X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fthreads%2Finit.c;h=f2476124da7d2a0a7a597d312da5715cb1985943;hb=44d0fa6a2b24a84e5eb0d54959ed91c1d4f15343;hp=f7702cd365e423ed44ff0ed2221c26c59bd687cc;hpb=8ca3547f6c4d6d01a76d3ce642a0c1bf884c4c2a;p=pintos-anon diff --git a/src/threads/init.c b/src/threads/init.c index f7702cd..f247612 100644 --- a/src/threads/init.c +++ b/src/threads/init.c @@ -57,8 +57,8 @@ main (void) /* Memory from the end of the kernel through the end of memory is free. Give it to the page allocator. */ - palloc_init ((void *) (KERN_BASE + kernel_pages * NBPG), - (void *) (PHYS_BASE + ram_pages * NBPG)); + palloc_init ((void *) (KERN_BASE + kernel_pages * PGSIZE), + (void *) (PHYS_BASE + ram_pages * PGSIZE)); paging_init (); gdt_init (); @@ -71,7 +71,6 @@ main (void) #ifdef FILESYS filesys_init (false); - filesys_self_test (); #endif thread_init (); @@ -94,13 +93,13 @@ make_seg_desc (uint32_t base, uint32_t e0 = ((limit & 0xffff) /* Limit 15:0. */ | (base << 16)); /* Base 15:0. */ uint32_t e1 = (((base >> 16) & 0xff) /* Base 23:16. */ - | ( system << 12) /* 0=system, 1=code/data. */ - | ( type << 8) /* Segment type. */ + | (system << 12) /* 0=system, 1=code/data. */ + | (type << 8) /* Segment type. */ | (dpl << 13) /* Descriptor privilege. */ | (1 << 15) /* Present. */ | (limit & 0xf0000) /* Limit 16:19. */ | (1 << 22) /* 32-bit segment. */ - | ( granularity << 23) /* Byte/page granularity. */ + | (granularity << 23) /* Byte/page granularity. */ | (base & 0xff000000)); /* Base 31:24. */ return e0 | ((uint64_t) e1 << 32); } @@ -120,9 +119,10 @@ make_data_desc (int dpl) } static uint64_t -make_tss_desc (uint32_t base) +make_tss_desc (void *vaddr) { - return make_seg_desc (base, 0x67, SYS_SYSTEM, TYPE_TSS_32_A, 0, GRAN_BYTE); + return make_seg_desc ((uint32_t) vaddr, + 0x67, SYS_SYSTEM, TYPE_TSS_32_A, 0, GRAN_BYTE); } uint64_t gdt[SEL_CNT]; @@ -150,7 +150,7 @@ gdt_init (void) gdt[SEL_KDSEG / sizeof *gdt] = make_data_desc (0); gdt[SEL_UCSEG / sizeof *gdt] = make_code_desc (3); gdt[SEL_UDSEG / sizeof *gdt] = make_data_desc (3); - gdt[SEL_TSS / sizeof *gdt] = make_tss_desc (vtop (tss)); + gdt[SEL_TSS / sizeof *gdt] = make_tss_desc (tss); /* Load GDTR, TR. */ gdtr_operand = make_dtr_operand (sizeof gdt - 1, gdt);