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Ignore whitespace Rev 4152 → Rev 4153

/branches/network/boot/genarch/ofw.h
74,7 → 74,7
typedef struct {
void *addr;
uint32_t size;
} keyboard_t;
} macio_t;
 
typedef struct {
uint32_t info;
122,7 → 122,8
extern int ofw_map(const void *phys, const void *virt, const int size, const int mode);
extern int ofw_memmap(memmap_t *map);
extern int ofw_screen(screen_t *screen);
extern int ofw_keyboard(keyboard_t *keyboard);
extern int ofw_macio(macio_t *macio);
extern int ofw_setup_palette(void);
extern void ofw_quiesce(void);
 
#endif
/branches/network/boot/genarch/balloc.h
31,7 → 31,7
 
#include <types.h>
 
#define BALLOC_MAX_SIZE (1024 * 1024)
#define BALLOC_MAX_SIZE (128 * 1024)
 
typedef struct {
uintptr_t base;
/branches/network/boot/genarch/ofw_tree.c
42,10 → 42,11
 
static ofw_tree_property_t *ofw_tree_properties_alloc(unsigned count)
{
return balloc(count * sizeof(ofw_tree_property_t), sizeof(ofw_tree_property_t));
return balloc(count * sizeof(ofw_tree_property_t),
sizeof(ofw_tree_property_t));
}
 
static void * ofw_tree_space_alloc(size_t size)
static void *ofw_tree_space_alloc(size_t size)
{
char *addr;
 
65,23 → 66,26
return addr;
}
 
/** Transfer information from one OpenFirmware node into its memory representation.
/** Transfer information from one OpenFirmware node into its memory
* representation.
*
* Transfer entire information from the OpenFirmware device tree 'current' node to
* its memory representation in 'current_node'. This function recursively processes
* all node's children. Node's peers are processed iteratively in order to prevent
* stack from overflowing.
* Transfer entire information from the OpenFirmware device tree 'current' node
* to its memory representation in 'current_node'. This function recursively
* processes all node's children. Node's peers are processed iteratively in
* order to prevent stack from overflowing.
*
* @param current_node Pointer to uninitialized ofw_tree_node structure that will
* become the memory represenation of 'current'.
* @param parent_node Parent ofw_tree_node structure or NULL in case of root node.
* @param current_node Pointer to uninitialized ofw_tree_node structure that
* will become the memory represenation of 'current'.
* @param parent_node Parent ofw_tree_node structure or NULL in case of root
* node.
* @param current OpenFirmware phandle to the current device tree node.
*/
static void ofw_tree_node_process(ofw_tree_node_t *current_node,
ofw_tree_node_t *parent_node, phandle current)
ofw_tree_node_t *parent_node, phandle current)
{
static char path[MAX_PATH_LEN+1];
static char path[MAX_PATH_LEN + 1];
static char name[OFW_TREE_PROPERTY_MAX_NAMELEN];
static char name2[OFW_TREE_PROPERTY_MAX_NAMELEN];
phandle peer;
phandle child;
size_t len;
121,7 → 125,6
memcpy(current_node->da_name, &path[i], len);
current_node->da_name[len] = '\0';
/*
* Recursively process the potential child node.
*/
131,7 → 134,8
child_node = ofw_tree_node_alloc();
if (child_node) {
ofw_tree_node_process(child_node, current_node, child);
ofw_tree_node_process(child_node, current_node,
child);
current_node->child = child_node;
}
}
140,9 → 144,11
* Count properties.
*/
name[0] = '\0';
while (ofw_next_property(current, name, name) == 1)
while (ofw_next_property(current, name, name2) == 1) {
current_node->properties++;
memcpy(name, name2, OFW_TREE_PROPERTY_MAX_NAMELEN);
}
 
if (!current_node->properties)
return;
149,20 → 155,23
/*
* Copy properties.
*/
current_node->property = ofw_tree_properties_alloc(current_node->properties);
current_node->property =
ofw_tree_properties_alloc(current_node->properties);
if (!current_node->property)
return;
name[0] = '\0';
for (i = 0; ofw_next_property(current, name, name) == 1; i++) {
for (i = 0; ofw_next_property(current, name, name2) == 1; i++) {
size_t size;
if (i == current_node->properties)
break;
memcpy(name, name2, OFW_TREE_PROPERTY_MAX_NAMELEN);
memcpy(current_node->property[i].name, name,
OFW_TREE_PROPERTY_MAX_NAMELEN);
current_node->property[i].name[OFW_TREE_PROPERTY_MAX_NAMELEN] = '\0';
OFW_TREE_PROPERTY_MAX_NAMELEN);
current_node->property[i].name[
OFW_TREE_PROPERTY_MAX_NAMELEN] = '\0';
 
size = ofw_get_proplen(current, name);
current_node->property[i].size = size;
174,7 → 183,8
/*
* Copy property value to memory node.
*/
(void) ofw_get_property(current, name, buf, size);
(void) ofw_get_property(current, name,
buf, size);
}
} else {
current_node->property[i].value = NULL;
181,7 → 191,8
}
}
 
current_node->properties = i; /* Just in case we ran out of memory. */
/* Just in case we ran out of memory. */
current_node->properties = i;
 
/*
* Iteratively process the next peer node.
214,15 → 225,33
 
/** Construct memory representation of OpenFirmware device tree.
*
* @return NULL on failure or pointer to the root node.
* @return NULL on failure or pointer to the root node.
*/
ofw_tree_node_t *ofw_tree_build(void)
{
ofw_tree_node_t *root;
phandle ssm_node;
ofw_tree_node_t *ssm;
root = ofw_tree_node_alloc();
if (root)
ofw_tree_node_process(root, NULL, ofw_root);
 
/*
* The firmware client interface does not automatically include the
* "ssm" node in the list of children of "/". A nasty yet working
* solution is to explicitly stick "ssm" to the OFW tree.
*/
ssm_node = ofw_find_device("/ssm@0,0");
if (ssm_node != -1) {
ssm = ofw_tree_node_alloc();
if (ssm) {
ofw_tree_node_process(ssm, root,
ofw_find_device("/ssm@0,0"));
ssm->peer = root->child;
root->child = ssm;
}
}
return root;
}
/branches/network/boot/genarch/ofw.c
25,7 → 25,7
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#include <ofw.h>
#include <ofwarch.h>
#include <printf.h>
48,7 → 48,8
if (ofw_chosen == -1)
halt();
if (ofw_get_property(ofw_chosen, "stdout", &ofw_stdout, sizeof(ofw_stdout)) <= 0)
if (ofw_get_property(ofw_chosen, "stdout", &ofw_stdout,
sizeof(ofw_stdout)) <= 0)
ofw_stdout = 0;
ofw_root = ofw_find_device("/");
57,11 → 58,13
halt();
}
if (ofw_get_property(ofw_chosen, "mmu", &ofw_mmu, sizeof(ofw_mmu)) <= 0) {
if (ofw_get_property(ofw_chosen, "mmu", &ofw_mmu,
sizeof(ofw_mmu)) <= 0) {
puts("\r\nError: Unable to get mmu property, halted.\r\n");
halt();
}
if (ofw_get_property(ofw_chosen, "memory", &ofw_memory_prop, sizeof(ofw_memory_prop)) <= 0) {
if (ofw_get_property(ofw_chosen, "memory", &ofw_memory_prop,
sizeof(ofw_memory_prop)) <= 0) {
puts("\r\nError: Unable to get memory property, halted.\r\n");
halt();
}
81,14 → 84,18
 
/** Perform a call to OpenFirmware client interface.
*
* @param service String identifying the service requested.
* @param nargs Number of input arguments.
* @param nret Number of output arguments. This includes the return value.
* @param rets Buffer for output arguments or NULL. The buffer must accommodate nret - 1 items.
* @param service String identifying the service requested.
* @param nargs Number of input arguments.
* @param nret Number of output arguments. This includes the return
* value.
* @param rets Buffer for output arguments or NULL. The buffer must
* accommodate nret - 1 items.
*
* @return Return value returned by the client interface.
* @return Return value returned by the client interface.
*/
unsigned long ofw_call(const char *service, const int nargs, const int nret, ofw_arg_t *rets, ...)
unsigned long
ofw_call(const char *service, const int nargs, const int nret, ofw_arg_t *rets,
...)
{
va_list list;
ofw_args_t args;
119,7 → 126,9
return ofw_call("finddevice", 1, 1, NULL, name);
}
 
int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen)
int
ofw_get_property(const phandle device, const char *name, void *buf,
const int buflen)
{
return ofw_call("getprop", 4, 1, NULL, device, name, buf, buflen);
}
144,7 → 153,8
unsigned int ret = 1;
if (ofw_get_property(device, "#address-cells", &ret, sizeof(ret)) <= 0)
if (ofw_get_property(ofw_root, "#address-cells", &ret, sizeof(ret)) <= 0)
if (ofw_get_property(ofw_root, "#address-cells", &ret,
sizeof(ret)) <= 0)
ret = OFW_ADDRESS_CELLS;
return ret;
156,7 → 166,8
unsigned int ret;
if (ofw_get_property(device, "#size-cells", &ret, sizeof(ret)) <= 0)
if (ofw_get_property(ofw_root, "#size-cells", &ret, sizeof(ret)) <= 0)
if (ofw_get_property(ofw_root, "#size-cells", &ret,
sizeof(ret)) <= 0)
ret = OFW_SIZE_CELLS;
return ret;
192,7 → 203,8
ofw_arg_t result[4];
int shift;
 
if (ofw_call("call-method", 3, 5, result, "translate", ofw_mmu, virt) != 0) {
if (ofw_call("call-method", 4, 5, result, "translate", ofw_mmu,
virt, 0) != 0) {
puts("Error: MMU method translate() failed, halting.\n");
halt();
}
212,7 → 224,8
{
ofw_arg_t retaddr;
 
if (ofw_call("call-method", 5, 2, &retaddr, "claim", ofw_mmu, 0, len, virt) != 0) {
if (ofw_call("call-method", 5, 2, &retaddr, "claim", ofw_mmu, 0, len,
virt) != 0) {
puts("Error: MMU method claim() failed, halting.\n");
halt();
}
269,8 → 282,8
phys_lo = (uintptr_t) phys;
}
 
return ofw_call("call-method", 7, 1, NULL, "map", ofw_mmu, mode, size, virt,
phys_hi, phys_lo);
return ofw_call("call-method", 7, 1, NULL, "map", ofw_mmu, mode, size,
virt, phys_hi, phys_lo);
}
 
/** Save OpenFirmware physical memory map.
281,10 → 294,12
*/
int ofw_memmap(memmap_t *map)
{
unsigned int ac = ofw_get_address_cells(ofw_memory);
unsigned int sc = ofw_get_size_cells(ofw_memory);
unsigned int ac = ofw_get_address_cells(ofw_memory) /
(sizeof(uintptr_t) / sizeof(uint32_t));
unsigned int sc = ofw_get_size_cells(ofw_memory) /
(sizeof(uintptr_t) / sizeof(uint32_t));
 
uint32_t buf[((ac + sc) * MEMMAP_MAX_RECORDS)];
uintptr_t buf[((ac + sc) * MEMMAP_MAX_RECORDS)];
int ret = ofw_get_property(ofw_memory, "reg", buf, sizeof(buf));
if (ret <= 0) /* ret is the number of written bytes */
return false;
292,11 → 307,22
int pos;
map->total = 0;
map->count = 0;
for (pos = 0; (pos < ret / sizeof(uint32_t)) &&
for (pos = 0; (pos < ret / sizeof(uintptr_t)) &&
(map->count < MEMMAP_MAX_RECORDS); pos += ac + sc) {
void * start = (void *) ((uintptr_t) buf[pos + ac - 1]);
void *start = (void *) (buf[pos + ac - 1]);
unsigned int size = buf[pos + ac + sc - 1];
 
/*
* This is a hot fix of the issue which occurs on machines
* where there are holes in the physical memory (such as
* SunBlade 1500). Should we detect a hole in the physical
* memory, we will ignore any memory detected behind
* the hole and pretend the hole does not exist.
*/
if ((map->count > 0) && (map->zones[map->count - 1].start +
map->zones[map->count - 1].size < start))
break;
 
if (size > 0) {
map->zones[map->count].start = start;
map->zones[map->count].size = size;
308,13 → 334,13
return true;
}
 
 
int ofw_screen(screen_t *screen)
{
char device_name[BUF_SIZE];
uint32_t virtaddr;
if (ofw_get_property(ofw_aliases, "screen", device_name, sizeof(device_name)) <= 0)
if (ofw_get_property(ofw_aliases, "screen", device_name,
sizeof(device_name)) <= 0)
return false;
phandle device = ofw_find_device(device_name);
321,27 → 347,78
if (device == -1)
return false;
if (ofw_get_property(device, "address", &virtaddr, sizeof(virtaddr)) <= 0)
if (ofw_get_property(device, "address", &virtaddr,
sizeof(virtaddr)) <= 0)
return false;
 
screen->addr = (void *) ((uintptr_t) virtaddr);
 
if (ofw_get_property(device, "width", &screen->width, sizeof(screen->width)) <= 0)
if (ofw_get_property(device, "width", &screen->width,
sizeof(screen->width)) <= 0)
return false;
if (ofw_get_property(device, "height", &screen->height, sizeof(screen->height)) <= 0)
if (ofw_get_property(device, "height", &screen->height,
sizeof(screen->height)) <= 0)
return false;
if (ofw_get_property(device, "depth", &screen->bpp, sizeof(screen->bpp)) <= 0)
if (ofw_get_property(device, "depth", &screen->bpp,
sizeof(screen->bpp)) <= 0)
return false;
if (ofw_get_property(device, "linebytes", &screen->scanline, sizeof(screen->scanline)) <= 0)
if (ofw_get_property(device, "linebytes", &screen->scanline,
sizeof(screen->scanline)) <= 0)
return false;
return true;
}
 
#define RED(i) (((i) >> 5) & ((1 << 3) - 1))
#define GREEN(i) (((i) >> 3) & ((1 << 2) - 1))
#define BLUE(i) ((i) & ((1 << 3) - 1))
#define CLIP(i) ((i) <= 255 ? (i) : 255)
 
 
/**
* Sets up the palette for the 8-bit color depth configuration so that the
* 3:2:3 color scheme can be used. Checks that setting the palette makes sense
* (appropriate nodes exist in the OBP tree and the color depth is not greater
* than 8).
*
* @return true if the palette has been set, false otherwise
*
*/
int ofw_setup_palette(void)
{
char device_name[BUF_SIZE];
/* resolve alias */
if (ofw_get_property(ofw_aliases, "screen", device_name,
sizeof(device_name)) <= 0)
return false;
/* for depth greater than 8 it makes no sense to set up the palette */
uint32_t depth;
phandle device = ofw_find_device(device_name);
if (device == -1)
return false;
if (ofw_get_property(device, "depth", &depth, sizeof(uint32_t)) <= 0)
return false;
if (depth != 8)
return false;
/* required in order to be able to make a method call */
ihandle screen = ofw_open(device_name);
if (screen == -1)
return false;
/* setup the palette so that the (inverted) 3:2:3 scheme is usable */
unsigned int i;
for (i = 0; i < 256; i++)
ofw_call("call-method", 6, 1, NULL, "color!", screen,
255 - i, CLIP(BLUE(i) * 37), GREEN(i) * 85, CLIP(RED(i) * 37));
return true;
}
 
void ofw_quiesce(void)
{
ofw_call("quiesce", 0, 0, NULL);