AMD sb800 sb900: Fix corruption of a global ramstage variable

A late for loop may reference over the current array allocation
and corrupt an unrelated global variable. As a quick fix bumb the
size of the array allocation uniformly to 6.

Change-Id: Ib067fdf077e091d13e32cc3a8e4a0b713d19bcc2
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/3914
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Reviewed-by: Bruce Griffith <Bruce.Griffith@se-eng.com>

src/mainboard/advansus/a785e-i/get_bus_conf.c

@@ -36,7 +36,7 @@
 */
 int bus_isa;
 u8 bus_rs780[11];
-u8 bus_sb800[3];
+u8 bus_sb800[6];
 u32 apicid_sb800;
 
 /*
@@ -87,9 +87,7 @@ void get_bus_conf(void)
 	sbdn_rs780 = sysconf.sbdn;
 	sbdn_sb800 = 0;
 
-	for (i = 0; i < 3; i++) {
-		bus_sb800[i] = 0;
-	}
+	memset(bus_sb800, 0, sizeof(bus_sb800));
 	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
 		bus_rs780[i] = 0;
 	}

src/mainboard/advansus/a785e-i/irq_tables.c

@@ -45,7 +45,7 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 
 extern u8 bus_isa;
 extern u8 bus_rs780[8];
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
 unsigned long write_pirq_routing_table(unsigned long addr)

src/mainboard/advansus/a785e-i/mptable.c

@@ -28,7 +28,7 @@
 
 extern int bus_isa;
 extern u8 bus_rs780[11];
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern u32 apicid_sb800;
 extern u32 bus_type[256];
 extern u32 sbdn_rs780;

src/mainboard/amd/bimini_fam10/get_bus_conf.c

@@ -33,7 +33,7 @@
 */
 int bus_isa;
 u8 bus_rs780[11];
-u8 bus_sb800[3];
+u8 bus_sb800[6];
 u32 apicid_sb800;
 
 /*
@@ -84,9 +84,8 @@ void get_bus_conf(void)
 	sbdn_rs780 = sysconf.sbdn;
 	sbdn_sb800 = 0;
 
-	for (i = 0; i < 3; i++) {
-		bus_sb800[i] = 0;
-	}
+	memset(bus_sb800, 0, sizeof(bus_sb800));
+
 	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
 		bus_rs780[i] = 0;
 	}

src/mainboard/amd/bimini_fam10/irq_tables.c

@@ -45,7 +45,7 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 
 extern u8 bus_isa;
 extern u8 bus_rs780[8];
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
 unsigned long write_pirq_routing_table(unsigned long addr)

src/mainboard/amd/bimini_fam10/mptable.c

@@ -28,7 +28,7 @@
 
 extern int bus_isa;
 extern u8 bus_rs780[11];
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern u32 apicid_sb800;
 extern u32 bus_type[256];
 extern u32 sbdn_rs780;

src/mainboard/amd/inagua/get_bus_conf.c

@@ -34,7 +34,7 @@
  * and acpi_tables busnum is default.
  */
 u8 bus_isa;
-u8 bus_sb800[3];
+u8 bus_sb800[6];
 u32 apicid_sb800;
 
 /*
@@ -87,9 +87,7 @@ void get_bus_conf(void)
 
 	sbdn_sb800 = 0;
 
-	for (i = 0; i < 3; i++) {
-		bus_sb800[i] = 0;
-	}
+	memset(bus_sb800, 0, sizeof(bus_sb800));
 
 	for (i = 0; i < 256; i++) {
 		bus_type[i] = 0; /* default ISA bus. */

src/mainboard/amd/inagua/irq_tables.c

@@ -45,7 +45,7 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 extern u8 bus_isa;
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
 unsigned long write_pirq_routing_table(unsigned long addr)

src/mainboard/amd/inagua/mptable.c

@@ -27,7 +27,7 @@
 #include <cpu/amd/amdfam14.h>
 #include <SBPLATFORM.h>
 
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 
 extern u32 apicid_sb800;
 

src/mainboard/amd/persimmon/get_bus_conf.c

@@ -34,7 +34,7 @@
 * and acpi_tables busnum is default.
 */
 u8 bus_isa;
-u8 bus_sb800[3];
+u8 bus_sb800[6];
 u32 apicid_sb800;
 
 /*
@@ -99,9 +99,7 @@ void get_bus_conf(void)
 #endif
 	sbdn_sb800 = 0;
 
-	for (i = 0; i < 3; i++) {
-		bus_sb800[i] = 0;
-	}
+	memset(bus_sb800, 0, sizeof(bus_sb800));
 
 	for (i = 0; i < 256; i++) {
 		bus_type[i] = 0; /* default ISA bus. */

src/mainboard/amd/persimmon/irq_tables.c

@@ -45,7 +45,7 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 extern u8 bus_isa;
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
 unsigned long write_pirq_routing_table(unsigned long addr)

src/mainboard/amd/persimmon/mptable.c

@@ -27,7 +27,7 @@
 #include <cpu/amd/amdfam14.h>
 #include <SBPLATFORM.h>
 
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 
 extern u32 apicid_sb800;
 

src/mainboard/amd/south_station/get_bus_conf.c

@@ -34,7 +34,7 @@
 * and acpi_tables busnum is default.
 */
 u8 bus_isa;
-u8 bus_sb800[3];
+u8 bus_sb800[6];
 u32 apicid_sb800;
 
 /*
@@ -87,9 +87,7 @@ void get_bus_conf(void)
 
   sbdn_sb800 = 0;
 
-  for (i = 0; i < 3; i++) {
-    bus_sb800[i] = 0;
-  }
+  memset(bus_sb800, 0, sizeof(bus_sb800));
 
   for (i = 0; i < 256; i++) {
     bus_type[i] = 0; /* default ISA bus. */

src/mainboard/amd/south_station/irq_tables.c

@@ -45,7 +45,7 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 extern u8 bus_isa;
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
 unsigned long write_pirq_routing_table(unsigned long addr)

src/mainboard/amd/south_station/mptable.c

@@ -27,7 +27,7 @@
 #include <cpu/amd/amdfam14.h>
 #include <SBPLATFORM.h>
 
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 
 extern u32 apicid_sb800;
 

src/mainboard/amd/torpedo/get_bus_conf.c

@@ -31,7 +31,7 @@
 * and acpi_tables busnum is default.
 */
 u8 bus_isa;
-u8 bus_sb900[3];
+u8 bus_sb900[6];
 
 /*
 * Here you only need to set value in pci1234 for HT-IO that could be installed or not
@@ -94,9 +94,7 @@ void get_bus_conf(void)
 
 	sbdn_sb900 = 0;
 
-	for (i = 0; i < 3; i++) {
-		bus_sb900[i] = 0;
-	}
+	memset(bus_sb900, 0, sizeof(bus_sb900));
 
 	for (i = 0; i < 256; i++) {
 		bus_type[i] = 0;	/* default ISA bus. */

src/mainboard/amd/torpedo/irq_tables.c

@@ -46,7 +46,7 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 extern u8 bus_isa;
-extern u8 bus_sb900[2];
+extern u8 bus_sb900[6];
 extern unsigned long sbdn_sb900;
 
 unsigned long write_pirq_routing_table(unsigned long addr)

src/mainboard/amd/torpedo/mptable.c

@@ -31,7 +31,7 @@
 
 //-#define IO_APIC_ID    CONFIG_MAX_PHYSICAL_CPUS + 1
 #define IO_APIC_ID    CONFIG_MAX_CPUS
-extern u8 bus_sb900[2];
+extern u8 bus_sb900[6];
 
 
 extern u32 bus_type[256];

src/mainboard/amd/union_station/get_bus_conf.c

@@ -34,7 +34,7 @@
 * and acpi_tables busnum is default.
 */
 u8 bus_isa;
-u8 bus_sb800[3];
+u8 bus_sb800[6];
 u32 apicid_sb800;
 
 /*
@@ -87,9 +87,7 @@ void get_bus_conf(void)
 
   sbdn_sb800 = 0;
 
-  for (i = 0; i < 3; i++) {
-    bus_sb800[i] = 0;
-  }
+  memset(bus_sb800, 0, sizeof(bus_sb800));
 
   for (i = 0; i < 256; i++) {
     bus_type[i] = 0; /* default ISA bus. */

src/mainboard/amd/union_station/irq_tables.c

@@ -45,7 +45,7 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 extern u8 bus_isa;
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
 unsigned long write_pirq_routing_table(unsigned long addr)

src/mainboard/amd/union_station/mptable.c

@@ -27,7 +27,7 @@
 #include <cpu/amd/amdfam14.h>
 #include <SBPLATFORM.h>
 
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 
 extern u32 apicid_sb800;
 

src/mainboard/asrock/e350m1/get_bus_conf.c

@@ -34,7 +34,7 @@
 * and acpi_tables busnum is default.
 */
 u8 bus_isa;
-u8 bus_sb800[3];
+u8 bus_sb800[6];
 u32 apicid_sb800;
 
 /*
@@ -87,9 +87,7 @@ void get_bus_conf(void)
 
   sbdn_sb800 = 0;
 
-  for (i = 0; i < 3; i++) {
-    bus_sb800[i] = 0;
-  }
+  memset(bus_sb800, 0, sizeof(bus_sb800));
 
   for (i = 0; i < 256; i++) {
     bus_type[i] = 0; /* default ISA bus. */

src/mainboard/asrock/e350m1/irq_tables.c

@@ -45,7 +45,7 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 extern u8 bus_isa;
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
 unsigned long write_pirq_routing_table(unsigned long addr)

src/mainboard/asrock/e350m1/mptable.c

@@ -27,7 +27,7 @@
 #include <cpu/amd/amdfam14.h>
 #include <SBPLATFORM.h>
 
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 
 extern u32 apicid_sb800;
 

src/mainboard/asus/m5a88-v/get_bus_conf.c

@@ -36,7 +36,7 @@
 */
 int bus_isa;
 u8 bus_rs780[11];
-u8 bus_sb800[3];
+u8 bus_sb800[6];
 u32 apicid_sb800;
 
 /*
@@ -87,9 +87,8 @@ void get_bus_conf(void)
 	sbdn_rs780 = sysconf.sbdn;
 	sbdn_sb800 = 0;
 
-	for (i = 0; i < 3; i++) {
-		bus_sb800[i] = 0;
-	}
+	memset(bus_sb800, 0, sizeof(bus_sb800));
+
 	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
 		bus_rs780[i] = 0;
 	}

src/mainboard/asus/m5a88-v/irq_tables.c

@@ -45,7 +45,7 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 
 extern u8 bus_isa;
 extern u8 bus_rs780[8];
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
 unsigned long write_pirq_routing_table(unsigned long addr)

src/mainboard/asus/m5a88-v/mptable.c

@@ -28,7 +28,7 @@
 
 extern int bus_isa;
 extern u8 bus_rs780[11];
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern u32 apicid_sb800;
 extern u32 bus_type[256];
 extern u32 sbdn_rs780;

src/mainboard/avalue/eax-785e/get_bus_conf.c

@@ -36,7 +36,7 @@
 */
 int bus_isa;
 u8 bus_rs780[11];
-u8 bus_sb800[3];
+u8 bus_sb800[6];
 u32 apicid_sb800;
 
 /*
@@ -87,9 +87,8 @@ void get_bus_conf(void)
 	sbdn_rs780 = sysconf.sbdn;
 	sbdn_sb800 = 0;
 
-	for (i = 0; i < 3; i++) {
-		bus_sb800[i] = 0;
-	}
+	memset(bus_sb800, 0, sizeof(bus_sb800));
+
 	for (i = 0; i < ARRAY_SIZE(bus_rs780); i++) {
 		bus_rs780[i] = 0;
 	}

src/mainboard/avalue/eax-785e/irq_tables.c

@@ -45,7 +45,7 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 
 extern u8 bus_isa;
 extern u8 bus_rs780[8];
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
 unsigned long write_pirq_routing_table(unsigned long addr)

src/mainboard/avalue/eax-785e/mptable.c

@@ -28,7 +28,7 @@
 
 extern int bus_isa;
 extern u8 bus_rs780[11];
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern u32 apicid_sb800;
 extern u32 bus_type[256];
 extern u32 sbdn_rs780;

src/mainboard/lippert/frontrunner-af/get_bus_conf.c

@@ -34,7 +34,7 @@
 * and acpi_tables busnum is default.
 */
 u8 bus_isa;
-u8 bus_sb800[3];
+u8 bus_sb800[6];
 u32 apicid_sb800;
 
 /*
@@ -99,9 +99,7 @@ void get_bus_conf(void)
 #endif
 	sbdn_sb800 = 0;
 
-	for (i = 0; i < 3; i++) {
-		bus_sb800[i] = 0;
-	}
+	memset(bus_sb800, 0, sizeof(bus_sb800));
 
 	for (i = 0; i < 256; i++) {
 		bus_type[i] = 0; /* default ISA bus. */

src/mainboard/lippert/frontrunner-af/irq_tables.c

@@ -45,7 +45,7 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 extern u8 bus_isa;
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
 unsigned long write_pirq_routing_table(unsigned long addr)

src/mainboard/lippert/frontrunner-af/mptable.c

@@ -27,7 +27,7 @@
 #include <cpu/amd/amdfam14.h>
 #include <SBPLATFORM.h>
 
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 
 extern u32 apicid_sb800;
 

src/mainboard/lippert/toucan-af/get_bus_conf.c

@@ -34,7 +34,7 @@
 * and acpi_tables busnum is default.
 */
 u8 bus_isa;
-u8 bus_sb800[3];
+u8 bus_sb800[6];
 u32 apicid_sb800;
 
 /*
@@ -99,9 +99,7 @@ void get_bus_conf(void)
 #endif
 	sbdn_sb800 = 0;
 
-	for (i = 0; i < 3; i++) {
-		bus_sb800[i] = 0;
-	}
+	memset(bus_sb800, 0, sizeof(bus_sb800));
 
 	for (i = 0; i < 256; i++) {
 		bus_type[i] = 0; /* default ISA bus. */

src/mainboard/lippert/toucan-af/irq_tables.c

@@ -45,7 +45,7 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn,
 	pirq_info->rfu = rfu;
 }
 extern u8 bus_isa;
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 extern unsigned long sbdn_sb800;
 
 unsigned long write_pirq_routing_table(unsigned long addr)

src/mainboard/lippert/toucan-af/mptable.c

@@ -27,7 +27,7 @@
 #include <cpu/amd/amdfam14.h>
 #include <SBPLATFORM.h>
 
-extern u8 bus_sb800[2];
+extern u8 bus_sb800[6];
 
 extern u32 apicid_sb800;