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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2009-05-28 20:55:46 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2009-05-28 20:55:46 +0000 |
| commit | a319ab0471ecf0fe13d6a008f3d40a03d9667287 (patch) | |
| tree | bf57b5c0661ebfa826ef8aaf4b48036a74d177a0 /c/src/lib/libbsp/bfin | |
| parent | 2009-05-28 Joel Sherrill <joel.sherrill@OARcorp.com> (diff) | |
| download | rtems-a319ab0471ecf0fe13d6a008f3d40a03d9667287.tar.bz2 | |
2009-05-25 Allan Hessenflow <allanh@kallisti.com>
* start/start.S: Correct call to boot_card to meet bfin abi by
clearing l0 - l3 and allocating some stack space.
Diffstat (limited to 'c/src/lib/libbsp/bfin')
| -rw-r--r-- | c/src/lib/libbsp/bfin/bf537Stamp/ChangeLog | 5 | ||||
| -rw-r--r-- | c/src/lib/libbsp/bfin/bf537Stamp/start/start.S | 17 |
2 files changed, 18 insertions, 4 deletions
diff --git a/c/src/lib/libbsp/bfin/bf537Stamp/ChangeLog b/c/src/lib/libbsp/bfin/bf537Stamp/ChangeLog index edf09ed075..3fb60fcab5 100644 --- a/c/src/lib/libbsp/bfin/bf537Stamp/ChangeLog +++ b/c/src/lib/libbsp/bfin/bf537Stamp/ChangeLog @@ -1,5 +1,10 @@ 2009-05-25 Allan Hessenflow <allanh@kallisti.com> + * start/start.S: Correct call to boot_card to meet bfin abi by + clearing l0 - l3 and allocating some stack space. + +2009-05-25 Allan Hessenflow <allanh@kallisti.com> + PR 1418/bsps * startup/bspstart.c, startup/linkcmds: Enable caches and therefore enable the mmu. diff --git a/c/src/lib/libbsp/bfin/bf537Stamp/start/start.S b/c/src/lib/libbsp/bfin/bf537Stamp/start/start.S index 09282b4b78..43c3398dbb 100644 --- a/c/src/lib/libbsp/bfin/bf537Stamp/start/start.S +++ b/c/src/lib/libbsp/bfin/bf537Stamp/start/start.S @@ -7,10 +7,6 @@ #include <libcpu/cecRegs.h> #include <libcpu/coreTimerRegs.h> -#warning Call to boot_card has changed and needs checking. -#warning The call is "void boot_card(const char* cmdline);" -#warning Please check and remove these warnings. - #ifndef LO #define LO(con32) ((con32) & 0xFFFF) #endif @@ -51,6 +47,12 @@ __start: p0.l = LO(SIC_IMASK); [p0] = r0; + /* clear any pending interrupts */ + p0.h = HI(CEC_ILAT); + p0.l = LO(CEC_ILAT); + r0 = 0xffff (z); + [p0] = r0; + /* this is so we can stay in supervisor mode and still be able to accept interrupts later. */ p0.h = start; @@ -96,9 +98,16 @@ start: loop1: b[p0] = r0; loop2: p0 +=1; + l0 = 0; + l1 = 0; + l2 = 0; + l3 = 0; + sp += -12; + /* r0 == const char *cmdline (currently null) */ p0.h = _boot_card; p0.l = _boot_card; call (p0); + sp += 12; p0.h = _exit; p0.l = _exit; |