/kernel/trunk/arch/amd64/include/mm/as.h |
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34,7 → 34,7 |
#define KERNEL_ADDRESS_SPACE_START_ARCH (__address) 0xffffffff80000000 |
#define KERNEL_ADDRESS_SPACE_END_ARCH (__address) 0xffffffffffffffff |
#define USER_ADDRESS_SPACE_START_ARCH (__address) 0x0000000000000000 |
#define USER_ADDRESS_SPACE_END_ARCH (__address) 0x00008fffffffffff |
#define USER_ADDRESS_SPACE_END_ARCH (__address) 0x00007fffffffffff |
#define UTEXT_ADDRESS_ARCH 0x00001000 |
#define USTACK_ADDRESS_ARCH (USER_ADDRESS_SPACE_END_ARCH-(PAGE_SIZE-1)) |
/kernel/trunk/arch/amd64/src/userspace.c |
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57,7 → 57,11 |
"pushq %%rdx;" |
"pushq %%rsi;" |
"iretq;" |
: : "i" (gdtselector(UDATA_DES) | PL_USER), "i" (USTACK_ADDRESS+THREAD_STACK_SIZE), "r" (ipl), "i" (gdtselector(UTEXT_DES) | PL_USER), "i" (UTEXT_ADDRESS)); |
: : "i" (gdtselector(UDATA_DES) | PL_USER), |
"i" (USTACK_ADDRESS+THREAD_STACK_SIZE), |
"r" (ipl), |
"i" (gdtselector(UTEXT_DES) | PL_USER), |
"i" (UTEXT_ADDRESS)); |
/* Unreachable */ |
for(;;); |