Date: Tue, 24 May 2005 21:56:01 GMT From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 77417 for review Message-ID: <200505242156.j4OLu1FL097262@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=77417 Change 77417 by peter@peter_melody on 2005/05/24 21:55:16 flesh out some more. These might work too. Affected files ... .. //depot/projects/hammer/sys/amd64/ia32/ia32_reg.c#4 edit Differences ... ==== //depot/projects/hammer/sys/amd64/ia32/ia32_reg.c#4 (text+ko) ==== @@ -144,20 +144,53 @@ int set_fpregs32(struct thread *td, struct fpreg32 *regs) { + struct save87 *sv_87 = (struct save87 *)regs; + struct env87 *penv_87 = &sv_87->sv_env; + struct savefpu *sv_fpu = &td->td_pcb->pcb_save; + struct envxmm *penv_xmm = &sv_fpu->sv_env; + int i; + + /* FPU control/status */ + penv_xmm->en_cw = penv_87->en_cw; + penv_xmm->en_sw = penv_87->en_sw; + penv_xmm->en_tw = penv_87->en_tw; + penv_xmm->en_rip = penv_87->en_fip; + /* penv_87->en_fcs and en_fos ignored, see above */ + penv_xmm->en_opcode = penv_87->en_opcode; + penv_xmm->en_rdp = penv_87->en_foo; + + /* FPU registers */ + for (i = 0; i < 8; ++i) + sv_fpu->sv_fp[i].fp_acc = sv_87->sv_ac[i]; + for (i = 8; i < 16; ++i) + bzero(&sv_fpu->sv_fp[i].fp_acc, sizeof(sv_fpu->sv_fp[i].fp_acc)); - return (ENOSYS); + return (0); } int fill_dbregs32(struct thread *td, struct dbreg32 *regs) { + struct dbreg dr; + int err, i; - return (ENOSYS); + err = fill_dbregs(td, &dr); + for (i = 0; i < 8; i++) + regs->dr[i] = dr.dr[i]; + for (i = 8; i < 16; i++) + regs->dr[i] = 0; + return (err); } int set_dbregs32(struct thread *td, struct dbreg32 *regs) { + struct dbreg dr; + int i; - return (ENOSYS); + for (i = 0; i < 8; i++) + dr.dr[i] = regs->dr[i]; + for (i = 8; i < 16; i++) + dr.dr[i] = 0; + return (set_dbregs(td, &dr)); }
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