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94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
#ifndef __HVMLOADER_UTIL_H__
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#define __HVMLOADER_UTIL_H__
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#include <stdarg.h>
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#include <stdint.h>
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#undef offsetof
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#define offsetof(t, m) ((unsigned long)&((t *)0)->m)
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#undef NULL
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#define NULL ((void*)0)
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extern void __assert_failed(char *assertion, char *file, int line)
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__attribute__((noreturn));
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#define ASSERT(p) \
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do { if (!(p)) __assert_failed(#p, __FILE__, __LINE__); } while (0)
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extern void __bug(char *file, int line) __attribute__((noreturn));
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#define BUG() __bug(__FILE__, __LINE__)
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#define BUG_ON(p) do { if (p) BUG(); } while (0)
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#define BUILD_BUG_ON(p) ((void)sizeof(char[1 - 2 * !!(p)]))
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/* I/O output */
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void outb(uint16_t addr, uint8_t val);
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void outw(uint16_t addr, uint16_t val);
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void outl(uint16_t addr, uint32_t val);
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/* I/O input */
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uint8_t inb(uint16_t addr);
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uint16_t inw(uint16_t addr);
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uint32_t inl(uint16_t addr);
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/* CMOS access */
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uint8_t cmos_inb(uint8_t idx);
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void cmos_outb(uint8_t idx, uint8_t val);
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/* APIC access */
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uint32_t ioapic_read(uint32_t reg);
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void ioapic_write(uint32_t reg, uint32_t val);
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uint32_t lapic_read(uint32_t reg);
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void lapic_write(uint32_t reg, uint32_t val);
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/* PCI access */
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uint32_t pci_read(uint32_t devfn, uint32_t reg, uint32_t len);
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#define pci_readb(devfn, reg) ((uint8_t) pci_read(devfn, reg, 1))
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#define pci_readw(devfn, reg) ((uint16_t)pci_read(devfn, reg, 2))
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#define pci_readl(devfn, reg) ((uint32_t)pci_read(devfn, reg, 4))
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void pci_write(uint32_t devfn, uint32_t reg, uint32_t len, uint32_t val);
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#define pci_writeb(devfn, reg, val) (pci_write(devfn, reg, 1, (uint8_t) val))
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#define pci_writew(devfn, reg, val) (pci_write(devfn, reg, 2, (uint16_t)val))
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#define pci_writel(devfn, reg, val) (pci_write(devfn, reg, 4, (uint32_t)val))
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/* Do cpuid instruction, with operation 'idx' */
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void cpuid(uint32_t idx, uint32_t *eax, uint32_t *ebx,
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uint32_t *ecx, uint32_t *edx);
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/* HVM-builder info. */
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int get_vcpu_nr(void);
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int get_acpi_enabled(void);
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int get_apic_mode(void);
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/* String and memory functions */
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int strcmp(const char *cs, const char *ct);
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int strncmp(const char *s1, const char *s2, uint32_t n);
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char *strcpy(char *dest, const char *src);
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char *strncpy(char *dest, const char *src, unsigned n);
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unsigned strlen(const char *s);
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int memcmp(const void *s1, const void *s2, unsigned n);
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void *memcpy(void *dest, const void *src, unsigned n);
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void *memmove(void *dest, const void *src, unsigned n);
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void *memset(void *s, int c, unsigned n);
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char *itoa(char *a, unsigned int i);
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/* convert a byte to two lowercase hex digits, with no terminating NUL
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character. digits[] must have at least two elements. */
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void byte_to_hex(char *digits, uint8_t byte);
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/* Convert an array of 16 unsigned bytes to a DCE/OSF formatted UUID
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string. Pre-condition: sizeof(dest) >= 37 */
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void uuid_to_string(char *dest, uint8_t *uuid);
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/* Debug output */
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int printf(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
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int vprintf(const char *fmt, va_list ap);
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/* Reserve a RAM region in the e820 table. */
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uint32_t e820_malloc(uint32_t size);
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/* Prepare the 32bit BIOS */
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void highbios_setup(void);
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#define isdigit(c) ((c) >= '0' && (c) <= '9')
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#endif /* __HVMLOADER_UTIL_H__ */
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