本 日 の h o g e

■ [日記] あー

鼻水が止まんねー．

can't stop nose mucus

ah you're my destiny

it's only love

oh yeah

■ [日記] んー

2 週間冷蔵庫の中に放置したミートソースにカビが……． やはりこういうもんは冷凍じゃないとダメだね．

食ったけど．

■ [メモ] asm-i386/system.h

/*
 * Saving eflags is important. It switches not only IOPL between tasks,
 * it also protects other tasks from NT leaking through sysenter etc.
 */
#define switch_to(prev,next,last) do {                                 \
       unsigned long esi,edi;                                          \
       asm volatile("pushfl\n\t"               /* Save flags */        \
                    "pushl %%ebp\n\t"                                  \
                    "movl %%esp,%0\n\t"        /* save ESP */          \
                    "movl %5,%%esp\n\t"        /* restore ESP */       \
                    "movl $1f,%1\n\t"          /* save EIP */          \
                    "pushl %6\n\t"             /* restore EIP */       \
                    "jmp __switch_to\n"                                \
                    "1:\t"                                             \
                    "popl %%ebp\n\t"                                   \
                    "popfl"                                            \
                    :"=m" (prev->thread.esp),"=m" (prev->thread.eip),  \
                     "=a" (last),"=S" (esi),"=D" (edi)                 \
                    :"m" (next->thread.esp),"m" (next->thread.eip),    \
                     "2" (prev), "d" (next));                          \
} while (0)

まあ今はまだ何か分かったような分からんような……という感じだが．