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-rw-r--r--src/arch/i386/include/div64.h48
-rw-r--r--src/arch/i386/smp/mpspec.c2
-rw-r--r--src/console/vtxprintf.c35
-rw-r--r--src/cpu/x86/lapic/lapic_cpu_init.c2
-rw-r--r--src/northbridge/amd/amdk8/northbridge.c19
5 files changed, 80 insertions, 26 deletions
diff --git a/src/arch/i386/include/div64.h b/src/arch/i386/include/div64.h
new file mode 100644
index 0000000000..28ed8b296a
--- /dev/null
+++ b/src/arch/i386/include/div64.h
@@ -0,0 +1,48 @@
+#ifndef __I386_DIV64
+#define __I386_DIV64
+
+/*
+ * do_div() is NOT a C function. It wants to return
+ * two values (the quotient and the remainder), but
+ * since that doesn't work very well in C, what it
+ * does is:
+ *
+ * - modifies the 64-bit dividend _in_place_
+ * - returns the 32-bit remainder
+ *
+ * This ends up being the most efficient "calling
+ * convention" on x86.
+ */
+#define do_div(n,base) ({ \
+ unsigned long __upper, __low, __high, __mod, __base; \
+ __base = (base); \
+ asm("":"=a" (__low), "=d" (__high):"A" (n)); \
+ __upper = __high; \
+ if (__high) { \
+ __upper = __high % (__base); \
+ __high = __high / (__base); \
+ } \
+ asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (__base), "0" (__low), "1" (__upper)); \
+ asm("":"=A" (n):"a" (__low),"d" (__high)); \
+ __mod; \
+})
+
+/*
+ * (long)X = ((long long)divs) / (long)div
+ * (long)rem = ((long long)divs) % (long)div
+ *
+ * Warning, this will do an exception if X overflows.
+ */
+#define div_long_long_rem(a,b,c) div_ll_X_l_rem(a,b,c)
+
+extern inline long
+div_ll_X_l_rem(long long divs, long div, long *rem)
+{
+ long dum2;
+ __asm__("divl %2":"=a"(dum2), "=d"(*rem)
+ : "rm"(div), "A"(divs));
+
+ return dum2;
+
+}
+#endif
diff --git a/src/arch/i386/smp/mpspec.c b/src/arch/i386/smp/mpspec.c
index c674cf58f5..daeb78435d 100644
--- a/src/arch/i386/smp/mpspec.c
+++ b/src/arch/i386/smp/mpspec.c
@@ -121,7 +121,7 @@ void smp_write_processors(struct mp_config_table *mc)
}
cpu_flag = MPC_CPU_ENABLED;
if (boot_apic_id == cpu->path.u.apic.apic_id) {
- cpu_flag = MPC_CPU_ENABLED;
+ cpu_flag = MPC_CPU_ENABLED | MPC_CPU_BOOTPROCESSOR;
}
smp_write_processor(mc,
cpu->path.u.apic.apic_id, apic_version,
diff --git a/src/console/vtxprintf.c b/src/console/vtxprintf.c
index 0f12672a50..26a5d24351 100644
--- a/src/console/vtxprintf.c
+++ b/src/console/vtxprintf.c
@@ -6,6 +6,7 @@
#include <stdarg.h>
#include <string.h>
+#include <div64.h>
/* haha, don't need ctype.c */
#define isdigit(c) ((c) >= '0' && (c) <= '9')
@@ -62,14 +63,8 @@ static int skip_atoi(const char **s)
#define SPECIAL 32 /* 0x */
#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */
-#define do_div(n,base) ({ \
-int __res; \
-__res = ((unsigned long) n) % (unsigned) base; \
-n = ((unsigned long) n) / (unsigned) base; \
-__res; })
-
-static int number(void (*tx_byte)(unsigned char byte), long num, int base, int size, int precision
- ,int type)
+static int number(void (*tx_byte)(unsigned char byte),
+ unsigned long long num, int base, int size, int precision, int type)
{
char c,sign,tmp[66];
const char *digits="0123456789abcdefghijklmnopqrstuvwxyz";
@@ -85,7 +80,7 @@ static int number(void (*tx_byte)(unsigned char byte), long num, int base, int s
c = (type & ZEROPAD) ? '0' : ' ';
sign = 0;
if (type & SIGN) {
- if (num < 0) {
+ if ((signed long long)num < 0) {
sign = '-';
num = -num;
size--;
@@ -140,7 +135,7 @@ static int number(void (*tx_byte)(unsigned char byte), long num, int base, int s
int vtxprintf(void (*tx_byte)(unsigned char byte), const char *fmt, va_list args)
{
int len;
- unsigned long num;
+ unsigned long long num;
int i, base;
const char *s;
@@ -205,6 +200,10 @@ int vtxprintf(void (*tx_byte)(unsigned char byte), const char *fmt, va_list args
if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L') {
qualifier = *fmt;
++fmt;
+ if (*fmt == 'l') {
+ qualifier = 'L';
+ ++fmt;
+ }
}
/* default base */
@@ -248,7 +247,10 @@ int vtxprintf(void (*tx_byte)(unsigned char byte), const char *fmt, va_list args
case 'n':
- if (qualifier == 'l') {
+ if (qualifier == 'L') {
+ long long *ip = va_arg(args, long long *);
+ *ip = count;
+ } else if (qualifier == 'l') {
long * ip = va_arg(args, long *);
*ip = count;
} else {
@@ -286,16 +288,19 @@ int vtxprintf(void (*tx_byte)(unsigned char byte), const char *fmt, va_list args
--fmt;
continue;
}
- if (qualifier == 'l')
+ if (qualifier == 'L') {
+ num = va_arg(args, unsigned long long);
+ } else if (qualifier == 'l') {
num = va_arg(args, unsigned long);
- else if (qualifier == 'h') {
+ } else if (qualifier == 'h') {
num = (unsigned short) va_arg(args, int);
if (flags & SIGN)
num = (short) num;
- } else if (flags & SIGN)
+ } else if (flags & SIGN) {
num = va_arg(args, int);
- else
+ } else {
num = va_arg(args, unsigned int);
+ }
count += number(tx_byte, num, base, field_width, precision, flags);
}
return count;
diff --git a/src/cpu/x86/lapic/lapic_cpu_init.c b/src/cpu/x86/lapic/lapic_cpu_init.c
index db0cecbd06..b96c7b3586 100644
--- a/src/cpu/x86/lapic/lapic_cpu_init.c
+++ b/src/cpu/x86/lapic/lapic_cpu_init.c
@@ -261,7 +261,7 @@ static void initialize_other_cpus(struct bus *cpu_bus)
active_count = atomic_read(&active_cpus);
while(active_count > 1) {
if (active_count != old_active_count) {
- printk_info("Waiting for %d CPUS to stop\n", active_count);
+ printk_info("Waiting for %d CPUS to stop\n", active_count - 1);
old_active_count = active_count;
}
udelay(10);
diff --git a/src/northbridge/amd/amdk8/northbridge.c b/src/northbridge/amd/amdk8/northbridge.c
index cb2f9fa0a7..ca5dcd82a3 100644
--- a/src/northbridge/amd/amdk8/northbridge.c
+++ b/src/northbridge/amd/amdk8/northbridge.c
@@ -598,7 +598,7 @@ static void pci_domain_set_resources(device_t dev)
mem1->base = resource_max(mem1);
}
-#if 1
+#if 0
printk_debug("base1: 0x%08Lx limit1: 0x%08lx size: 0x%08Lx\n",
mem1->base, mem1->limit, mem1->size);
printk_debug("base2: 0x%08Lx limit2: 0x%08Lx size: 0x%08Lx\n",
@@ -702,7 +702,7 @@ static struct device_operations pci_domain_ops = {
.scan_bus = pci_domain_scan_bus,
};
-static unsigned int scan_cpu_bus(device_t dev, unsigned int max)
+static unsigned int cpu_bus_scan(device_t dev, unsigned int max)
{
struct bus *cpu_bus;
unsigned reg;
@@ -750,18 +750,19 @@ static unsigned int scan_cpu_bus(device_t dev, unsigned int max)
static void cpu_bus_init(device_t dev)
{
- printk_debug("cpu_bus_init\n");
-#if 0
initialize_cpus(&dev->link[0]);
-#endif
+}
+
+static void cpu_bus_noop(device_t dev)
+{
}
static struct device_operations cpu_bus_ops = {
- .read_resources = 0,
- .set_resources = 0,
- .enable_resources = 0,
+ .read_resources = cpu_bus_noop,
+ .set_resources = cpu_bus_noop,
+ .enable_resources = cpu_bus_noop,
.init = cpu_bus_init,
- .scan_bus = scan_cpu_bus,
+ .scan_bus = cpu_bus_scan,
};
static void enable_dev(struct device *dev)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 18:43:06 +0000