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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2007-08-02 13:54:07 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2007-08-02 13:54:07 +0000 |
commit | dd3e53ecf3c2ff0e179c106454e133d327eeae91 (patch) | |
tree | ab2e3eb914e737d62232400d542e78f63185961c /c/src/lib/libbsp/powerpc/shared/showbats.c | |
parent | 2007-08-02 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
download | rtems-dd3e53ecf3c2ff0e179c106454e133d327eeae91.tar.bz2 |
2007-08-02 Joel Sherrill <joel.sherrill@oarcorp.com>
* shared/startup/bspstart.c: Split out ShowBATS() so it can be shared
by more BSPs.
* shared/showbats.c: New file.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/shared/showbats.c')
-rw-r--r-- | c/src/lib/libbsp/powerpc/shared/showbats.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/shared/showbats.c b/c/src/lib/libbsp/powerpc/shared/showbats.c new file mode 100644 index 0000000000..6c2aea1151 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/shared/showbats.c @@ -0,0 +1,51 @@ +/* + * Display the PowerPC BAT Registers + * + * COPYRIGHT (c) 1989-2007. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#include <string.h> + +#include <bsp.h> +#include <rtems/bspIo.h> +#include <libcpu/spr.h> + +void printBAT( int bat, uint32_t upper, uint32_t lower ) +{ + uint32_t lowest_addr; + uint32_t size; + + printk("BAT%d raw(upper=0x%08x, lower=0x%08x) ", bat, upper, lower ); + + lowest_addr = (upper & 0xFFFE0000); + size = (((upper & 0x00001FFC) >> 2) + 1) * (128 * 1024); + printk(" range(0x%08x, 0x%08x) %s%s %s%s%s%s %s\n", + lowest_addr, + lowest_addr + (size - 1), + (upper & 0x01) ? "P" : "p", + (upper & 0x02) ? "S" : "s", + (lower & 0x08) ? "G" : "g", + (lower & 0x10) ? "M" : "m", + (lower & 0x20) ? "I" : "i", + (lower & 0x40) ? "W" : "w", + (lower & 0x01) ? "Read Only" : + ((lower & 0x02) ? "Read/Write" : "No Access") + ); +} + +void ShowBATS(){ + uint32_t lower; + uint32_t upper; + + __MFSPR(536, upper); __MFSPR(537, lower); printBAT( 0, upper, lower ); + __MFSPR(538, upper); __MFSPR(539, lower); printBAT( 1, upper, lower ); + __MFSPR(540, upper); __MFSPR(541, lower); printBAT( 2, upper, lower ); + __MFSPR(542, upper); __MFSPR(543, lower); printBAT( 3, upper, lower ); +} |