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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/sh/include/asm/romimage-macros.h
Initial import
Diffstat (limited to 'arch/sh/include/asm/romimage-macros.h')
-rw-r--r--arch/sh/include/asm/romimage-macros.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/sh/include/asm/romimage-macros.h b/arch/sh/include/asm/romimage-macros.h
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index 000000000..ae17a150b
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+++ b/arch/sh/include/asm/romimage-macros.h
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+#ifndef __ROMIMAGE_MACRO_H
+#define __ROMIMAGE_MACRO_H
+
+/* The LIST command is used to include comments in the script */
+.macro LIST comment
+.endm
+
+/* The ED command is used to write a 32-bit word */
+.macro ED, addr, data
+ mov.l 1f, r1
+ mov.l 2f, r0
+ mov.l r0, @r1
+ bra 3f
+ nop
+ .align 2
+1 : .long \addr
+2 : .long \data
+3 :
+.endm
+
+/* The EW command is used to write a 16-bit word */
+.macro EW, addr, data
+ mov.l 1f, r1
+ mov.l 2f, r0
+ mov.w r0, @r1
+ bra 3f
+ nop
+ .align 2
+1 : .long \addr
+2 : .long \data
+3 :
+.endm
+
+/* The EB command is used to write an 8-bit word */
+.macro EB, addr, data
+ mov.l 1f, r1
+ mov.l 2f, r0
+ mov.b r0, @r1
+ bra 3f
+ nop
+ .align 2
+1 : .long \addr
+2 : .long \data
+3 :
+.endm
+
+/* The WAIT command is used to delay the execution */
+.macro WAIT, time
+ mov.l 2f, r3
+1 :
+ nop
+ tst r3, r3
+ bf/s 1b
+ dt r3
+ bra 3f
+ nop
+ .align 2
+2 : .long \time * 100
+3 :
+.endm
+
+/* The DD command is used to read a 32-bit word */
+.macro DD, addr, addr2, nr
+ mov.l 1f, r1
+ mov.l @r1, r0
+ bra 2f
+ nop
+ .align 2
+1 : .long \addr
+2 :
+.endm
+
+#endif /* __ROMIMAGE_MACRO_H */