Hardware/litex
1
0
Fork 0
mirror of https://github.com/enjoy-digital/litex.git synced 2025-01-04 09:52:26 -05:00
Code Issues Projects Releases Packages Wiki Activity

libbase/crt0-picorv32: Add support for .data sections.

Browse source
This commit is contained in:
William D. Jones 2018-11-21 00:13:13 -05:00
parent 80bdae0e55
commit 89c702187a
1 changed files with 14 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
litex/soc/software/libbase/crt0-picorv32.S
View file

@ -194,6 +194,20 @@ _crt0:
la t1, _irq_mask
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 */
la t0, _fbss
la t1, _ebss