	{	141	{
142	uint32_t mxcsr;	142	uint32_t mxcsr;
143	asm (	143	asm (
144	"stmxcsr %0;\n"	144	"stmxcsr %0;\n"
145	: "=m" (mxcsr)	145	: "=m" (mxcsr)
146	);	146	);
147	fault_if_from_uspace(istate, "SIMD FP exception(19), MXCSR: %#zx",	147	fault_if_from_uspace(istate, "SIMD FP exception(19), MXCSR: %#zx.",
148	(unative_t) mxcsr);	148	(unative_t) mxcsr);
149		149
150	decode_istate(istate);	150	decode_istate(istate);
151	printf("MXCSR: %#lx\n", mxcsr);	151	printf("MXCSR: %#lx\n", mxcsr);
152	panic("SIMD FP exception(19)\n");	152	panic("SIMD FP exception(19).");
153	}	153	}
154		154
155	static void nm_fault(int n __attribute__((unused)), istate_t *istate __attribute__((unused)))	155	static void nm_fault(int n __attribute__((unused)), istate_t *istate __attribute__((unused)))
156	{	156	{
157	#ifdef CONFIG_FPU_LAZY	157	#ifdef CONFIG_FPU_LAZY
158	scheduler_fpu_lazy_request();	158	scheduler_fpu_lazy_request();
159	#else	159	#else
160	fault_if_from_uspace(istate, "FPU fault");	160	fault_if_from_uspace(istate, "FPU fault.");
161	panic("FPU fault");	161	panic("FPU fault.");
162	#endif	162	#endif
163	}	163	}
164		164
165	#ifdef CONFIG_SMP	165	#ifdef CONFIG_SMP
166	static void tlb_shootdown_ipi(int n __attribute__((unused)), istate_t *istate __attribute__((unused)))	166	static void tlb_shootdown_ipi(int n __attribute__((unused)), istate_t *istate __attribute__((unused)))
Line 231...	Line 231...
231	void trap_virtual_enable_irqs(uint16_t irqmask)	231	void trap_virtual_enable_irqs(uint16_t irqmask)
232	{	232	{
233	if (enable_irqs_function)	233	if (enable_irqs_function)
234	enable_irqs_function(irqmask);	234	enable_irqs_function(irqmask);
235	else	235	else
236	panic("no enable_irqs_function\n");	236	panic("No enable_irqs_function.");
237	}	237	}
238		238
239	void trap_virtual_disable_irqs(uint16_t irqmask)	239	void trap_virtual_disable_irqs(uint16_t irqmask)
240	{	240	{
241	if (disable_irqs_function)	241	if (disable_irqs_function)
242	disable_irqs_function(irqmask);	242	disable_irqs_function(irqmask);
243	else	243	else
244	panic("no disable_irqs_function\n");	244	panic("No disable_irqs_function.");
245	}	245	}
246		246
247	/** @}	247	/** @}
248	*/	248	*/

Subversion Repositories HelenOS

(root)//trunk/kernel/arch/ia32/src/interrupt.c – Rev 3788 → 3790