From 94dd4f6cdfa1d1aba18f8259ebb10ea52a344322 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Tue, 17 Feb 2009 20:39:44 +0000 Subject: [PATCH] 2009-02-17 Joel Sherrill * rtems/score/sh.h: SH2E and SH3E have a DSP rather than an FPU. They are not compatible. We currently only support the FPU found on the SH3 and SH4. --- cpukit/score/cpu/sh/ChangeLog | 6 ++++++ cpukit/score/cpu/sh/rtems/score/sh.h | 8 ++++++-- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/cpukit/score/cpu/sh/ChangeLog b/cpukit/score/cpu/sh/ChangeLog index 4ae86c5c31..45982b36fe 100644 --- a/cpukit/score/cpu/sh/ChangeLog +++ b/cpukit/score/cpu/sh/ChangeLog @@ -1,3 +1,9 @@ +2009-02-17 Joel Sherrill + + * rtems/score/sh.h: SH2E and SH3E have a DSP rather than an FPU. They + are not compatible. We currently only support the FPU found on the + SH3 and SH4. + 2009-02-12 Joel Sherrill * cpu.c, rtems/score/cpu.h: Change prototype of IDLE thread to diff --git a/cpukit/score/cpu/sh/rtems/score/sh.h b/cpukit/score/cpu/sh/rtems/score/sh.h index b19855abe1..32b7d6b05a 100644 --- a/cpukit/score/cpu/sh/rtems/score/sh.h +++ b/cpukit/score/cpu/sh/rtems/score/sh.h @@ -46,8 +46,12 @@ extern "C" { * predefines. */ -#if defined(__SH2E__) || defined(__SH3E__) || \ - defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) +#if defined(__SH2E__) || defined(__SH3E__) + +/* FIXME: SH-DSP context not currently supported */ +#define SH_HAS_FPU 0 + +#elif defined(__SH4__) || defined(__SH4_SINGLE_ONLY__) /* * Define this if you want to use XD-registers.