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Altera_Forum
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20 years ago

Asm code and C imme

Hi, In my project, I define a imme in *.c file: #define SPI_0_BASE 0x00800980 In one of my asm routine, I wanna use this imme, how could I do? asm("movhi r15,%hi(SPI_0_BASE...
Altera_Forum's avatar
Altera_Forum
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20 years ago

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originally posted by hippo@Jan 6 2006, 08:37 PM

check gcc document for the inline asm's args format, there are input regs, and output regs.

search the linux-2.6.x/include/asm-nios2nommu/io.h for some example.

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