# define LOG_TB(...) do { } while (0)
#endif
-#define NSEC_PER_SEC 1000000000LL
-
static void cpu_ppc_tb_stop (CPUPPCState *env);
static void cpu_ppc_tb_start (CPUPPCState *env);
static void timebase_pre_save(void *opaque)
{
PPCTimebase *tb = opaque;
- uint64_t ticks = cpu_get_real_ticks();
+ uint64_t ticks = cpu_get_host_ticks();
PowerPCCPU *first_ppc_cpu = POWERPC_CPU(first_cpu);
if (!first_ppc_cpu->env.tb_env) {
*/
host_ns = qemu_clock_get_ns(QEMU_CLOCK_HOST);
ns_diff = MAX(0, host_ns - tb_remote->time_of_the_day_ns);
- migration_duration_ns = MIN(NSEC_PER_SEC, ns_diff);
- migration_duration_tb = muldiv64(migration_duration_ns, freq, NSEC_PER_SEC);
+ migration_duration_ns = MIN(NANOSECONDS_PER_SECOND, ns_diff);
+ migration_duration_tb = muldiv64(migration_duration_ns, freq,
+ NANOSECONDS_PER_SECOND);
guest_tb = tb_remote->guest_timebase + MIN(0, migration_duration_tb);
- tb_off_adj = guest_tb - cpu_get_real_ticks();
+ tb_off_adj = guest_tb - cpu_get_host_ticks();
tb_off = first_ppc_cpu->env.tb_env->tb_offset;
trace_ppc_tb_adjust(tb_off, tb_off_adj, tb_off_adj - tb_off,
}
}
-/*****************************************************************************/
-/* NVRAM helpers */
-static inline uint32_t nvram_read (nvram_t *nvram, uint32_t addr)
-{
- return (*nvram->read_fn)(nvram->opaque, addr);
-}
-
-static inline void nvram_write (nvram_t *nvram, uint32_t addr, uint32_t val)
-{
- (*nvram->write_fn)(nvram->opaque, addr, val);
-}
-
-static void NVRAM_set_byte(nvram_t *nvram, uint32_t addr, uint8_t value)
-{
- nvram_write(nvram, addr, value);
-}
-
-static uint8_t NVRAM_get_byte(nvram_t *nvram, uint32_t addr)
-{
- return nvram_read(nvram, addr);
-}
-
-static void NVRAM_set_word(nvram_t *nvram, uint32_t addr, uint16_t value)
-{
- nvram_write(nvram, addr, value >> 8);
- nvram_write(nvram, addr + 1, value & 0xFF);
-}
-
-static uint16_t NVRAM_get_word(nvram_t *nvram, uint32_t addr)
-{
- uint16_t tmp;
-
- tmp = nvram_read(nvram, addr) << 8;
- tmp |= nvram_read(nvram, addr + 1);
-
- return tmp;
-}
-
-static void NVRAM_set_lword(nvram_t *nvram, uint32_t addr, uint32_t value)
-{
- nvram_write(nvram, addr, value >> 24);
- nvram_write(nvram, addr + 1, (value >> 16) & 0xFF);
- nvram_write(nvram, addr + 2, (value >> 8) & 0xFF);
- nvram_write(nvram, addr + 3, value & 0xFF);
-}
-
-uint32_t NVRAM_get_lword (nvram_t *nvram, uint32_t addr)
-{
- uint32_t tmp;
-
- tmp = nvram_read(nvram, addr) << 24;
- tmp |= nvram_read(nvram, addr + 1) << 16;
- tmp |= nvram_read(nvram, addr + 2) << 8;
- tmp |= nvram_read(nvram, addr + 3);
-
- return tmp;
-}
-
-static void NVRAM_set_string(nvram_t *nvram, uint32_t addr, const char *str,
- uint32_t max)
-{
- int i;
-
- for (i = 0; i < max && str[i] != '\0'; i++) {
- nvram_write(nvram, addr + i, str[i]);
- }
- nvram_write(nvram, addr + i, str[i]);
- nvram_write(nvram, addr + max - 1, '\0');
-}
-
-int NVRAM_get_string (nvram_t *nvram, uint8_t *dst, uint16_t addr, int max)
-{
- int i;
-
- memset(dst, 0, max);
- for (i = 0; i < max; i++) {
- dst[i] = NVRAM_get_byte(nvram, addr + i);
- if (dst[i] == '\0')
- break;
- }
-
- return i;
-}
-
-static uint16_t NVRAM_crc_update (uint16_t prev, uint16_t value)
-{
- uint16_t tmp;
- uint16_t pd, pd1, pd2;
-
- tmp = prev >> 8;
- pd = prev ^ value;
- pd1 = pd & 0x000F;
- pd2 = ((pd >> 4) & 0x000F) ^ pd1;
- tmp ^= (pd1 << 3) | (pd1 << 8);
- tmp ^= pd2 | (pd2 << 7) | (pd2 << 12);
-
- return tmp;
-}
-
-static uint16_t NVRAM_compute_crc (nvram_t *nvram, uint32_t start, uint32_t count)
-{
- uint32_t i;
- uint16_t crc = 0xFFFF;
- int odd;
-
- odd = count & 1;
- count &= ~1;
- for (i = 0; i != count; i++) {
- crc = NVRAM_crc_update(crc, NVRAM_get_word(nvram, start + i));
- }
- if (odd) {
- crc = NVRAM_crc_update(crc, NVRAM_get_byte(nvram, start + i) << 8);
- }
-
- return crc;
-}
-
-#define CMDLINE_ADDR 0x017ff000
-
-int PPC_NVRAM_set_params (nvram_t *nvram, uint16_t NVRAM_size,
- const char *arch,
- uint32_t RAM_size, int boot_device,
- uint32_t kernel_image, uint32_t kernel_size,
- const char *cmdline,
- uint32_t initrd_image, uint32_t initrd_size,
- uint32_t NVRAM_image,
- int width, int height, int depth)
-{
- uint16_t crc;
-
- /* Set parameters for Open Hack'Ware BIOS */
- NVRAM_set_string(nvram, 0x00, "QEMU_BIOS", 16);
- NVRAM_set_lword(nvram, 0x10, 0x00000002); /* structure v2 */
- NVRAM_set_word(nvram, 0x14, NVRAM_size);
- NVRAM_set_string(nvram, 0x20, arch, 16);
- NVRAM_set_lword(nvram, 0x30, RAM_size);
- NVRAM_set_byte(nvram, 0x34, boot_device);
- NVRAM_set_lword(nvram, 0x38, kernel_image);
- NVRAM_set_lword(nvram, 0x3C, kernel_size);
- if (cmdline) {
- /* XXX: put the cmdline in NVRAM too ? */
- pstrcpy_targphys("cmdline", CMDLINE_ADDR, RAM_size - CMDLINE_ADDR, cmdline);
- NVRAM_set_lword(nvram, 0x40, CMDLINE_ADDR);
- NVRAM_set_lword(nvram, 0x44, strlen(cmdline));
- } else {
- NVRAM_set_lword(nvram, 0x40, 0);
- NVRAM_set_lword(nvram, 0x44, 0);
- }
- NVRAM_set_lword(nvram, 0x48, initrd_image);
- NVRAM_set_lword(nvram, 0x4C, initrd_size);
- NVRAM_set_lword(nvram, 0x50, NVRAM_image);
-
- NVRAM_set_word(nvram, 0x54, width);
- NVRAM_set_word(nvram, 0x56, height);
- NVRAM_set_word(nvram, 0x58, depth);
- crc = NVRAM_compute_crc(nvram, 0x00, 0xF8);
- NVRAM_set_word(nvram, 0xFC, crc);
-
- return 0;
-}
-
/* CPU device-tree ID helpers */
int ppc_get_vcpu_dt_id(PowerPCCPU *cpu)
{
projects / qemu.git / blobdiff