Welcome to mirror list, hosted at ThFree Co, Russian Federation.

cygwin.com/git/newlib-cygwin.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'libgloss/xstormy16/crt0.s')
-rw-r--r--libgloss/xstormy16/crt0.s94
1 files changed, 0 insertions, 94 deletions
diff --git a/libgloss/xstormy16/crt0.s b/libgloss/xstormy16/crt0.s
deleted file mode 100644
index 28f8c8a8d..000000000
--- a/libgloss/xstormy16/crt0.s
+++ /dev/null
@@ -1,94 +0,0 @@
-# XSTORMY16 startup code
-
-# Interrupt vectors at 0x8000.
- .section .int_vec,"ax"
- .global _start
- .align 1
-_start:
- ;; Reset, watchdog timer interrupt
- jmpf _int_reset
- ;; base timer interrupt
- jmpf _int_basetimer
- ;; timer 0
- jmpf _int_timer0
- ;; timer 1
- jmpf _int_timer1
- ;; SIO0 interrupt
- jmpf _int_sio0
- ;; SIO1 interrupt
- jmpf _int_sio1
- ;; port0 interrupt
- jmpf _int_port0
- ;; port1 interrupt
- jmpf _int_port1
-
- .text
-# Reset code, set up memory and call main.
-_int_reset:
- ;; Set up the stack pointer.
- mov r0,#__stack
- bz r0,#0,0f
- mov sp,r0
-0:
- ;; Zero the data space
- mov r0,#_edata
- mov r1,#_end
- mov r2,#0
-0: mov.w (r0++),r2
- blt r0,r1,0b
- ;; Call hardware init routine
- callf _hwinit
- ;; Call initialization routines
- callf _init
- ;; Set up fini routines to be called from exit
- mov r2,#@fptr(_fini)
- callf atexit
- ;; Call main() with empty argc/argv/envp
- mov r2,#0
- mov r3,#0
- mov r4,#0
- callf main
- ;; Exit.
- callf exit
- ;; Should never reach this code.
- halt
-1: .size _int_reset,1b-_int_reset
-
-# Stub interrupt routines.
- .globl _int_timer0
- .weak _int_timer0
- .globl _int_timer1
- .weak _int_timer1
- .globl _int_sio0
- .weak _int_sio0
- .globl _int_sio1
- .weak _int_sio1
- .globl _int_port0
- .weak _int_port0
- .globl _int_port1
- .weak _int_port1
- .globl _int_basetimer
- .weak _int_basetimer
-_int_timer0:
-_int_timer1:
-_int_sio0:
-_int_sio1:
-_int_port0:
-_int_port1:
-_int_basetimer:
- iret
-1: .size _int_timer0,1b-_int_timer0
-
-# Stub hardware init
- .globl _hwinit
- .weak _hwinit
-_hwinit:
- ret
-1: .size _int_hwinit,1b-_int_hwinit
-
-# The first word in .data has address 0, so it's not a good
-# idea to use it as its address conflicts with NULL.
-# Place a HALT instruction there to try to catch NULL pointer
-# dereferences.
- .data
- halt