[HVM] Add utilities needed for SMBIOS table generation to hvmloader.
Signed-off-by: Andrew D. Ball <aball@xxxxxxxxxx>
diff -r 71ea74b28d09 -r 92402d267e87 tools/firmware/hvmloader/util.c
--- a/tools/firmware/hvmloader/util.c Mon Aug 14 11:18:07 2006 -0400
+++ b/tools/firmware/hvmloader/util.c Mon Aug 14 11:26:45 2006 -0400
@@ -20,6 +20,7 @@
#include "../acpi/acpi2_0.h" /* for ACPI_PHYSICAL_ADDRESS */
#include "util.h"
+#include <stdint.h>
void outw(uint16_t addr, uint16_t val)
{
@@ -95,6 +96,75 @@ void puts(const char *s)
outb(0xE9, *s++);
}
+char *
+strcpy(char *dest, const char *src)
+{
+ char *p = dest;
+ while (*src)
+ *p++ = *src++;
+ *p = 0;
+ return dest;
+}
+
+char *
+strncpy(char *dest, const char *src, unsigned n)
+{
+ int i = 0;
+ char *p = dest;
+
+ /* write non-NUL characters from src into dest until we run
+ out of room in dest or encounter a NUL in src */
+ while (i < n && *src) {
+ *p++ = *src++;
+ ++i;
+ }
+
+ /* pad remaining bytes of dest with NUL bytes */
+ while (i < n) {
+ *p++ = 0;
+ ++i;
+ }
+
+ return dest;
+}
+
+unsigned
+strlen(const char *s)
+{
+ int i = 0;
+ while (*s++)
+ ++i;
+ return i;
+}
+
+void *
+memset(void *s, int c, unsigned n)
+{
+ uint8_t b = (uint8_t) c;
+ uint8_t *p = (uint8_t *)s;
+ int i;
+ for (i = 0; i < n; ++i)
+ *p++ = b;
+ return s;
+}
+
+int
+memcmp(const void *s1, const void *s2, unsigned n)
+{
+ unsigned i;
+ uint8_t *p1 = (uint8_t *) s1;
+ uint8_t *p2 = (uint8_t *) s2;
+
+ for (i = 0; i < n; ++i) {
+ if (p1[i] < p2[i])
+ return -1;
+ else if (p1[i] > p2[i])
+ return 1;
+ }
+
+ return 0;
+}
+
void
cpuid(uint32_t idx, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
{
diff -r 71ea74b28d09 -r 92402d267e87 tools/firmware/hvmloader/util.h
--- a/tools/firmware/hvmloader/util.h Mon Aug 14 11:18:07 2006 -0400
+++ b/tools/firmware/hvmloader/util.h Mon Aug 14 11:26:45 2006 -0400
@@ -11,10 +11,17 @@ uint8_t inb(uint16_t addr);
/* Do cpuid instruction, with operation 'idx' */
void
cpuid(uint32_t idx, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t
*edx);
+/* return number of vcpus */
+int get_vcpu_nr(void);
/* String and memory functions */
int strcmp(const char *cs, const char *ct);
+char *strcpy(char *dest, const char *src);
+char *strncpy(char *dest, const char *src, unsigned n);
+unsigned strlen(const char *s);
+int memcmp(const void *s1, const void *s2, unsigned n);
void *memcpy(void *dest, const void *src, unsigned n);
+void *memset(void *s, int c, unsigned n);
char *itoa(char *a, unsigned int i);
/* Debug output */
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