Differential D21940 Diff 63037 sys/riscv/riscv/machdep.c

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sys/riscv/riscv/machdep.c

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u_int physmap_idx;		u_int physmap_idx;

struct kva_md_info kmi;		struct kva_md_info kmi;

int64_t dcache_line_size; /* The minimum D cache line size */		int64_t dcache_line_size; /* The minimum D cache line size */
int64_t icache_line_size; /* The minimum I cache line size */		int64_t icache_line_size; /* The minimum I cache line size */
int64_t idcache_line_size; /* The minimum cache line size */		int64_t idcache_line_size; /* The minimum cache line size */

uint32_t boot_hart; /* The hart we booted on. */		uint32_t boot_hart; /* The hart we booted on. */
cpuset_t all_harts;		cpuset_t all_harts;
		u_int cpuid_hart_map[MAXCPU]; /* Mapping between cpuid and hart number */

extern int *end;		extern int *end;
extern int *initstack_end;		extern int *initstack_end;

static void		static void
cpu_startup(void *dummy)		cpu_startup(void *dummy)
{		{

▲ Show 20 Lines • Show All 709 Lines • ▼ Show 20 Lines	initriscv(struct riscv_bootparams *rvbp)
pcpup = &__pcpu[0];		pcpup = &__pcpu[0];
pcpu_init(pcpup, 0, sizeof(struct pcpu));		pcpu_init(pcpup, 0, sizeof(struct pcpu));
pcpup->pc_hart = boot_hart;		pcpup->pc_hart = boot_hart;

/* Set the pcpu pointer */		/* Set the pcpu pointer */
__asm __volatile("mv tp, %0" :: "r"(pcpup));		__asm __volatile("mv tp, %0" :: "r"(pcpup));

PCPU_SET(curthread, &thread0);		PCPU_SET(curthread, &thread0);

		/* Set the boot hart mapping */
		cpuid_hart_map[0] = boot_hart;

/* Set the module data location */		/* Set the module data location */
lastaddr = fake_preload_metadata(rvbp);		lastaddr = fake_preload_metadata(rvbp);

/* Find the kernel address */		/* Find the kernel address */
kmdp = preload_search_by_type("elf kernel");		kmdp = preload_search_by_type("elf kernel");
if (kmdp == NULL)		if (kmdp == NULL)
kmdp = preload_search_by_type("elf64 kernel");		kmdp = preload_search_by_type("elf64 kernel");
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