116 lines
4.1 KiB
C
116 lines
4.1 KiB
C
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/*
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* -------------------------------------------------------------------------
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* Copyright (C) 2010 STMicroelectronics
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* Author: Francesco M. Virlinzi <francesco.virlinzi@st.com>
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*
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* May be copied or modified under the terms of the GNU General Public
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* License V.2 ONLY. See linux/COPYING for more information.
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*
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* ------------------------------------------------------------------------- */
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#ifndef __STM_POKE_TABLE_H__
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#define __STM_POKE_TABLE_H__
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/* Opcode values */
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#define OP_END_POKES 0
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#define OP_POKE8 1
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#define OP_POKE16 2
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#define OP_POKE32 3
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#define OP_OR8 4
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#define OP_OR16 5
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#define OP_OR32 6
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#define OP_UPDATE8 7
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#define OP_UPDATE16 8
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#define OP_UPDATE32 9
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#define OP_POKE_UPDATE32 10
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#define OP_WHILE_NE8 11
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#define OP_WHILE_NE16 12
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#define OP_WHILE_NE32 13
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#define OP_IF_EQ32 14
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#define OP_IF_GT32 15
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#define OP_ELSE 16
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#define OP_DELAY 17
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#define OP_IF_DEVID_GE 18
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#define OP_IF_DEVID_LE 19
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#ifdef __ASSEMBLER__
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/* Poke table commands */
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#define POKE8(A, VAL) .long OP_POKE8, A, VAL
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#define POKE16(A, VAL) .long OP_POKE16, A, VAL
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#define POKE32(A, VAL) .long OP_POKE32, A, VAL
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#define OR8(A, VAL) .long OP_OR8, A, VAL
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#define OR16(A, VAL) .long OP_OR16, A, VAL
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#define OR32(A, VAL) .long OP_OR32, A, VAL
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#define UPDATE8(A, AND, OR) .long OP_UPDATE8, A, AND, OR
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#define UPDATE16(A, AND, OR) .long OP_UPDATE16, A, AND, OR
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#define UPDATE32(A, AND, OR) .long OP_UPDATE32, A, AND, OR
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#define POKE_UPDATE32(A1, A2, AND, SHIFT, OR) .long OP_POKE_UPDATE32,\
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A1, A2, AND, SHIFT, OR
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#define WHILE_NE8(A, AND, VAL) \
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.long OP_WHILE_NE8, A, AND, VAL; .if (VAL > 0xFF); \
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ASM_ERROR("Value VAL in WHILE_NE8 should fit in 8 bits"); .endif
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#define WHILE_NE16(A, AND, VAL) .long OP_WHILE_NE16,\
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A, AND, VAL; .if (VAL > 0xFFFF);\
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ASM_ERROR("Value VAL in WHILE_NE16 should fit in 16 bits");\
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.endif
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#define WHILE_NE32(A, AND, VAL) .long OP_WHILE_NE32,\
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A, AND, VAL
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#define IF_EQ32(NESTLEVEL, A, AND, VAL) \
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.long OP_IF_EQ32, A, AND, VAL, (NESTLEVEL ## f - .)
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#define IF_GT32(NESTLEVEL, A, AND, VAL) \
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.long OP_IF_GT32, A, AND, VAL, (NESTLEVEL ## f - .)
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/* An explicit ELSE will skip the OP_ELSE embedded in the ENDIF
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* to make things faster
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*/
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#define ELSE(NESTLEVEL) \
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.long OP_ELSE; NESTLEVEL: ; .long (NESTLEVEL ## f - .)
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/* ENDIF includes an OP_ELSE so that we end up at the correct position
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* regardless of whether there is an explcit ELSE in the IF construct
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*/
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#define ENDIF(NESTLEVEL) \
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.long OP_ELSE; NESTLEVEL: ; .long 0
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#define DELAY(ITERATIONS) \
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.long OP_DELAY, ITERATIONS
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/* The 2nd argument to the poke loop code (in R5 for ST40, or $r0.17 for ST200)
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* must be the device ID to compare against for these operations to work - the
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* poke loop code does not try to retrieve the device ID itself.
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*/
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#define IF_DEVID_GE(NESTLEVEL, VAL) \
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.long OP_IF_DEVID_GE, VAL, (NESTLEVEL ## f - .)
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#define IF_DEVID_LE(NESTLEVEL, VAL) \
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.long OP_IF_DEVID_LE, VAL, (NESTLEVEL ## f - .)
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/* The end marker needs two extra entries which get read by the code, but are
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never used.
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*/
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#define END_MARKER \
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.long OP_END_POKES
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#else
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/* Poke table commands */
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#define POKE8(A, VAL) OP_POKE8, A, VAL
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#define POKE16(A, VAL) OP_POKE16, A, VAL
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#define POKE32(A, VAL) OP_POKE32, A, VAL
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#define OR8(A, VAL) OP_OR8, A, VAL
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#define OR16(A, VAL) OP_OR16, A, VAL
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#define OR32(A, VAL) OP_OR32, A, VAL
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#define UPDATE8(A, AND, OR) OP_UPDATE8, A, AND, OR
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#define UPDATE16(A, AND, OR) OP_UPDATE16, A, AND, OR
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#define UPDATE32(A, AND, OR) OP_UPDATE32, A, AND, OR
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#define POKE_UPDATE32(A1, A2, AND, SHIFT, OR) \
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OP_POKE_UPDATE32, A1, A2, AND, SHIFT, OR
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#define WHILE_NE8(A, AND, VAL) OP_WHILE_NE8, A, AND, VAL
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#define WHILE_NE16(A, AND, VAL) OP_WHILE_NE16, A, AND, VAL
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#define WHILE_NE32(A, AND, VAL) OP_WHILE_NE32, A, AND, VAL
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#define IF_EQ32(NESTLEVEL, A, AND, VAL)
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#define IF_GT32(NESTLEVEL, A, AND, VAL)
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#define ELSE(NESTLEVEL)
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#define ENDIF(NESTLEVEL)
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#define DELAY(ITERATIONS) OP_DELAY, ITERATIONS
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#define IF_DEVID_GE(NESTLEVEL, VAL)
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#define IF_DEVID_LE(NESTLEVEL, VAL)
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#define END_MARKER OP_END_POKES
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#endif
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#endif
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