From: David van Moolenbroek Date: Wed, 2 Dec 2009 23:12:46 +0000 (+0000) Subject: FPU: fix field names, compiler warning, long lines X-Git-Tag: v3.1.6~173 X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/doc/processing.js?a=commitdiff_plain;h=fe982ca684a1f251a34d7d15b3a7d67d1db2f930;p=minix.git FPU: fix field names, compiler warning, long lines --- diff --git a/include/minix/cpufeature.h b/include/minix/cpufeature.h index 1f733f868..94e77f81a 100644 --- a/include/minix/cpufeature.h +++ b/include/minix/cpufeature.h @@ -7,7 +7,9 @@ #define _CPUF_I386_PGE 2 /* Page Global Enable */ #define _CPUF_I386_APIC_ON_CHIP 3 /* APIC is present on the chip */ #define _CPUF_I386_TSC 4 /* Timestamp counter present */ -#define _CPUF_I386_SSEx 5 /* Support for SSE/SSE2/SSE3/SSSE3/SSE4 Extensions and FXSR */ +#define _CPUF_I386_SSEx 5 /* Support for SSE/SSE2/SSE3/SSSE3/SSE4 + * Extensions and FXSR + */ #define _CPUF_I386_FXSR 6 #define _CPUF_I386_SSE 7 #define _CPUF_I386_SSE2 8 diff --git a/include/sys/sigcontext.h b/include/sys/sigcontext.h index 42fd1b9f1..def987187 100644 --- a/include/sys/sigcontext.h +++ b/include/sys/sigcontext.h @@ -42,11 +42,13 @@ struct sigframe { /* stack frame created for signalled process */ #endif /* _MINIX_CHIP == _CHIP_INTEL */ struct sigcontext { - int sc_flags; /* sigstack state to restore (including MF_FPU_INITIALIZED) */ + int sc_flags; /* sigstack state to restore (including + * MF_FPU_INITIALIZED) + */ long sc_mask; /* signal mask to restore */ sigregs sc_regs; /* register set to restore */ #if (_MINIX_CHIP == _CHIP_INTEL) - union fpu_state_u fpu_state; + union fpu_state_u sc_fpu_state; #endif }; diff --git a/kernel/arch/i386/system.c b/kernel/arch/i386/system.c index 0ca6a7092..d69b2af10 100644 --- a/kernel/arch/i386/system.c +++ b/kernel/arch/i386/system.c @@ -159,17 +159,19 @@ PUBLIC void arch_init(void) osfxsr_feature = 1; for (rp = BEG_PROC_ADDR; rp < END_PROC_ADDR; ++rp) { - /* FXSR requires 16-byte alignment of memory image, - * but unfortunately some old tools (probably linker) - * ignores ".balign 16" applied to our memory image. + /* FXSR requires 16-byte alignment of memory + * image, but unfortunately some old tools + * (probably linker) ignores ".balign 16" + * applied to our memory image. * Thus we have to do manual alignment. */ - aligned_fp_area = (phys_bytes) &rp->fpu_state.fpu_image; + aligned_fp_area = + (phys_bytes) &rp->p_fpu_state.fpu_image; if(aligned_fp_area % FPUALIGN) { aligned_fp_area += FPUALIGN - (aligned_fp_area % FPUALIGN); } - rp->fpu_state.fpu_save_area_p = + rp->p_fpu_state.fpu_save_area_p = (void *) aligned_fp_area; } } else { diff --git a/kernel/proc.h b/kernel/proc.h index 0aa1ed2b2..4606b5717 100644 --- a/kernel/proc.h +++ b/kernel/proc.h @@ -18,7 +18,7 @@ struct proc { struct stackframe_s p_reg; /* process' registers saved in stack frame */ - struct fpu_state_s fpu_state; /* process' fpu_regs saved lazily */ + struct fpu_state_s p_fpu_state; /* process' fpu_regs saved lazily */ struct segframe p_seg; /* segment descriptors */ proc_nr_t p_nr; /* number of this process (for fast access) */ struct priv *p_priv; /* system privileges structure */ diff --git a/kernel/system/do_fork.c b/kernel/system/do_fork.c index 69b3439de..6d9c39cb0 100644 --- a/kernel/system/do_fork.c +++ b/kernel/system/do_fork.c @@ -11,6 +11,7 @@ #include "../system.h" #include "../vm.h" #include +#include #include @@ -60,15 +61,15 @@ register message *m_ptr; /* pointer to request message */ gen = _ENDPOINT_G(rpc->p_endpoint); #if (_MINIX_CHIP == _CHIP_INTEL) old_ldt_sel = rpc->p_seg.p_ldt_sel; /* backup local descriptors */ - old_fpu_save_area_p = rpc->fpu_state.fpu_save_area_p; + old_fpu_save_area_p = rpc->p_fpu_state.fpu_save_area_p; #endif *rpc = *rpp; /* copy 'proc' struct */ #if (_MINIX_CHIP == _CHIP_INTEL) rpc->p_seg.p_ldt_sel = old_ldt_sel; /* restore descriptors */ - rpc->fpu_state.fpu_save_area_p = old_fpu_save_area_p; + rpc->p_fpu_state.fpu_save_area_p = old_fpu_save_area_p; if(rpp->p_misc_flags & MF_FPU_INITIALIZED) - memcpy(rpc->fpu_state.fpu_save_area_p, - rpp->fpu_state.fpu_save_area_p, + memcpy(rpc->p_fpu_state.fpu_save_area_p, + rpp->p_fpu_state.fpu_save_area_p, FPU_XFP_SIZE); #endif if(++gen >= _ENDPOINT_MAX_GENERATION) /* increase generation */ diff --git a/kernel/system/do_sigreturn.c b/kernel/system/do_sigreturn.c index 086a9bd32..537a45990 100644 --- a/kernel/system/do_sigreturn.c +++ b/kernel/system/do_sigreturn.c @@ -58,7 +58,8 @@ message *m_ptr; /* pointer to request message */ #if (_MINIX_CHIP == _CHIP_INTEL) if(sc.sc_flags & MF_FPU_INITIALIZED) { - memcpy(rp->fpu_state.fpu_save_area_p, &sc.fpu_state, FPU_XFP_SIZE); + memcpy(rp->p_fpu_state.fpu_save_area_p, &sc.sc_fpu_state, + FPU_XFP_SIZE); rp->p_misc_flags |= MF_FPU_INITIALIZED; /* Restore math usage flag. */ } #endif diff --git a/kernel/system/do_sigsend.c b/kernel/system/do_sigsend.c index 91706ac3a..7d5c6cef5 100644 --- a/kernel/system/do_sigsend.c +++ b/kernel/system/do_sigsend.c @@ -49,7 +49,8 @@ message *m_ptr; /* pointer to request message */ memcpy(&sc.sc_regs, (char *) &rp->p_reg, sizeof(sigregs)); #if (_MINIX_CHIP == _CHIP_INTEL) if(rp->p_misc_flags & MF_FPU_INITIALIZED) - memcpy(&sc.fpu_state, rp->fpu_state.fpu_save_area_p, FPU_XFP_SIZE); + memcpy(&sc.sc_fpu_state, rp->p_fpu_state.fpu_save_area_p, + FPU_XFP_SIZE); #endif /* Finish the sigcontext initialization. */ @@ -71,11 +72,11 @@ message *m_ptr; /* pointer to request message */ #if (_MINIX_CHIP == _CHIP_INTEL) if (osfxsr_feature == 1) { - fp_error = sc.fpu_state.xfp_regs.fp_status & - ~sc.fpu_state.xfp_regs.fp_control; + fp_error = sc.sc_fpu_state.xfp_regs.fp_status & + ~sc.sc_fpu_state.xfp_regs.fp_control; } else { - fp_error = sc.fpu_state.fpu_regs.fp_status & - ~sc.fpu_state.fpu_regs.fp_control; + fp_error = sc.sc_fpu_state.fpu_regs.fp_status & + ~sc.sc_fpu_state.fpu_regs.fp_control; } if (fp_error & 0x001) { /* Invalid op */