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78 lines
1.6 KiB
78 lines
1.6 KiB
; SPDX-License-Identifier: GPL-2.0-only |
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; |
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; Port on Texas Instruments TMS320C6x architecture |
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; |
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; Copyright (C) 2004, 2006, 2009, 2010, 2011 Texas Instruments Incorporated |
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; Author: Aurelien Jacquiot ([email protected]) |
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; |
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; This section handles all the interrupt vector routines. |
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; At RESET the processor sets up the DRAM timing parameters and |
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; branches to the label _c_int00 which handles initialization for the C code. |
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; |
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#define ALIGNMENT 5 |
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.macro IRQVEC name, handler |
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.align ALIGNMENT |
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.hidden \name |
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.global \name |
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\name: |
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#ifdef CONFIG_C6X_BIG_KERNEL |
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STW .D2T1 A0,*B15--[2] |
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|| MVKL .S1 \handler,A0 |
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MVKH .S1 \handler,A0 |
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B .S2X A0 |
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LDW .D2T1 *++B15[2],A0 |
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NOP 4 |
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NOP |
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NOP |
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.endm |
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#else /* CONFIG_C6X_BIG_KERNEL */ |
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B .S2 \handler |
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NOP |
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NOP |
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NOP |
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NOP |
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NOP |
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NOP |
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NOP |
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.endm |
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#endif /* CONFIG_C6X_BIG_KERNEL */ |
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.sect ".vectors","ax" |
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.align ALIGNMENT |
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.global RESET |
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.hidden RESET |
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RESET: |
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#ifdef CONFIG_C6X_BIG_KERNEL |
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MVKL .S1 _c_int00,A0 ; branch to _c_int00 |
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MVKH .S1 _c_int00,A0 |
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B .S2X A0 |
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#else |
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B .S2 _c_int00 |
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NOP |
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NOP |
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#endif |
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NOP |
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NOP |
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NOP |
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NOP |
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NOP |
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IRQVEC NMI,_nmi_handler ; NMI interrupt |
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IRQVEC AINT,_bad_interrupt ; reserved |
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IRQVEC MSGINT,_bad_interrupt ; reserved |
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IRQVEC INT4,_int4_handler |
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IRQVEC INT5,_int5_handler |
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IRQVEC INT6,_int6_handler |
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IRQVEC INT7,_int7_handler |
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IRQVEC INT8,_int8_handler |
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IRQVEC INT9,_int9_handler |
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IRQVEC INT10,_int10_handler |
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IRQVEC INT11,_int11_handler |
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IRQVEC INT12,_int12_handler |
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IRQVEC INT13,_int13_handler |
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IRQVEC INT14,_int14_handler |
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IRQVEC INT15,_int15_handler
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