RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

2007-11-30 Till Straumann <strauman@slac.stanford.edu>

Browse Source 
* startup/linkcmds.c, start/start.S: call __eabi() from start.S
	and make sure linkcmds defines _SDA_BASE_ + _SDA2_BASE_ so that
	sysv + eabi are properly supported.
This commit is contained in:
Till Straumann
2007-11-30 19:45:40 +00:00
parent a9c7159574
commit 431bcd7513
3 changed files with 9 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
c/src/lib/libbsp/powerpc/psim/ChangeLog
View File

@@ -1,3 +1,9 @@
2007-11-30 Till Straumann <strauman@slac.stanford.edu>
* startup/linkcmds.c, start/start.S: call __eabi() from start.S
and make sure linkcmds defines _SDA_BASE_ + _SDA2_BASE_ so that
sysv + eabi are properly supported.
2007-11-30 Joel Sherrill <joel.sherrill@OARcorp.com> 2007-11-30 Joel Sherrill <joel.sherrill@OARcorp.com>
* startup/bspstart.c: BSP_DIRTY_MEMORY should be tested for zero not * startup/bspstart.c: BSP_DIRTY_MEMORY should be tested for zero not

1
c/src/lib/libbsp/powerpc/psim/start/start.S
View File

@@ -103,6 +103,7 @@ _start:
lis r0,0 lis r0,0
stw r0,0(sp) /* clear back chain */ stw r0,0(sp) /* clear back chain */
stwu sp,-56(sp) /* push another stack frame */ stwu sp,-56(sp) /* push another stack frame */
bl FUNC_NAME(__eabi)
lis r5,environ@ha lis r5,environ@ha
la r5,environ@l(r5) /* environp */ la r5,environ@l(r5) /* environp */

4
c/src/lib/libbsp/powerpc/psim/startup/linkcmds
View File

@@ -119,7 +119,7 @@ SECTIONS
PROVIDE (__FRAME_END__ = .); PROVIDE (__FRAME_END__ = .);
PROVIDE (_etext = .); PROVIDE (_etext = .);
PROVIDE (etext = .); PROVIDE (etext = .);
PROVIDE (__SDATA2_START__ = .); _SDA2_BASE_ = __SDATA2_START__ + 0x8000;
.sdata2 : { *(.sdata2) *(.gnu.linkonce.s2.*) } >RAM .sdata2 : { *(.sdata2) *(.gnu.linkonce.s2.*) } >RAM
.sbss2 : { *(.sbss2) *(.gnu.linkonce.sb2.*) } >RAM .sbss2 : { *(.sbss2) *(.gnu.linkonce.sb2.*) } >RAM
PROVIDE (__SBSS2_END__ = .); PROVIDE (__SBSS2_END__ = .);
@@ -187,7 +187,7 @@ SECTIONS
/* We want the small data sections together, so single-instruction offsets /* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */ we can shorten the on-disk segment size. */
PROVIDE (__SDATA_START__ = .); _SDA_BASE_ = __SDATA_START__ + 0x8000;
.sdata : { *(.sdata*) *(.gnu.linkonce.s.*) } >RAM .sdata : { *(.sdata*) *(.gnu.linkonce.s.*) } >RAM
_edata = .; _edata = .;
PROVIDE (edata = .); PROVIDE (edata = .);