diff options
Diffstat (limited to 'libgloss/ms1/crt0.S')
| -rw-r--r-- | libgloss/ms1/crt0.S | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/libgloss/ms1/crt0.S b/libgloss/ms1/crt0.S deleted file mode 100644 index 276124f5c..000000000 --- a/libgloss/ms1/crt0.S +++ /dev/null @@ -1,63 +0,0 @@ -# Startup Code for the Morpho ms1 - -# Create a label for the start of the eh_frame section. - .section .eh_frame -__eh_frame_begin: - - .section .text - .global _start -_start: - - ;; Initialise the stack pointer - ldui sp, #%hi16(__stack) - addui sp, sp, #%lo16(__stack) - or fp, sp, sp - - ;; Zero the data space - ldui r9, #%hi16(_edata) - addui r9, r9, #%lo16(_edata) - ldui r10, #%hi16(_end) - addui r10, r10, #%lo16(_end) - addi r5, r0, #0 - -.L0: - stw r5, r9, #0 - addi r9, r9, #4 - or r0, r0, r0 ; nop - brle r9, r10, .L0 - or r0, r0, r0 ; nop - - ;; Call global and static constructors - ldui r10, #%hi16(_init) - addui r10, r10, #%lo16(_init) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - ;; Setup destructors to be called from exit. - ;; (Just in case main never returns....) - ldui r10, #%hi16(atexit) - addui r10, r10, #%lo16(atexit) - ldui r1, #%hi16(_fini) - addui r1, r1, #%lo16(_fini) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Initialise argc, argv and envp to empty - addi r1, r0, #0 - addi r2, r0, #0 - addi r3, r0, #0 - - ;; Call main - ldui r10, #%hi16(main) - addui r10, r10, #%lo16(main) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop - - ;; Jump to exit - ldui r10, #%hi16(exit) - addui r10, r10, #%lo16(exit) - or r0, r0, r0 ; nop - jal r14, r10 - or r0, r0, r0 ; nop |