From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: linuxppc-dev@ozlabs.org
Subject: [PATCH 15/15] powerpc: Improve prom_printf()
Date: Tue, 5 Apr 2011 16:14:11 +1000 [thread overview]
Message-ID: <1301984051-18413-16-git-send-email-benh@kernel.crashing.org> (raw)
In-Reply-To: <1301984051-18413-1-git-send-email-benh@kernel.crashing.org>
Adds the ability to print decimal numbers and adds some more
format string variants
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
arch/powerpc/kernel/prom_init.c | 26 +++++++++++++++++++++++++-
1 files changed, 25 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 941ff4d..29c67e9 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -335,6 +335,7 @@ static void __init prom_printf(const char *format, ...)
const char *p, *q, *s;
va_list args;
unsigned long v;
+ long vs;
struct prom_t *_prom = &RELOC(prom);
va_start(args, format);
@@ -368,12 +369,35 @@ static void __init prom_printf(const char *format, ...)
v = va_arg(args, unsigned long);
prom_print_hex(v);
break;
+ case 'd':
+ ++q;
+ vs = va_arg(args, long);
+ if (vs < 0) {
+ prom_print("-");
+ vs = -vs;
+ }
+ prom_print_dec(vs);
+ break;
case 'l':
++q;
- if (*q == 'u') { /* '%lu' */
+ if (*q == 0)
+ break;
+ else if (*q == 'x') {
+ ++q;
+ v = va_arg(args, unsigned long);
+ prom_print_hex(v);
+ } else if (*q == 'u') { /* '%lu' */
++q;
v = va_arg(args, unsigned long);
prom_print_dec(v);
+ } else if (*q == 'd') { /* %ld */
+ ++q;
+ vs = va_arg(args, long);
+ if (vs < 0) {
+ prom_print(RELOC("-"));
+ vs = -vs;
+ }
+ prom_print_dec(vs);
}
break;
}
--
1.7.1
next prev parent reply other threads:[~2011-04-05 6:14 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-05 6:13 [PATCHES] Bits and pieces for Power7 support in HV mode Benjamin Herrenschmidt
2011-04-05 6:13 ` [PATCH 01/15] powerpc: Add more Power7 specific definitions Benjamin Herrenschmidt
2011-04-05 6:13 ` [PATCH 02/15] powerpc/rtas: Check RTAS presence when testing indicators Benjamin Herrenschmidt
2011-04-05 6:36 ` Michael Ellerman
2011-04-05 6:52 ` Benjamin Herrenschmidt
2011-04-05 6:13 ` [PATCH 03/15] powerpc/xics: Make sure we have a sensible default distribution server Benjamin Herrenschmidt
2011-04-05 6:14 ` [PATCH 04/15] powerpc: Define CPU feature for Architected 2.06 HV mode Benjamin Herrenschmidt
2011-04-05 6:30 ` Michael Neuling
2011-04-05 6:50 ` Benjamin Herrenschmidt
2011-04-07 4:23 ` [PATCH] powerpc: Use new CPU feature bit to select 2.06 tlbie Michael Neuling
2011-04-05 6:14 ` [PATCH 05/15] powerpc: In HV mode, use HSPRG0 for PACA Benjamin Herrenschmidt
2011-04-05 6:14 ` [PATCH 06/15] powerpc: Base support for exceptions using HSRR0/1 Benjamin Herrenschmidt
2011-04-05 6:14 ` [PATCH 07/15] powerpc: More work to support HV exceptions Benjamin Herrenschmidt
2011-04-05 6:14 ` [PATCH 08/15] powerpc: Always use SPRN_SPRG_HSCRATCH0 when running in HV mode Benjamin Herrenschmidt
2011-04-05 6:14 ` [PATCH 09/15] powerpc: Initialize LPCR:DPFD on power7 to a sane default Benjamin Herrenschmidt
2011-04-05 6:14 ` [PATCH 10/15] powerpc: Initialize TLB and LPID register on HV mode Power7 Benjamin Herrenschmidt
2011-04-05 6:14 ` [PATCH 11/15] powerpc: Call CPU ->restore callback earlier on secondary CPUs Benjamin Herrenschmidt
2011-04-05 6:14 ` [PATCH 12/15] powerpc: Properly handshake CPUs going out of boot spin loop Benjamin Herrenschmidt
2011-04-05 6:14 ` [PATCH 13/15] powerpc: Add NAP mode support on Power7 in HV mode Benjamin Herrenschmidt
2011-04-05 6:14 ` [PATCH 14/15] powerpc: Perform an isync to synchronize CPUs coming out of secondary_hold Benjamin Herrenschmidt
2011-04-05 6:14 ` Benjamin Herrenschmidt [this message]
2011-04-05 6:47 ` [PATCH 15/15] powerpc: Improve prom_printf() Segher Boessenkool
2011-04-05 6:53 ` Benjamin Herrenschmidt
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