summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/bfin/shared/start/start.S
diff options
context:
space:
mode:
Diffstat (limited to 'c/src/lib/libbsp/bfin/shared/start/start.S')
-rw-r--r--c/src/lib/libbsp/bfin/shared/start/start.S95
1 files changed, 0 insertions, 95 deletions
diff --git a/c/src/lib/libbsp/bfin/shared/start/start.S b/c/src/lib/libbsp/bfin/shared/start/start.S
deleted file mode 100644
index 3440f5ccc9..0000000000
--- a/c/src/lib/libbsp/bfin/shared/start/start.S
+++ /dev/null
@@ -1,95 +0,0 @@
-
-#include <rtems/bfin/bfin.h>
-
-#include <bsp.h>
-#include <bspopts.h>
-
-#ifndef LO
-#define LO(con32) ((con32) & 0xFFFF)
-#endif
-#ifndef HI
-#define HI(con32) (((con32) >> 16) & 0xFFFF)
-#endif
-
-#if (BFIN_ON_SKYEYE)
- .section .init
-#else
- .section .l1code
-#endif
- .align 4
-
- .global __start
-__start:
-
- /* Start by setting up a stack */
- sp.h = 0xFFB0;
- sp.l = 0x0F00;
-
- /* Maybe we should zero the memory in the .bss section. */
-
- /* This changes to the supervisor mode */
- p0.l = START;
- p0.h = START;
- p1.l = LO(EVT15);
- p1.h = HI(EVT15);
-
- [P1] = P0;
-
- P0.h = HI(IMASK);
- P0.l = LO(IMASK);
- R0 = [P0];
- /* R1.l = EVT_IVG15 & 0xFFFF; */
- R1.l = 0x8000;
-
- R0 = R0 | R1;
-
- [P0] = R0;
-
- RAISE 15;
-
- P0.l = WAIT;
- P0.h = WAIT;
-
- RETI = P0;
- RTI;
-
- /* endless loop to wait */
- WAIT:
- jump WAIT;
-
- START:
- [--SP] = RETI;
-
- p0.h = _bss_start;
- p0.l = _bss_start;
- p1.h = _end;
- p1.l = _end;
- r0 = p0;
- r1 = p1;
- r1 = r1 - r0;
- p1 = r1;
- r0 = 0;
-
- /* Set _bss_start until _end to zero */
- lsetup(loop1,loop2) LC0 = p1;
- loop1: b[p0] = r0;
- loop2: p0 +=1;
-
- /* call boot_card( 0, 0 ) */
- r0 = 0;
- r1 = 0;
- p0.l = _boot_card;
- p0.h = _boot_card;
-
- call (p0);
-
- HLT
- p0.l = _exit;
- p0.h = _exit;
- P3 = P4;
- jump (p0) /* Should not return. */
-
-.global _bfin_null_isr
-_bfin_null_isr:
- rti;
-