/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_FREE_COPYRIGHT@
*/
#include <pexpert/pexpert.h>
+#include <pexpert/protos.h>
+#include <pexpert/device_tree.h>
#include <kern/debug.h>
+#if CONFIG_EMBEDDED
+#include <libkern/section_keywords.h>
+#endif
+
static int DEBUGFlag;
+#if CONFIG_EMBEDDED
+SECURITY_READ_ONLY_LATE(static uint32_t) gPEKernelConfigurationBitmask;
+#else
+static uint32_t gPEKernelConfigurationBitmask;
+#endif
+
int32_t gPESerialBaud = -1;
+int debug_cpu_performance_degradation_factor = 1;
+
void pe_init_debug(void)
{
- if (!PE_parse_boot_arg("debug", &DEBUGFlag))
- DEBUGFlag = 0;
+ boolean_t boot_arg_value;
+
+ if (!PE_parse_boot_argn("debug", &DEBUGFlag, sizeof (DEBUGFlag)))
+ DEBUGFlag = 0;
+
+ gPEKernelConfigurationBitmask = 0;
+
+ if (!PE_parse_boot_argn("assertions", &boot_arg_value, sizeof(boot_arg_value))) {
+#if MACH_ASSERT
+ boot_arg_value = TRUE;
+#else
+ boot_arg_value = FALSE;
+#endif
+ }
+ gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasAssertions : 0);
+
+ if (!PE_parse_boot_argn("statistics", &boot_arg_value, sizeof(boot_arg_value))) {
+#if DEVELOPMENT || DEBUG
+ boot_arg_value = TRUE;
+#else
+ boot_arg_value = FALSE;
+#endif
+ }
+ gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasStatistics : 0);
+
+#if SECURE_KERNEL
+ boot_arg_value = FALSE;
+#else
+ if (!PE_i_can_has_debugger(NULL)) {
+ boot_arg_value = FALSE;
+ } else if (!PE_parse_boot_argn("diagnostic_api", &boot_arg_value, sizeof(boot_arg_value))) {
+ boot_arg_value = TRUE;
+ }
+#endif
+ gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasDiagnosticAPI : 0);
+
+
+ int factor = 1;
+ boolean_t have_bootarg = PE_parse_boot_argn("cpu-factor", &factor, sizeof (factor));
+ if (have_bootarg) {
+ debug_cpu_performance_degradation_factor = factor;
+ } else {
+ DTEntry root;
+ if (DTLookupEntry(NULL, "/", &root) == kSuccess) {
+ void *prop = NULL;
+ uint32_t size = 0;
+ if (DTGetProperty(root, "target-is-fpga", &prop, &size) == kSuccess) {
+ debug_cpu_performance_degradation_factor = 10;
+ }
+ }
+ }
}
-void PE_enter_debugger(char *cause)
+void PE_enter_debugger(const char *cause)
{
if (DEBUGFlag & DB_NMI)
Debugger(cause);
}
+uint32_t
+PE_i_can_has_kernel_configuration(void)
+{
+ return gPEKernelConfigurationBitmask;
+}
+
/* extern references */
-extern void cnputc(char c);
extern void vcattach(void);
/* Globals */
-void (*PE_putc)(char c) = 0;
+void (*PE_putc)(char c);
void PE_init_printf(boolean_t vm_initialized)
{
}
}
+uint32_t
+PE_get_random_seed(unsigned char *dst_random_seed, uint32_t request_size)
+{
+ DTEntry entryP;
+ uint32_t size = 0;
+ void *dt_random_seed;
+
+ if ((DTLookupEntry(NULL, "/chosen", &entryP) == kSuccess)
+ && (DTGetProperty(entryP, "random-seed",
+ (void **)&dt_random_seed, &size) == kSuccess)) {
+ unsigned char *src_random_seed;
+ unsigned int i;
+ unsigned int null_count = 0;
+
+ src_random_seed = (unsigned char *)dt_random_seed;
+
+ if (size > request_size) size = request_size;
+
+ /*
+ * Copy from the device tree into the destination buffer,
+ * count the number of null bytes and null out the device tree.
+ */
+ for (i=0 ; i< size; i++, src_random_seed++, dst_random_seed++) {
+ *dst_random_seed = *src_random_seed;
+ null_count += *src_random_seed == (unsigned char)0;
+ *src_random_seed = (unsigned char)0;
+ }
+ if (null_count == size)
+ /* All nulls is no seed - return 0 */
+ size = 0;
+ }
+
+ return(size);
+}
+
unsigned char appleClut8[ 256 * 3 ] = {
// 00
0xFF,0xFF,0xFF, 0xFF,0xFF,0xCC, 0xFF,0xFF,0x99, 0xFF,0xFF,0x66,
0xAA,0xAA,0xAA, 0x88,0x88,0x88, 0x77,0x77,0x77, 0x55,0x55,0x55,
0x44,0x44,0x44, 0x22,0x22,0x22, 0x11,0x11,0x11, 0x00,0x00,0x00
};
+
projects / apple / xnu.git / blobdiff