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Differential D31955 Diff 95141 sys/arm64/arm64/machdep.c

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sys/arm64/arm64/machdep.c

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#ifdef FDT #ifdef FDT
#include <dev/fdt/fdt_common.h> #include <dev/fdt/fdt_common.h>
#include <dev/ofw/openfirm.h> #include <dev/ofw/openfirm.h>
#endif #endif
static void get_fpcontext(struct thread *td, mcontext_t *mcp); static void get_fpcontext(struct thread *td, mcontext_t *mcp);
static void set_fpcontext(struct thread *td, mcontext_t *mcp); static void set_fpcontext(struct thread *td, mcontext_t *mcp);
enum arm64_bus arm64_bus_method = ARM64_BUS_NONE; enum firmware_types firmware_type = FW_NONE;
struct pcpu __pcpu[MAXCPU]; struct pcpu __pcpu[MAXCPU];
static struct trapframe proc0_tf; static struct trapframe proc0_tf;
int early_boot = 1; int early_boot = 1;
int cold = 1; int cold = 1;
static int boot_el; static int boot_el;
▲ Show 20 Lines • Show All 1,079 Lines • ▼ Show 20 Lines#endif
env = kern_getenv("kern.cfg.order"); env = kern_getenv("kern.cfg.order");
if (env != NULL) { if (env != NULL) {
order = env; order = env;
while (order != NULL) { while (order != NULL) {
if (has_acpi && if (has_acpi &&
strncmp(order, "acpi", 4) == 0 && strncmp(order, "acpi", 4) == 0 &&
(order[4] == ',' || order[4] == '\0')) { (order[4] == ',' || order[4] == '\0')) {
arm64_bus_method = ARM64_BUS_ACPI; firmware_type = FW_UEFI;
break; break;
} }
if (has_fdt && if (has_fdt &&
strncmp(order, "fdt", 3) == 0 && strncmp(order, "fdt", 3) == 0 &&
(order[3] == ',' || order[3] == '\0')) { (order[3] == ',' || order[3] == '\0')) {
arm64_bus_method = ARM64_BUS_FDT; firmware_type = FW_DEVTREE;
break; break;
} }
order = strchr(order, ','); order = strchr(order, ',');
} }
freeenv(env); freeenv(env);
/* If we set the bus method it is valid */ /* If we set the bus method it is valid */
if (arm64_bus_method != ARM64_BUS_NONE) if (firmware_type != FW_NONE)
return (true); return (true);
} }
/* If no order or an invalid order was set use the default */ /* If no order or an invalid order was set use the default */
if (arm64_bus_method == ARM64_BUS_NONE) { if (firmware_type == FW_NONE) {
if (has_fdt) if (has_fdt)
arm64_bus_method = ARM64_BUS_FDT; firmware_type = FW_DEVTREE;
else if (has_acpi) else if (has_acpi)
arm64_bus_method = ARM64_BUS_ACPI; firmware_type = FW_UEFI;
} }
/* /*
* If no option was set the default is valid, otherwise we are * If no option was set the default is valid, otherwise we are
* setting one to get cninit() working, then calling panic to tell * setting one to get cninit() working, then calling panic to tell
* the user about the invalid bus setup. * the user about the invalid bus setup.
*/ */
return (env == NULL); return (env == NULL);
▲ Show 20 Lines • Show All 185 Lines • ▼ Show 20 Lines#endif
kcsan_cpu_init(0); kcsan_cpu_init(0);
env = kern_getenv("kernelname"); env = kern_getenv("kernelname");
if (env != NULL) if (env != NULL)
strlcpy(kernelname, env, sizeof(kernelname)); strlcpy(kernelname, env, sizeof(kernelname));
#ifdef FDT #ifdef FDT
if (arm64_bus_method == ARM64_BUS_FDT) { if (firmware_type == FW_DEVTREE) {
root = OF_finddevice("/"); root = OF_finddevice("/");
if (OF_getprop(root, "freebsd,dts-version", dts_version, sizeof(dts_version)) > 0) { if (OF_getprop(root, "freebsd,dts-version", dts_version, sizeof(dts_version)) > 0) {
if (strcmp(LINUX_DTS_VERSION, dts_version) != 0) if (strcmp(LINUX_DTS_VERSION, dts_version) != 0)
printf("WARNING: DTB version is %s while kernel expects %s, " printf("WARNING: DTB version is %s while kernel expects %s, "
"please update the DTB in the ESP\n", "please update the DTB in the ESP\n",
dts_version, dts_version,
LINUX_DTS_VERSION); LINUX_DTS_VERSION);
} else { } else {
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