4.115
Last change
on this file since 7d4a859 was
2d7ae960,
checked in by Joel Sherrill <joel.sherrill@…>, on 06/11/12 at 18:37:29
|
v850 port: Initial addition with BSP for simulator in GDB
Port
+ v850 does not have appear to have any optimized bit scan instructions
+ v850 does have single instructions for wap u16 and u32
+ Code path optimization preferences set
+ Add BSP variants for each GCC CPU model flag and a README
- v850e1 variant does not work (fails during BSP initialization)
BSP for GDB v850 Simulator
+ linkcmds matches defaults in GDB simulator with RTEMS mods
+ crt1.c added from v850 newlib port for main()
+ BSP exits cleanly
+ printk and console I/O work
+ uses clock tick from IDLE task
+ Tests not requiring real clock ISR work
Documentation
+ CPU Supplment chapter for v850 added
|
-
Property mode set to
100644
|
File size:
216 bytes
|
Line | |
---|
1 | /* from libgloss/v850 */ |
---|
2 | .text |
---|
3 | .global ___trap0 |
---|
4 | ___trap0: |
---|
5 | trap 31 |
---|
6 | tst r10,r10 |
---|
7 | bz .L0 |
---|
8 | /* |
---|
9 | * Libgloss cares about the errno from this. We don't |
---|
10 | movhi hi(_errno),r0,r6 |
---|
11 | st.w r10,lo(_errno)[r6] |
---|
12 | */ |
---|
13 | .L0: |
---|
14 | jmp [r31] |
---|
Note: See
TracBrowser
for help on using the repository browser.