diff options
| author | Michael Ellerman <michael@ellerman.id.au> | 2006-01-11 11:54:08 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-01-11 14:48:13 +1100 |
| commit | bf6a7112bda99aadd6675526423a96be6b356a3d (patch) | |
| tree | e3a0e144ac933e7f35d6fa5f95bc0e0fb0ba6309 /arch/powerpc/platforms | |
| parent | f481f1edee77b3d623457685add1c6b507c25d6f (diff) | |
| download | op-kernel-dev-bf6a7112bda99aadd6675526423a96be6b356a3d.zip op-kernel-dev-bf6a7112bda99aadd6675526423a96be6b356a3d.tar.gz | |
[PATCH] powerpc: Early debugging support for iSeries
Connect iSeries up to the standard early debugging infrastructure.
To actually use this you need to enable the iSeries early debugging
in setup_64.c. Then after the messages are logged hit Ctrl-x Ctrl-x on
your console to dump the Hypervisor console buffer.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/iseries/setup.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index ad5ef805..25cdebd 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -52,6 +52,7 @@ #include <asm/iseries/mf.h> #include <asm/iseries/hv_lp_event.h> #include <asm/iseries/lpar_map.h> +#include <asm/udbg.h> #include "naca.h" #include "setup.h" @@ -62,10 +63,8 @@ #include "call_sm.h" #include "call_hpt.h" -extern void hvlog(char *fmt, ...); - #ifdef DEBUG -#define DBG(fmt...) hvlog(fmt) +#define DBG(fmt...) udbg_printf(fmt) #else #define DBG(fmt...) #endif @@ -984,3 +983,16 @@ static int __init early_parsemem(char *p) return 0; } early_param("mem", early_parsemem); + +static void hvputc(char c) +{ + if (c == '\n') + hvputc('\r'); + + HvCall_writeLogBuffer(&c, 1); +} + +void __init udbg_init_iseries(void) +{ + udbg_putc = hvputc; +} |
