Changeset 2d7ae960 in rtems for cpukit/score

Timestamp:

06/11/12 18:37:29 (11 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.11, 5, master

Children:

7d4a859

Parents:

9da42fb

Message:

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

Location:

cpukit/score/cpu

Files:

• Makefile.am (modified) (1 diff)
• v850/Makefile.am (added)
• v850/cpu.c (added)
• v850/cpu_asm.S (added)
• v850/preinstall.am (added)
• v850/rtems/asm.h (added)
• v850/rtems/score/cpu.h (added)
• v850/rtems/score/cpu_asm.h (added)
• v850/rtems/score/types.h (added)
• v850/rtems/score/v850.h (added)

cpukit/score/cpu/Makefile.am

@@ -18 +18 @@
 DIST_SUBDIRS += sparc
 DIST_SUBDIRS += sparc64
+DIST_SUBDIRS += v850
 
 include $(top_srcdir)/automake/subdirs.am