#define CHECKSUM_REGION_FIRST_BYTE 0x10
#define CHECKSUM_REGION_LAST_BYTE 0x2d
+// Following fields are used by SEABIOS
+#define NVRAM_REG_HIGHMEM_LOW 0x5b
+#define NVRAM_REG_HIGHMEM_MID 0x5c
+#define NVRAM_REG_HIGHMEM_HIGH 0x5d
+#define NVRAM_REG_SMPCPUS 0x5f
struct nvram_internal {
nvram_state_t dev_state;
uint8_t nextday = 0;
uint32_t periodic_period;
- PrintDebug("nvram: update_time by %llu microseocnds\n",period_us);
+ PrintDebug(VM_NONE, VCORE_NONE, "nvram: update_time by %llu microseocnds\n",period_us);
// We will set these flags on exit
statc->irq = 0;
carry = add_to(sec, &carry, bcd);
if (carry) {
- PrintError("nvram: somehow managed to get a carry in second update\n");
+ PrintError(VM_NONE, VCORE_NONE, "nvram: somehow managed to get a carry in second update\n");
}
if ( (bcd && (*sec == 0x60)) ||
carry = 1;
carry = add_to(min, &carry, bcd);
if (carry) {
- PrintError("nvram: somehow managed to get a carry in minute update\n");
+ PrintError(VM_NONE, VCORE_NONE, "nvram: somehow managed to get a carry in minute update\n");
}
if ( (bcd && (*min == 0x60)) ||
carry = 1;
carry = add_to(&hour24, &carry, bcd);
if (carry) {
- PrintError("nvram: somehow managed to get a carry in hour update\n");
+ PrintError(VM_NONE, VCORE_NONE, "nvram: somehow managed to get a carry in hour update\n");
}
if ( (bcd && (hour24 == 0x24)) ||
if (statb->ai) {
if ((*sec == *seca) && (*min == *mina) && (*hour == *houra)) {
statc->af = 1;
- PrintDebug("nvram: interrupt on alarm\n");
+ PrintDebug(VM_NONE, VCORE_NONE, "nvram: interrupt on alarm\n");
}
}
}
if (data->pus >= periodic_period) {
statc->pf = 1;
data->pus -= periodic_period;
- PrintDebug("nvram: interrupt on periodic\n");
+ PrintDebug(VM_NONE, VCORE_NONE, "nvram: interrupt on periodic\n");
}
}
if (statb->ui) {
statc->uf = 1;
- PrintDebug("nvram: interrupt on update\n");
+ PrintDebug(VM_NONE, VCORE_NONE, "nvram: interrupt on update\n");
}
statc->irq = (statc->pf || statc->af || statc->uf);
- PrintDebug("nvram: time is now: YMDHMS: 0x%x:0x%x:0x%x:0x%x:0x%x,0x%x bcd=%d\n", *year, *month, *monthday, *hour, *min, *sec,bcd);
+ PrintDebug(VM_NONE, VCORE_NONE, "nvram: time is now: YMDHMS: 0x%x:0x%x:0x%x:0x%x:0x%x,0x%x bcd=%d\n", *year, *month, *monthday, *hour, *min, *sec,bcd);
// Interrupt associated VM, if needed
if (statc->irq) {
- PrintDebug("nvram: injecting interrupt\n");
+ PrintDebug(VM_NONE, VCORE_NONE, "nvram: injecting interrupt\n");
v3_raise_irq(data->vm, NVRAM_RTC_IRQ);
}
}
// 1. Conventional Mem: 0-640k in K
// 2. Extended Mem: 0-16MB in K
// 3. Big Mem: 0-4G in 64K
- uint16_t memk;
- uint16_t mem_chunks;
+ // 4. High Mem: 4G-... in 64K
// at most 640K of conventional memory
- if (bytes > 640 * 1024) {
- memk=640;
- } else {
- memk = bytes/1024;
+ {
+ uint16_t memk = 0;
+
+ if (bytes > (640 * 1024)) {
+ memk = 640;
+ } else {
+ memk = bytes / 1024;
+ }
+
+ set_memory(nvram, NVRAM_REG_BASE_MEMORY_HIGH, (memk >> 8) & 0x00ff);
+ set_memory(nvram, NVRAM_REG_BASE_MEMORY_LOW, memk & 0x00ff);
}
- set_memory(nvram, NVRAM_REG_BASE_MEMORY_HIGH, (memk >> 8) & 0x00ff);
- set_memory(nvram, NVRAM_REG_BASE_MEMORY_LOW, memk & 0x00ff);
-
// set extended memory - first 1 MB is lost to 640K chunk
- // extended memory is min(0MB, bytes-1MB)
- if (bytes < 1024*1024) {
- // no extended memory
- memk = 0;
- } else {
- memk = (bytes - 1024 * 1024 ) / 1024;
+ // extended memory is min(0MB, bytes - 1MB)
+ {
+ uint16_t memk = 0;
+
+ if (bytes >= (1024 * 1024)) {
+ memk = (bytes - (1024 * 1024)) / 1024;
+ }
+
+ set_memory(nvram, NVRAM_REG_EXT_MEMORY_HIGH, (memk >> 8) & 0x00ff);
+ set_memory(nvram, NVRAM_REG_EXT_MEMORY_LOW, memk & 0x00ff);
+ set_memory(nvram, NVRAM_REG_EXT_MEMORY_2ND_HIGH, (memk >> 8) & 0x00ff);
+ set_memory(nvram, NVRAM_REG_EXT_MEMORY_2ND_LOW, memk & 0x00ff);
}
- set_memory(nvram, NVRAM_REG_EXT_MEMORY_HIGH, (memk >> 8) & 0x00ff);
- set_memory(nvram, NVRAM_REG_EXT_MEMORY_LOW, memk & 0x00ff);
- set_memory(nvram, NVRAM_REG_EXT_MEMORY_2ND_HIGH, (memk >> 8) & 0x00ff);
- set_memory(nvram, NVRAM_REG_EXT_MEMORY_2ND_LOW, memk & 0x00ff);
-
// Set the extended memory beyond 16 MB in 64k chunks
- // this is min(0, bytes-16MB)
- if (bytes<(1024*1024*16)) {
- mem_chunks=0;
- } else {
- mem_chunks = (bytes - (1024 * 1024 * 16)) / (1024 * 64);
+ // this is min(0, bytes - 16MB)
+ {
+ uint16_t mem_chunks = 0;
+
+ if (bytes >= (1024 * 1024 * 16)) {
+ mem_chunks = (bytes - (1024 * 1024 * 16)) / (1024 * 64);
+ }
+
+ set_memory(nvram, NVRAM_REG_AMI_BIG_MEMORY_HIGH, (mem_chunks >> 8) & 0x00ff);
+ set_memory(nvram, NVRAM_REG_AMI_BIG_MEMORY_LOW, mem_chunks & 0x00ff);
}
- set_memory(nvram, NVRAM_REG_AMI_BIG_MEMORY_HIGH, (mem_chunks >> 8) & 0x00ff);
- set_memory(nvram, NVRAM_REG_AMI_BIG_MEMORY_LOW, mem_chunks & 0x00ff);
+ // Set high (>4GB) memory size
+ {
+
+ uint32_t high_mem_chunks = 0;
+
+ if (bytes >= (1024LL * 1024LL * 1024LL * 4LL)) {
+ high_mem_chunks = (bytes - (1024LL * 1024LL * 1024LL * 4LL)) / (1024 * 64);
+ }
+
+ set_memory(nvram, NVRAM_REG_HIGHMEM_LOW, high_mem_chunks & 0xff);
+ set_memory(nvram, NVRAM_REG_HIGHMEM_MID, (high_mem_chunks >> 8) & 0xff);
+ set_memory(nvram, NVRAM_REG_HIGHMEM_HIGH, (high_mem_chunks >> 16) & 0xff);
+ }
return;
}
set_memory_size(nvram, vm->mem_size);
init_harddrives(nvram);
+
+ set_memory(nvram, NVRAM_REG_SMPCPUS, vm->num_cores - 1);
/* compute checksum (must follow all assignments here) */
checksum = compute_checksum(nvram);
static int nvram_write_reg_port(struct guest_info * core, uint16_t port,
void * src, uint_t length, void * priv_data) {
-
+ uint8_t reg;
struct nvram_internal * data = priv_data;
+
+ memcpy(®,src,1);
+
+ data->thereg = reg & 0x7f; //discard NMI bit if it's there
- memcpy(&(data->thereg), src, 1);
- PrintDebug("nvram: Writing To NVRAM reg: 0x%x\n", data->thereg);
+ PrintDebug(core->vm_info, core, "nvram: Writing To NVRAM reg: 0x%x (NMI_disable=%d)\n", data->thereg,reg>>7);
return 1;
}
addr_t irq_state = v3_lock_irqsave(data->nvram_lock);
if (get_memory(data, data->thereg, (uint8_t *)dst) == -1) {
- PrintError("nvram: Register %d (0x%x) Not set - POSSIBLE BUG IN MACHINE INIT - CONTINUING\n", data->thereg, data->thereg);
+ PrintError(core->vm_info, core, "nvram: Register %d (0x%x) Not set - POSSIBLE BUG IN MACHINE INIT - CONTINUING\n", data->thereg, data->thereg);
}
- PrintDebug("nvram: nvram_read_data_port(0x%x) = 0x%x\n", data->thereg, *(uint8_t *)dst);
+ PrintDebug(core->vm_info, core, "nvram: nvram_read_data_port(0x%x) = 0x%x\n", data->thereg, *(uint8_t *)dst);
// hack
if (data->thereg == NVRAM_REG_STAT_A) {
v3_unlock_irqrestore(data->nvram_lock, irq_state);
- PrintDebug("nvram: nvram_write_data_port(0x%x) = 0x%x\n",
+ PrintDebug(core->vm_info, core, "nvram: nvram_write_data_port(0x%x) = 0x%x\n",
data->thereg, data->mem_state[data->thereg]);
return 1;
v3_remove_timer(info,nvram_state->timer);
}
+ v3_lock_deinit(&(nvram_state->nvram_lock));
+
V3_Free(nvram_state);
return 0;
}
int ret = 0;
if (!ide) {
- PrintError("nvram: Could not find IDE device\n");
+ PrintError(vm, VCORE_NONE, "nvram: Could not find IDE device\n");
return -1;
}
- PrintDebug("nvram: init_device\n");
+ PrintDebug(vm, VCORE_NONE, "nvram: init_device\n");
nvram_state = (struct nvram_internal *)V3_Malloc(sizeof(struct nvram_internal) + 1000);
- PrintDebug("nvram: internal at %p\n", (void *)nvram_state);
+ if (!nvram_state) {
+ PrintError(vm, VCORE_NONE, "Cannot allocate in init\n");
+ return -1;
+ }
+
+ PrintDebug(vm, VCORE_NONE, "nvram: internal at %p\n", (void *)nvram_state);
nvram_state->ide = ide;
nvram_state->vm = vm;
struct vm_device * dev = v3_add_device(vm, dev_id, &dev_ops, nvram_state);
if (dev == NULL) {
- PrintError("nvram: Could not attach device %s\n", dev_id);
+ PrintError(vm, VCORE_NONE, "nvram: Could not attach device %s\n", dev_id);
V3_Free(nvram_state);
return -1;
}
ret |= v3_dev_hook_io(dev, NVRAM_DATA_PORT, &nvram_read_data_port, &nvram_write_data_port);
if (ret != 0) {
- PrintError("nvram: Error hooking NVRAM IO ports\n");
+ PrintError(vm, VCORE_NONE, "nvram: Error hooking NVRAM IO ports\n");
v3_remove_device(dev);
return -1;
}
