Date: Fri, 20 Sep 2002 22:05:18 -0700 (PDT) From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 17830 for review Message-ID: <200209210505.g8L55IBJ034663@freefall.freebsd.org>
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http://people.freebsd.org/~peter/p4db/chv.cgi?CH=17830 Change 17830 by peter@peter_daintree on 2002/09/20 22:04:40 remove traces of GPRIV_SEL - we dont need this crud. We can either use a pointer register, or use the hammer's swapgs stuff which has a flat 64 bit base arrangement that doesn't use segments. Affected files ... .. //depot/projects/hammer/sys/x86_64/x86_64/genassym.c#5 edit .. //depot/projects/hammer/sys/x86_64/x86_64/machdep.c#13 edit Differences ... ==== //depot/projects/hammer/sys/x86_64/x86_64/genassym.c#5 (text+ko) ==== @@ -187,7 +187,6 @@ ASSYM(KCSEL, GSEL(GCODE_SEL, SEL_KPL)); ASSYM(KDSEL, GSEL(GDATA_SEL, SEL_KPL)); -ASSYM(KPSEL, GSEL(GPRIV_SEL, SEL_KPL)); ASSYM(GPROC0_SEL, GPROC0_SEL); ==== //depot/projects/hammer/sys/x86_64/x86_64/machdep.c#13 (text+ko) ==== @@ -1156,10 +1156,6 @@ */ gdt_segs[GCODE_SEL].ssd_limit = atop(0 - 1); gdt_segs[GDATA_SEL].ssd_limit = atop(0 - 1); - pc = &__pcpu; - gdt_segs[GPRIV_SEL].ssd_limit = - atop(sizeof(struct pcpu) - 1); - gdt_segs[GPRIV_SEL].ssd_base = (int) pc; gdt_segs[GPROC0_SEL].ssd_base = (int) &pc->pc_common_tss; for (x = 0; x < NGDT; x++) @@ -1169,6 +1165,7 @@ r_gdt.rd_base = (int) gdt; lgdt(&r_gdt); + pc = &__pcpu; pcpu_init(pc, 0, sizeof(struct pcpu)); PCPU_SET(prvspace, pc); PCPU_SET(curthread, &thread0); @@ -1292,9 +1289,8 @@ dblfault_tss.tss_cr3 = (int)IdlePTD; dblfault_tss.tss_eip = (int)dblfault_handler; dblfault_tss.tss_eflags = PSL_KERNEL; - dblfault_tss.tss_ds = dblfault_tss.tss_es = + dblfault_tss.tss_ds = dblfault_tss.tss_es = dblfault_tss.tss_fs = dblfault_tss.tss_gs = GSEL(GDATA_SEL, SEL_KPL); - dblfault_tss.tss_fs = GSEL(GPRIV_SEL, SEL_KPL); dblfault_tss.tss_cs = GSEL(GCODE_SEL, SEL_KPL); dblfault_tss.tss_ldt = GSEL(GLDT_SEL, SEL_KPL); To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe p4-projects" in the body of the message
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