static void
pvscsi_init_rings(void *iobase, struct pvscsi_ring_dsc_s **ring_dsc)
{
struct PVSCSICmdDescSetupRings cmd = {0,};
struct pvscsi_ring_dsc_s *dsc = memalign_high(PAGE_SIZE, sizeof(*dsc));
if (!dsc) {
warn_noalloc();
return;
}
dsc->ring_state =
(struct PVSCSIRingsState *)memalign_high(PAGE_SIZE, PAGE_SIZE);
dsc->ring_reqs =
(struct PVSCSIRingReqDesc *)memalign_high(PAGE_SIZE, PAGE_SIZE);
dsc->ring_cmps =
(struct PVSCSIRingCmpDesc *)memalign_high(PAGE_SIZE, PAGE_SIZE);
if (!dsc->ring_state || !dsc->ring_reqs || !dsc->ring_cmps) {
warn_noalloc();
return;
}
memset(dsc->ring_state, 0, PAGE_SIZE);
memset(dsc->ring_reqs, 0, PAGE_SIZE);
memset(dsc->ring_cmps, 0, PAGE_SIZE);
cmd.reqRingNumPages = 1;
cmd.cmpRingNumPages = 1;
cmd.ringsStatePPN = virt_to_phys(dsc->ring_state) >> PAGE_SHIFT;
cmd.reqRingPPNs[0] = virt_to_phys(dsc->ring_reqs) >> PAGE_SHIFT;
cmd.cmpRingPPNs[0] = virt_to_phys(dsc->ring_cmps) >> PAGE_SHIFT;
pvscsi_write_cmd_desc(iobase, PVSCSI_CMD_SETUP_RINGS,
&cmd, sizeof(cmd));
*ring_dsc = dsc;
}
int
ehci_control(struct usb_pipe *p, int dir, const void *cmd, int cmdsize
, void *data, int datasize)
{
ASSERT32FLAT();
if (! CONFIG_USB_EHCI)
return -1;
dprintf(5, "ehci_control %p (dir=%d cmd=%d data=%d)\n"
, p, dir, cmdsize, datasize);
if (datasize > 4*4096 || cmdsize > 4*4096) {
// XXX - should support larger sizes.
warn_noalloc();
return -1;
}
struct ehci_pipe *pipe = container_of(p, struct ehci_pipe, pipe);
// Setup transfer descriptors
struct ehci_qtd *tds = memalign_tmphigh(EHCI_QTD_ALIGN, sizeof(*tds) * 3);
if (!tds) {
warn_noalloc();
return -1;
}
memset(tds, 0, sizeof(*tds) * 3);
struct ehci_qtd *td = tds;
td->qtd_next = (u32)&td[1];
td->alt_next = EHCI_PTR_TERM;
td->token = (ehci_explen(cmdsize) | QTD_STS_ACTIVE
| QTD_PID_SETUP | ehci_maxerr(3));
u16 maxpacket = pipe->pipe.maxpacket;
fillTDbuffer(td, maxpacket, cmd, cmdsize);
td++;
if (datasize) {
td->qtd_next = (u32)&td[1];
td->alt_next = EHCI_PTR_TERM;
td->token = (QTD_TOGGLE | ehci_explen(datasize) | QTD_STS_ACTIVE
| (dir ? QTD_PID_IN : QTD_PID_OUT) | ehci_maxerr(3));
fillTDbuffer(td, maxpacket, data, datasize);
td++;
}
td->qtd_next = EHCI_PTR_TERM;
td->alt_next = EHCI_PTR_TERM;
td->token = (QTD_TOGGLE | QTD_STS_ACTIVE
| (dir ? QTD_PID_OUT : QTD_PID_IN) | ehci_maxerr(3));
// Transfer data
barrier();
pipe->qh.qtd_next = (u32)tds;
int i, ret=0;
for (i=0; i<3; i++) {
struct ehci_qtd *td = &tds[i];
ret = ehci_wait_td(pipe, td, 500);
if (ret)
break;
}
free(tds);
return ret;
}
void
usb_enumerate(struct usbhub_s *hub)
{
u32 portcount = hub->portcount;
hub->threads = portcount;
hub->detectend = timer_calc(USB_TIME_SIGATT);
// Launch a thread for every port.
int i;
for (i=0; i<portcount; i++) {
struct usbdevice_s *usbdev = malloc_tmphigh(sizeof(*usbdev));
if (!usbdev) {
warn_noalloc();
continue;
}
memset(usbdev, 0, sizeof(*usbdev));
usbdev->hub = hub;
usbdev->port = i;
run_thread(usb_hub_port_setup, usbdev);
}
// Wait for threads to complete.
while (hub->threads)
yield();
}
static int
usb_msc_lun_setup(struct usb_pipe *inpipe, struct usb_pipe *outpipe,
struct usbdevice_s *usbdev, int lun)
{
// Allocate drive structure.
struct usbdrive_s *drive = malloc_fseg(sizeof(*drive));
if (!drive) {
warn_noalloc();
return -1;
}
memset(drive, 0, sizeof(*drive));
if (usb_32bit_pipe(inpipe))
drive->drive.type = DTYPE_USB_32;
else
drive->drive.type = DTYPE_USB;
drive->bulkin = inpipe;
drive->bulkout = outpipe;
drive->lun = lun;
int prio = bootprio_find_usb(usbdev, lun);
int ret = scsi_drive_setup(&drive->drive, "USB MSC", prio);
if (ret) {
dprintf(1, "Unable to configure USB MSC drive.\n");
free(drive);
return -1;
}
return 0;
}
void
copy_mptable(void *pos)
{
struct mptable_floating_s *p = pos;
if (p->signature != MPTABLE_SIGNATURE)
return;
if (!p->physaddr)
return;
if (checksum(pos, sizeof(*p)) != 0)
return;
u32 length = p->length * 16;
u16 mpclength = ((struct mptable_config_s *)p->physaddr)->length;
// Allocate final memory location. (In theory the config
// structure can go in high memory, but Linux kernels before
// v2.6.30 crash with that.)
struct mptable_floating_s *newpos = malloc_fseg(length + mpclength);
if (!newpos) {
warn_noalloc();
return;
}
dprintf(1, "Copying MPTABLE from %p/%x to %p\n", pos, p->physaddr, newpos);
memcpy(newpos, pos, length);
newpos->physaddr = (u32)newpos + length;
newpos->checksum -= checksum(newpos, sizeof(*newpos));
memcpy((void*)newpos + length, (void*)p->physaddr, mpclength);
}
struct usb_pipe *
ehci_alloc_bulk_pipe(struct usb_pipe *dummy)
{
// XXX - this func is same as alloc_control except for malloc_low
if (! CONFIG_USB_EHCI)
return NULL;
struct usb_ehci_s *cntl = container_of(
dummy->cntl, struct usb_ehci_s, usb);
dprintf(7, "ehci_alloc_bulk_pipe %p\n", &cntl->usb);
// Allocate a queue head.
struct ehci_pipe *pipe = memalign_low(EHCI_QH_ALIGN, sizeof(*pipe));
if (!pipe) {
warn_noalloc();
return NULL;
}
memset(pipe, 0, sizeof(*pipe));
memcpy(&pipe->pipe, dummy, sizeof(pipe->pipe));
pipe->qh.qtd_next = pipe->qh.alt_next = EHCI_PTR_TERM;
// Add queue head to controller list.
struct ehci_qh *async_qh = cntl->async_qh;
pipe->qh.next = async_qh->next;
barrier();
async_qh->next = (u32)&pipe->qh | EHCI_PTR_QH;
return &pipe->pipe;
}
static void
copy_acpi_rsdp(void *pos)
{
if (RsdpAddr)
return;
struct rsdp_descriptor *p = pos;
if (p->signature != RSDP_SIGNATURE)
return;
u32 length = 20;
if (checksum(pos, length) != 0)
return;
if (p->revision > 1) {
length = p->length;
if (checksum(pos, length) != 0)
return;
}
void *newpos = malloc_fseg(length);
if (!newpos) {
warn_noalloc();
return;
}
dprintf(1, "Copying ACPI RSDP from %p to %p\n", pos, newpos);
memcpy(newpos, pos, length);
RsdpAddr = newpos;
}
static int
pvscsi_add_lun(struct pci_device *pci, void *iobase,
struct pvscsi_ring_dsc_s *ring_dsc, u8 target, u8 lun)
{
struct pvscsi_lun_s *plun = malloc_fseg(sizeof(*plun));
if (!plun) {
warn_noalloc();
return -1;
}
memset(plun, 0, sizeof(*plun));
plun->drive.type = DTYPE_PVSCSI;
plun->drive.cntl_id = pci->bdf;
plun->target = target;
plun->lun = lun;
plun->iobase = iobase;
plun->ring_dsc = ring_dsc;
char *name = znprintf(MAXDESCSIZE, "pvscsi %pP %d:%d", pci, target, lun);
int prio = bootprio_find_scsi_device(pci, target, lun);
int ret = scsi_drive_setup(&plun->drive, name, prio);
free(name);
if (ret)
goto fail;
return 0;
fail:
free(plun);
return -1;
}
// Helper function to find, malloc_tmphigh, and copy a romfile. This
// function adds a trailing zero to the malloc'd copy.
void *
romfile_loadfile(const char *name, int *psize)
{
struct romfile_s *file = romfile_find(name);
if (!file)
return NULL;
int filesize = file->size;
if (!filesize)
return NULL;
char *data = malloc_tmphigh(filesize+1);
if (!data) {
warn_noalloc();
return NULL;
}
dprintf(5, "Copying romfile '%s' (len %d)\n", name, filesize);
int ret = file->copy(file, data, filesize);
if (ret < 0) {
free(data);
return NULL;
}
if (psize)
*psize = filesize;
data[filesize] = '\0';
return data;
}
static void
copy_mptable(void *pos)
{
struct mptable_floating_s *p = pos;
if (p->signature != MPTABLE_SIGNATURE)
return;
if (!p->physaddr)
return;
if (checksum(pos, sizeof(*p)) != 0)
return;
u16 mpflength = p->length * 16;
u16 mpclength = ((struct mptable_config_s *)p->physaddr)->length;
u16 mpelength = ((struct mptable_config_s *)p->physaddr)->exttable_length;
u16 totallength = mpflength + mpclength + mpelength;
struct mptable_floating_s *newpos = malloc_fseg(totallength);
if (!newpos) {
warn_noalloc();
return;
}
dprintf(1, "Copying MPTABLE from %p/%x to %p with length %x\n",
pos, p->physaddr, newpos, totallength);
memcpy(newpos, pos, mpflength);
dprintf(8, "Copied MPTable FPS from %p to %p with length %x\n",
pos, newpos, mpflength);
newpos->physaddr = (u32)newpos + mpflength;
newpos->checksum -= checksum(newpos, sizeof(*newpos));
memcpy((void*)newpos + mpflength, (void*)p->physaddr, mpclength);
dprintf(8, "Copied MPTable MPC from %p to %p with length %x\n",
(void*)newpos + mpflength, (void*)p->physaddr, mpclength);
if (mpelength) {
memcpy((void*)newpos + mpflength + mpclength, (void*)p->physaddr + mpclength, mpelength);
dprintf(8, "Copied MPTable MPE from %p to %p with length %x\n",
(void*)newpos + mpflength + mpelength, (void*)p->physaddr + mpclength, mpelength);
}
}
static struct usb_config_descriptor *
get_device_config(struct usb_pipe *pipe)
{
struct usb_config_descriptor cfg;
struct usb_ctrlrequest req;
req.bRequestType = USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE;
req.bRequest = USB_REQ_GET_DESCRIPTOR;
req.wValue = USB_DT_CONFIG<<8;
req.wIndex = 0;
req.wLength = sizeof(cfg);
int ret = usb_send_default_control(pipe, &req, &cfg);
if (ret)
return NULL;
void *config = malloc_tmphigh(cfg.wTotalLength);
if (!config) {
warn_noalloc();
return NULL;
}
req.wLength = cfg.wTotalLength;
ret = usb_send_default_control(pipe, &req, config);
if (ret) {
free(config);
return NULL;
}
//hexdump(config, cfg.wTotalLength);
return config;
}
int vp_find_vq(unsigned int ioaddr, int queue_index,
struct vring_virtqueue **p_vq)
{
u16 num;
ASSERT32FLAT();
struct vring_virtqueue *vq = *p_vq = memalign_low(PAGE_SIZE, sizeof(*vq));
if (!vq) {
warn_noalloc();
goto fail;
}
memset(vq, 0, sizeof(*vq));
/* select the queue */
outw(queue_index, ioaddr + VIRTIO_PCI_QUEUE_SEL);
/* check if the queue is available */
num = inw(ioaddr + VIRTIO_PCI_QUEUE_NUM);
if (!num) {
dprintf(1, "ERROR: queue size is 0\n");
goto fail;
}
if (num > MAX_QUEUE_NUM) {
dprintf(1, "ERROR: queue size %d > %d\n", num, MAX_QUEUE_NUM);
goto fail;
}
/* check if the queue is already active */
if (inl(ioaddr + VIRTIO_PCI_QUEUE_PFN)) {
dprintf(1, "ERROR: queue already active\n");
goto fail;
}
vq->queue_index = queue_index;
/* initialize the queue */
struct vring * vr = &vq->vring;
vring_init(vr, num, (unsigned char*)&vq->queue);
/* activate the queue
*
* NOTE: vr->desc is initialized by vring_init()
*/
outl((unsigned long)virt_to_phys(vr->desc) >> PAGE_SHIFT,
ioaddr + VIRTIO_PCI_QUEUE_PFN);
return num;
fail:
free(vq);
*p_vq = NULL;
return -1;
}
int create_bounce_buf(void)
{
if (bounce_buf_fl)
return 0;
u8 *buf = malloc_low(CDROM_SECTOR_SIZE);
if (!buf) {
warn_noalloc();
return -1;
}
bounce_buf_fl = buf;
return 0;
}
int
ehci_init(struct pci_device *pci, int busid, struct pci_device *comppci)
{
if (! CONFIG_USB_EHCI)
return -1;
u16 bdf = pci->bdf;
u32 baseaddr = pci_config_readl(bdf, PCI_BASE_ADDRESS_0);
struct ehci_caps *caps = (void*)(baseaddr & PCI_BASE_ADDRESS_MEM_MASK);
u32 hcc_params = readl(&caps->hccparams);
if (hcc_params & HCC_64BIT_ADDR) {
dprintf(1, "No support for 64bit EHCI\n");
return -1;
}
struct usb_ehci_s *cntl = malloc_tmphigh(sizeof(*cntl));
if (!cntl) {
warn_noalloc();
return -1;
}
memset(cntl, 0, sizeof(*cntl));
cntl->usb.busid = busid;
cntl->usb.pci = pci;
cntl->usb.type = USB_TYPE_EHCI;
cntl->caps = caps;
cntl->regs = (void*)caps + readb(&caps->caplength);
dprintf(1, "EHCI init on dev %02x:%02x.%x (regs=%p)\n"
, pci_bdf_to_bus(bdf), pci_bdf_to_dev(bdf)
, pci_bdf_to_fn(bdf), cntl->regs);
pci_config_maskw(bdf, PCI_COMMAND, 0, PCI_COMMAND_MASTER);
// XXX - check for and disable SMM control?
// Find companion controllers.
int count = 0;
for (;;) {
if (!comppci || comppci == pci)
break;
if (pci_classprog(comppci) == PCI_CLASS_SERIAL_USB_UHCI)
cntl->companion[count++] = comppci;
else if (pci_classprog(comppci) == PCI_CLASS_SERIAL_USB_OHCI)
cntl->companion[count++] = comppci;
comppci = comppci->next;
}
run_thread(configure_ehci, cntl);
return 0;
}
int romfile_loader_execute(const char *name)
{
struct romfile_loader_entry_s *entry;
int size, offset = 0, nfiles;
struct romfile_loader_files *files;
void *data = romfile_loadfile(name, &size);
if (!data)
return -1;
if (size % sizeof(*entry)) {
warn_internalerror();
goto err;
}
/* (over)estimate the number of files to load. */
nfiles = size / sizeof(*entry);
files = malloc_tmp(sizeof(*files) + nfiles * sizeof(files->files[0]));
if (!files) {
warn_noalloc();
goto err;
}
files->nfiles = 0;
for (offset = 0; offset < size; offset += sizeof(*entry)) {
entry = data + offset;
switch (le32_to_cpu(entry->command)) {
case ROMFILE_LOADER_COMMAND_ALLOCATE:
romfile_loader_allocate(entry, files);
break;
case ROMFILE_LOADER_COMMAND_ADD_POINTER:
romfile_loader_add_pointer(entry, files);
break;
case ROMFILE_LOADER_COMMAND_ADD_CHECKSUM:
romfile_loader_add_checksum(entry, files);
default:
/* Skip commands that we don't recognize. */
break;
}
}
free(files);
free(data);
return 0;
err:
free(data);
return -1;
}
// Insert an entry in the e820_list at the given position.
static void
insert_e820(int i, u64 start, u64 size, u32 type)
{
if (e820_count >= BUILD_MAX_E820) {
warn_noalloc();
return;
}
memmove(&e820_list[i+1], &e820_list[i]
, sizeof(e820_list[0]) * (e820_count - i));
e820_count++;
struct e820entry *e = &e820_list[i];
e->start = start;
e->size = size;
e->type = type;
}
static void
copy_acpi_rsdp(void *pos)
{
if (RsdpAddr)
return;
int length = get_acpi_rsdp_length(pos, -1);
if (length < 0)
return;
void *newpos = malloc_fseg(length);
if (!newpos) {
warn_noalloc();
return;
}
dprintf(1, "Copying ACPI RSDP from %p to %p\n", pos, newpos);
memcpy(newpos, pos, length);
RsdpAddr = newpos;
}
static void romfile_loader_allocate(struct romfile_loader_entry_s *entry,
struct romfile_loader_files *files)
{
struct zone_s *zone;
struct romfile_loader_file *file = &files->files[files->nfiles];
void *data;
int ret;
unsigned alloc_align = le32_to_cpu(entry->alloc_align);
if (alloc_align & (alloc_align - 1))
goto err;
switch (entry->alloc_zone) {
case ROMFILE_LOADER_ALLOC_ZONE_HIGH:
zone = &ZoneHigh;
break;
case ROMFILE_LOADER_ALLOC_ZONE_FSEG:
zone = &ZoneFSeg;
break;
default:
goto err;
}
if (alloc_align < MALLOC_MIN_ALIGN)
alloc_align = MALLOC_MIN_ALIGN;
if (entry->alloc_file[ROMFILE_LOADER_FILESZ - 1])
goto err;
file->file = romfile_find(entry->alloc_file);
if (!file->file || !file->file->size)
return;
data = _malloc(zone, MALLOC_DEFAULT_HANDLE, file->file->size, alloc_align);
if (!data) {
warn_noalloc();
return;
}
ret = file->file->copy(file->file, data, file->file->size);
if (ret != file->file->size)
goto file_err;
file->data = data;
files->nfiles++;
return;
file_err:
free(data);
err:
warn_internalerror();
}
struct usb_pipe *
ehci_alloc_pipe(struct usbdevice_s *usbdev
, struct usb_endpoint_descriptor *epdesc)
{
if (! CONFIG_USB_EHCI)
return NULL;
u8 eptype = epdesc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
if (eptype == USB_ENDPOINT_XFER_INT)
return ehci_alloc_intr_pipe(usbdev, epdesc);
struct usb_ehci_s *cntl = container_of(
usbdev->hub->cntl, struct usb_ehci_s, usb);
dprintf(7, "ehci_alloc_async_pipe %p %d\n", &cntl->usb, eptype);
struct usb_pipe *usbpipe = usb_getFreePipe(&cntl->usb, eptype);
if (usbpipe) {
// Use previously allocated pipe.
struct ehci_pipe *pipe = container_of(usbpipe, struct ehci_pipe, pipe);
ehci_desc2pipe(pipe, usbdev, epdesc);
return usbpipe;
}
// Allocate a new queue head.
struct ehci_pipe *pipe;
if (eptype == USB_ENDPOINT_XFER_CONTROL)
pipe = memalign_tmphigh(EHCI_QH_ALIGN, sizeof(*pipe));
else
pipe = memalign_low(EHCI_QH_ALIGN, sizeof(*pipe));
if (!pipe) {
warn_noalloc();
return NULL;
}
memset(pipe, 0, sizeof(*pipe));
ehci_desc2pipe(pipe, usbdev, epdesc);
pipe->qh.qtd_next = pipe->qh.alt_next = EHCI_PTR_TERM;
// Add queue head to controller list.
struct ehci_qh *async_qh = cntl->async_qh;
pipe->qh.next = async_qh->next;
barrier();
async_qh->next = (u32)&pipe->qh | EHCI_PTR_QH;
return &pipe->pipe;
}
static void
copy_pir(void *pos)
{
struct pir_header *p = pos;
if (p->signature != PIR_SIGNATURE)
return;
if (PirAddr)
return;
if (p->size < sizeof(*p))
return;
if (checksum(pos, p->size) != 0)
return;
void *newpos = malloc_fseg(p->size);
if (!newpos) {
warn_noalloc();
return;
}
dprintf(1, "Copying PIR from %p to %p\n", pos, newpos);
memcpy(newpos, pos, p->size);
PirAddr = newpos;
}
void
cdrom_prepboot(void)
{
if (!CONFIG_CDROM_EMU)
return;
if (!CDCount)
return;
if (create_bounce_buf() < 0)
return;
struct drive_s *drive_g = malloc_fseg(sizeof(*drive_g));
if (!drive_g) {
warn_noalloc();
free(drive_g);
return;
}
cdemu_drive_gf = drive_g;
memset(drive_g, 0, sizeof(*drive_g));
drive_g->type = DTYPE_CDEMU;
drive_g->blksize = DISK_SECTOR_SIZE;
drive_g->sectors = (u64)-1;
}
void
copy_smbios(void *pos)
{
if (SMBiosAddr)
return;
struct smbios_entry_point *p = pos;
if (memcmp(p->anchor_string, "_SM_", 4))
return;
if (checksum(pos, 0x10) != 0)
return;
if (memcmp(p->intermediate_anchor_string, "_DMI_", 5))
return;
if (checksum(pos+0x10, p->length-0x10) != 0)
return;
struct smbios_entry_point *newpos = malloc_fseg(p->length);
if (!newpos) {
warn_noalloc();
return;
}
dprintf(1, "Copying SMBIOS entry point from %p to %p\n", pos, newpos);
memcpy(newpos, pos, p->length);
SMBiosAddr = newpos;
}
static void
copy_mptable(void *pos)
{
struct mptable_floating_s *p = pos;
if (p->signature != MPTABLE_SIGNATURE)
return;
if (!p->physaddr)
return;
if (checksum(pos, sizeof(*p)) != 0)
return;
u32 length = p->length * 16;
u16 mpclength = ((struct mptable_config_s *)p->physaddr)->length;
struct mptable_floating_s *newpos = malloc_fseg(length + mpclength);
if (!newpos) {
warn_noalloc();
return;
}
dprintf(1, "Copying MPTABLE from %p/%x to %p\n", pos, p->physaddr, newpos);
memcpy(newpos, pos, length);
newpos->physaddr = (u32)newpos + length;
newpos->checksum -= checksum(newpos, sizeof(*newpos));
memcpy((void*)newpos + length, (void*)p->physaddr, mpclength);
}
static void
loadBootOrder(void)
{
if (!CONFIG_BOOTORDER)
return;
char *f = romfile_loadfile("bootorder", NULL);
if (!f)
return;
int i = 0;
BootorderCount = 1;
while (f[i]) {
if (f[i] == '\n')
BootorderCount++;
i++;
}
Bootorder = malloc_tmphigh(BootorderCount*sizeof(char*));
if (!Bootorder) {
warn_noalloc();
free(f);
BootorderCount = 0;
return;
}
dprintf(1, "boot order:\n");
i = 0;
do {
Bootorder[i] = f;
f = strchr(f, '\n');
if (f)
*(f++) = '\0';
Bootorder[i] = nullTrailingSpace(Bootorder[i]);
dprintf(1, "%d: %s\n", i+1, Bootorder[i]);
i++;
} while (f);
}
void
mptable_setup(void)
{
if (! CONFIG_MPTABLE)
return;
dprintf(3, "init MPTable\n");
// Config structure in temp area.
struct mptable_config_s *config = malloc_tmp(32*1024);
if (!config) {
warn_noalloc();
return;
}
memset(config, 0, sizeof(*config));
config->signature = MPCONFIG_SIGNATURE;
config->spec = 4;
memcpy(config->oemid, BUILD_CPUNAME8, sizeof(config->oemid));
memcpy(config->productid, "0.1 ", sizeof(config->productid));
config->lapic = BUILD_APIC_ADDR;
// Detect cpu info
u32 cpuid_signature, ebx, ecx, cpuid_features;
cpuid(1, &cpuid_signature, &ebx, &ecx, &cpuid_features);
if (! cpuid_signature) {
// Use default values.
cpuid_signature = 0x600;
cpuid_features = 0x201;
}
int pkgcpus = 1;
if (cpuid_features & (1 << 28)) {
/* Only populate the MPS tables with the first logical CPU in
each package */
pkgcpus = (ebx >> 16) & 0xff;
pkgcpus = 1 << (__fls(pkgcpus - 1) + 1); /* round up to power of 2 */
}
void
enable_bootsplash(void)
{
if (!CONFIG_BOOTSPLASH)
return;
/* splash picture can be bmp or jpeg file */
dprintf(3, "Checking for bootsplash\n");
u8 type = 0; /* 0 means jpg, 1 means bmp, default is 0=jpg */
int filesize;
u8 *filedata = romfile_loadfile("bootsplash.jpg", &filesize);
if (!filedata) {
filedata = romfile_loadfile("bootsplash.bmp", &filesize);
if (!filedata)
return;
type = 1;
}
dprintf(3, "start showing bootsplash\n");
u8 *picture = NULL; /* data buff used to be flushed to the video buf */
struct jpeg_decdata *jpeg = NULL;
struct bmp_decdata *bmp = NULL;
struct vbe_info *vesa_info = malloc_tmplow(sizeof(*vesa_info));
struct vbe_mode_info *mode_info = malloc_tmplow(sizeof(*mode_info));
if (!vesa_info || !mode_info) {
warn_noalloc();
goto done;
}
/* Check whether we have a VESA 2.0 compliant BIOS */
memset(vesa_info, 0, sizeof(struct vbe_info));
vesa_info->signature = VBE2_SIGNATURE;
struct bregs br;
memset(&br, 0, sizeof(br));
br.ax = 0x4f00;
br.di = FLATPTR_TO_OFFSET(vesa_info);
br.es = FLATPTR_TO_SEG(vesa_info);
call16_int10(&br);
if (vesa_info->signature != VESA_SIGNATURE) {
dprintf(1,"No VBE2 found.\n");
goto done;
}
/* Print some debugging information about our card. */
char *vendor = SEGOFF_TO_FLATPTR(vesa_info->oem_vendor_string);
char *product = SEGOFF_TO_FLATPTR(vesa_info->oem_product_string);
dprintf(3, "VESA %d.%d\nVENDOR: %s\nPRODUCT: %s\n",
vesa_info->version>>8, vesa_info->version&0xff,
vendor, product);
int ret, width, height;
int bpp_require = 0;
if (type == 0) {
jpeg = jpeg_alloc();
if (!jpeg) {
warn_noalloc();
goto done;
}
/* Parse jpeg and get image size. */
dprintf(5, "Decoding bootsplash.jpg\n");
ret = jpeg_decode(jpeg, filedata);
if (ret) {
dprintf(1, "jpeg_decode failed with return code %d...\n", ret);
goto done;
}
jpeg_get_size(jpeg, &width, &height);
} else {
bmp = bmp_alloc();
if (!bmp) {
warn_noalloc();
goto done;
}
/* Parse bmp and get image size. */
dprintf(5, "Decoding bootsplash.bmp\n");
ret = bmp_decode(bmp, filedata, filesize);
if (ret) {
dprintf(1, "bmp_decode failed with return code %d...\n", ret);
goto done;
}
bmp_get_size(bmp, &width, &height);
bpp_require = 24;
}
/* jpeg would use 16 or 24 bpp video mode, BMP use 24bpp mode only */
// Try to find a graphics mode with the corresponding dimensions.
int videomode = find_videomode(vesa_info, mode_info, width, height,
bpp_require);
if (videomode < 0) {
dprintf(1, "failed to find a videomode with %dx%d %dbpp (0=any).\n",
width, height, bpp_require);
goto done;
}
void *framebuffer = (void *)mode_info->phys_base;
int depth = mode_info->bits_per_pixel;
dprintf(3, "mode: %04x\n", videomode);
dprintf(3, "framebuffer: %p\n", framebuffer);
dprintf(3, "bytes per scanline: %d\n", mode_info->bytes_per_scanline);
dprintf(3, "bits per pixel: %d\n", depth);
// Allocate space for image and decompress it.
int imagesize = height * mode_info->bytes_per_scanline;
picture = malloc_tmphigh(imagesize);
if (!picture) {
warn_noalloc();
goto done;
}
if (type == 0) {
dprintf(5, "Decompressing bootsplash.jpg\n");
ret = jpeg_show(jpeg, picture, width, height, depth,
mode_info->bytes_per_scanline);
if (ret) {
dprintf(1, "jpeg_show failed with return code %d...\n", ret);
goto done;
}
} else {
dprintf(5, "Decompressing bootsplash.bmp\n");
ret = bmp_show(bmp, picture, width, height, depth,
mode_info->bytes_per_scanline);
if (ret) {
dprintf(1, "bmp_show failed with return code %d...\n", ret);
goto done;
}
}
/* Switch to graphics mode */
dprintf(5, "Switching to graphics mode\n");
memset(&br, 0, sizeof(br));
br.ax = 0x4f02;
br.bx = videomode | VBE_MODE_LINEAR_FRAME_BUFFER;
call16_int10(&br);
if (br.ax != 0x4f) {
dprintf(1, "set_mode failed.\n");
goto done;
}
/* Show the picture */
dprintf(5, "Showing bootsplash picture\n");
iomemcpy(framebuffer, picture, imagesize);
dprintf(5, "Bootsplash copy complete\n");
BootsplashActive = 1;
done:
free(filedata);
free(picture);
free(vesa_info);
free(mode_info);
free(jpeg);
free(bmp);
return;
}
void
enable_bootsplash(void)
{
if (!CONFIG_BOOTSPLASH)
return;
dprintf(3, "Checking for bootsplash\n");
u32 file = romfile_find("bootsplash.jpg");
if (!file)
return;
int filesize = romfile_size(file);
u8 *picture = NULL;
u8 *filedata = malloc_tmphigh(filesize);
struct vesa_info *vesa_info = malloc_tmplow(sizeof(*vesa_info));
struct vesa_mode_info *mode_info = malloc_tmplow(sizeof(*mode_info));
struct jpeg_decdata *jpeg = jpeg_alloc();
if (!filedata || !jpeg || !vesa_info || !mode_info) {
warn_noalloc();
goto done;
}
/* Check whether we have a VESA 2.0 compliant BIOS */
memset(vesa_info, 0, sizeof(struct vesa_info));
vesa_info->vesa_signature = VBE2_SIGNATURE;
struct bregs br;
memset(&br, 0, sizeof(br));
br.ax = 0x4f00;
br.di = FLATPTR_TO_OFFSET(vesa_info);
br.es = FLATPTR_TO_SEG(vesa_info);
call16_int10(&br);
if (vesa_info->vesa_signature != VESA_SIGNATURE) {
dprintf(1,"No VBE2 found.\n");
goto done;
}
/* Print some debugging information about our card. */
char *vendor = SEGOFF_TO_FLATPTR(vesa_info->oem_vendor_name_ptr);
char *product = SEGOFF_TO_FLATPTR(vesa_info->oem_product_name_ptr);
dprintf(3, "VESA %d.%d\nVENDOR: %s\nPRODUCT: %s\n",
vesa_info->vesa_version>>8, vesa_info->vesa_version&0xff,
vendor, product);
// Parse jpeg and get image size.
dprintf(5, "Copying bootsplash.jpg\n");
romfile_copy(file, filedata, filesize);
dprintf(5, "Decoding bootsplash.jpg\n");
int ret = jpeg_decode(jpeg, filedata);
if (ret) {
dprintf(1, "jpeg_decode failed with return code %d...\n", ret);
goto done;
}
int width, height;
jpeg_get_size(jpeg, &width, &height);
// Try to find a graphics mode with the corresponding dimensions.
int videomode = find_videomode(vesa_info, mode_info, width, height);
if (videomode < 0)
goto done;
void *framebuffer = mode_info->phys_base_ptr;
int depth = mode_info->bits_per_pixel;
dprintf(3, "mode: %04x\n", videomode);
dprintf(3, "framebuffer: %p\n", framebuffer);
dprintf(3, "bytes per scanline: %d\n", mode_info->bytes_per_scanline);
dprintf(3, "bits per pixel: %d\n", depth);
// Allocate space for image and decompress it.
int imagesize = width * height * (depth / 8);
picture = malloc_tmphigh(imagesize);
if (!picture) {
warn_noalloc();
goto done;
}
dprintf(5, "Decompressing bootsplash.jpg\n");
ret = jpeg_show(jpeg, picture, width, height, depth);
if (ret) {
dprintf(1, "jpeg_show failed with return code %d...\n", ret);
goto done;
}
/* Switch to graphics mode */
dprintf(5, "Switching to graphics mode\n");
memset(&br, 0, sizeof(br));
br.ax = 0x4f02;
br.bx = (1 << 14) | videomode;
call16_int10(&br);
if (br.ax != 0x4f) {
dprintf(1, "set_mode failed.\n");
goto done;
}
/* Show the picture */
dprintf(5, "Showing bootsplash.jpg\n");
iomemcpy(framebuffer, picture, imagesize);
dprintf(5, "Bootsplash copy complete\n");
BootsplashActive = 1;
done:
free(filedata);
free(picture);
free(vesa_info);
free(mode_info);
free(jpeg);
return;
}
static void
configure_ehci(void *data)
{
struct usb_ehci_s *cntl = data;
// Allocate ram for schedule storage
struct ehci_framelist *fl = memalign_high(sizeof(*fl), sizeof(*fl));
struct ehci_qh *intr_qh = memalign_high(EHCI_QH_ALIGN, sizeof(*intr_qh));
struct ehci_qh *async_qh = memalign_high(EHCI_QH_ALIGN, sizeof(*async_qh));
if (!fl || !intr_qh || !async_qh) {
warn_noalloc();
goto fail;
}
// XXX - check for halted?
// Reset the HC
u32 cmd = readl(&cntl->regs->usbcmd);
writel(&cntl->regs->usbcmd, (cmd & ~(CMD_ASE | CMD_PSE)) | CMD_HCRESET);
u64 end = calc_future_tsc(250);
for (;;) {
cmd = readl(&cntl->regs->usbcmd);
if (!(cmd & CMD_HCRESET))
break;
if (check_tsc(end)) {
warn_timeout();
goto fail;
}
yield();
}
// Disable interrupts (just to be safe).
writel(&cntl->regs->usbintr, 0);
// Set schedule to point to primary intr queue head
memset(intr_qh, 0, sizeof(*intr_qh));
intr_qh->next = EHCI_PTR_TERM;
intr_qh->info2 = (0x01 << QH_SMASK_SHIFT);
intr_qh->token = QTD_STS_HALT;
intr_qh->qtd_next = intr_qh->alt_next = EHCI_PTR_TERM;
int i;
for (i=0; i<ARRAY_SIZE(fl->links); i++)
fl->links[i] = (u32)intr_qh | EHCI_PTR_QH;
writel(&cntl->regs->periodiclistbase, (u32)fl);
// Set async list to point to primary async queue head
memset(async_qh, 0, sizeof(*async_qh));
async_qh->next = (u32)async_qh | EHCI_PTR_QH;
async_qh->info1 = QH_HEAD;
async_qh->token = QTD_STS_HALT;
async_qh->qtd_next = async_qh->alt_next = EHCI_PTR_TERM;
cntl->async_qh = async_qh;
writel(&cntl->regs->asynclistbase, (u32)async_qh);
// Enable queues
writel(&cntl->regs->usbcmd, cmd | CMD_ASE | CMD_PSE | CMD_RUN);
// Set default of high speed for root hub.
writel(&cntl->regs->configflag, 1);
cntl->checkports = readl(&cntl->caps->hcsparams) & HCS_N_PORTS_MASK;
// Find devices
int count = check_ehci_ports(cntl);
ehci_free_pipes(cntl);
if (count)
// Success
return;
// No devices found - shutdown and free controller.
writel(&cntl->regs->usbcmd, cmd & ~CMD_RUN);
msleep(4); // 2ms to stop reading memory - XXX
fail:
free(fl);
free(intr_qh);
free(async_qh);
free(cntl);
}
static struct usb_pipe *
ehci_alloc_intr_pipe(struct usbdevice_s *usbdev
, struct usb_endpoint_descriptor *epdesc)
{
struct usb_ehci_s *cntl = container_of(
usbdev->hub->cntl, struct usb_ehci_s, usb);
int frameexp = usb_getFrameExp(usbdev, epdesc);
dprintf(7, "ehci_alloc_intr_pipe %p %d\n", &cntl->usb, frameexp);
if (frameexp > 10)
frameexp = 10;
int maxpacket = epdesc->wMaxPacketSize;
// Determine number of entries needed for 2 timer ticks.
int ms = 1<<frameexp;
int count = DIV_ROUND_UP(PIT_TICK_INTERVAL * 1000 * 2, PIT_TICK_RATE * ms);
struct ehci_pipe *pipe = memalign_low(EHCI_QH_ALIGN, sizeof(*pipe));
struct ehci_qtd *tds = memalign_low(EHCI_QTD_ALIGN, sizeof(*tds) * count);
void *data = malloc_low(maxpacket * count);
if (!pipe || !tds || !data) {
warn_noalloc();
goto fail;
}
memset(pipe, 0, sizeof(*pipe));
ehci_desc2pipe(pipe, usbdev, epdesc);
pipe->next_td = pipe->tds = tds;
pipe->data = data;
pipe->qh.qtd_next = (u32)tds;
int i;
for (i=0; i<count; i++) {
struct ehci_qtd *td = &tds[i];
td->qtd_next = (i==count-1 ? (u32)tds : (u32)&td[1]);
td->alt_next = EHCI_PTR_TERM;
td->token = (ehci_explen(maxpacket) | QTD_STS_ACTIVE
| QTD_PID_IN | ehci_maxerr(3));
td->buf[0] = (u32)data + maxpacket * i;
}
// Add to interrupt schedule.
struct ehci_framelist *fl = (void*)readl(&cntl->regs->periodiclistbase);
if (frameexp == 0) {
// Add to existing interrupt entry.
struct ehci_qh *intr_qh = (void*)(fl->links[0] & ~EHCI_PTR_BITS);
pipe->qh.next = intr_qh->next;
barrier();
intr_qh->next = (u32)&pipe->qh | EHCI_PTR_QH;
} else {
int startpos = 1<<(frameexp-1);
pipe->qh.next = fl->links[startpos];
barrier();
for (i=startpos; i<ARRAY_SIZE(fl->links); i+=ms)
fl->links[i] = (u32)&pipe->qh | EHCI_PTR_QH;
}
return &pipe->pipe;
fail:
free(pipe);
free(tds);
free(data);
return NULL;
}
int qemu_cfg_smbios_load_external(int type, char **p, unsigned *nr_structs,
unsigned *max_struct_size, char *end)
{
static u64 used_bitmap[4] = { 0 };
char *start = *p;
int i;
/* Check if we've already reported these tables */
if (used_bitmap[(type >> 6) & 0x3] & (1ULL << (type & 0x3f)))
return 1;
/* Don't introduce spurious end markers */
if (type == 127)
return 0;
for (i = qemu_cfg_smbios_entries(); i > 0; i--) {
struct smbios_table table;
struct smbios_structure_header *header = (void *)*p;
int string;
qemu_cfg_read((u8 *)&table, sizeof(struct smbios_header));
table.header.length -= sizeof(struct smbios_header);
if (table.header.type != SMBIOS_TABLE_ENTRY) {
qemu_cfg_skip(table.header.length);
continue;
}
if (end - *p < sizeof(struct smbios_structure_header)) {
warn_noalloc();
break;
}
qemu_cfg_read((u8 *)*p, sizeof(struct smbios_structure_header));
table.header.length -= sizeof(struct smbios_structure_header);
if (header->type != type) {
qemu_cfg_skip(table.header.length);
continue;
}
*p += sizeof(struct smbios_structure_header);
/* Entries end with a double NULL char, if there's a string at
* the end (length is greater than formatted length), the string
* terminator provides the first NULL. */
string = header->length < table.header.length +
sizeof(struct smbios_structure_header);
/* Read the rest and terminate the entry */
if (end - *p < table.header.length) {
warn_noalloc();
*p -= sizeof(struct smbios_structure_header);
continue;
}
qemu_cfg_read((u8 *)*p, table.header.length);
*p += table.header.length;
*((u8*)*p) = 0;
(*p)++;
if (!string) {
*((u8*)*p) = 0;
(*p)++;
}
(*nr_structs)++;
if (*p - (char *)header > *max_struct_size)
*max_struct_size = *p - (char *)header;
}
if (start != *p) {
/* Mark that we've reported on this type */
used_bitmap[(type >> 6) & 0x3] |= (1ULL << (type & 0x3f));
return 1;
}
