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Patch from Eric Norum <eric@cls.usask.ca> to modify the generic

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m68k start code to setup the "environ" variable properly.  With
this patch, his EPICS application that runs on the gen68360
also runs on the mvmv167.
This commit is contained in:
Joel Sherrill
2000-04-16 17:01:18 +00:00
parent e283b9098a
commit fe8e18a98d
1 changed files with 9 additions and 6 deletions
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15
c/src/lib/libbsp/m68k/shared/start.S
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@@ -91,8 +91,8 @@ loop: movel #0,a1@+ | to zero out uninitialized
lea SYM (hiintstack),a0 | a0 = high end of intr stack lea SYM (hiintstack),a0 | a0 = high end of intr stack
movec a0,isp | set interrupt stack movec a0,isp | set interrupt stack
#endif #endif
movel #0,a7@- | push environp pea env | push environp
movel #0,a7@- | push argv pea arg | push argv
movel #0,a7@- | push argc movel #0,a7@- | push argc
jsr SYM (boot_card) jsr SYM (boot_card)
@@ -115,6 +115,11 @@ END_CODE
BEGIN_DATA BEGIN_DATA
PUBLIC (environ)
.align 2
SYM (environ):
.long env
PUBLIC (start_frame) PUBLIC (start_frame)
SYM (start_frame): SYM (start_frame):
.space 4,0 .space 4,0
@@ -123,10 +128,8 @@ END_DATA
BEGIN_BSS BEGIN_BSS
PUBLIC (environ) env: .long 0
.align 2 arg: .long 0
SYM (environ):
.long 0
PUBLIC (initial_isp) PUBLIC (initial_isp)
SYM (initial_isp): SYM (initial_isp):