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Merge pull request #127 from cr1901/picorv32-data 

libbase/crt0-picorv32: Add support for .data sections.
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Tim Ansell 2018-11-20 21:15:50 -08:00 committed by GitHub
parent 80bdae0e55 89c702187a
commit ab799f7bd7
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1 changed files with 14 additions and 0 deletions
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litex/soc/software/libbase/crt0-picorv32.S
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@ -194,6 +194,20 @@ _crt0:
la t1, _irq_mask la t1, _irq_mask
sw t0, 0(t1) sw t0, 0(t1)
#ifdef EXECUTE_IN_PLACE
/* Load DATA */
la t0, _erodata
la t1, _fdata
la t2, _edata
3:
lw t3, 0(t0)
sw t3, 0(t1)
/* _edata is aligned to 16 bytes. Use word-xfers. */
addi t0, t0, 4
addi t1, t1, 4
bltu t1, t2, 3b
#endif
/* Clear BSS */ /* Clear BSS */
la t0, _fbss la t0, _fbss
la t1, _ebss la t1, _ebss