From 8311f8dc8ec2bdc968fe44ec7371310532880e7f Mon Sep 17 00:00:00 2001 From: gdisirio Date: Wed, 6 Feb 2013 10:49:25 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5120 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/ports/GCC/PPC/SPC56ELxx/bam.s | 32 -------------------------------- os/ports/GCC/PPC/SPC56ELxx/core.s | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+), 32 deletions(-) diff --git a/os/ports/GCC/PPC/SPC56ELxx/bam.s b/os/ports/GCC/PPC/SPC56ELxx/bam.s index 9bcb9acf4..bccf5d0c5 100644 --- a/os/ports/GCC/PPC/SPC56ELxx/bam.s +++ b/os/ports/GCC/PPC/SPC56ELxx/bam.s @@ -83,38 +83,6 @@ b .cleareccloop .cleareccend: - /* Special function registers clearing, required in order to avoid - possible problems with lockstep mode.*/ - mtcrf 0xFF, %r31 - mtspr 8, %r31 /* LR */ - mtspr 9, %r31 /* CTR */ - - mtspr 272, %r31 /* SPRG1-7 */ - mtspr 273, %r31 - mtspr 274, %r31 - mtspr 275, %r31 - mtspr 276, %r31 - mtspr 277, %r31 - mtspr 278, %r31 - mtspr 279, %r31 - mtspr 604, %r31 /* SPRG8-9 */ - mtspr 605, %r31 - mtspr 26, %r31 /* SRR0-1 */ - mtspr 27, %r31 - mtspr 58, %r31 /* CSRR0-1 */ - mtspr 59, %r31 - mtspr 61, %r31 /* DEAR */ - mtspr 22, %r31 /* DEC */ - mtspr 54, %r31 /* DECAR */ - mtspr 285, %r31 /* TBU */ - mtspr 284, %r31 /* TBL */ - mtspr 570, %r31 /* MCSRR0 */ - mtspr 571, %r31 /* MCSRR1 */ - mtspr 256, %r31 /* USPRG0 */ - mtspr 562, %r31 /* DBCNT */ - mtspr 318, %r31 /* DVC1-2 */ - mtspr 319, %r31 - /* HW configuration.*/ bl _coreinit diff --git a/os/ports/GCC/PPC/SPC56ELxx/core.s b/os/ports/GCC/PPC/SPC56ELxx/core.s index 3d1bfb021..4d24e7ff9 100644 --- a/os/ports/GCC/PPC/SPC56ELxx/core.s +++ b/os/ports/GCC/PPC/SPC56ELxx/core.s @@ -197,6 +197,40 @@ _unhandled_exception: .globl _coreinit .type _coreinit, @function _coreinit: + /* + * Special function registers clearing, required in order to avoid + * possible problems with lockstep mode. + */ + xor %r31, %r31, %r31 + mtcrf 0xFF, %r31 + mtspr 8, %r31 /* LR */ + mtspr 9, %r31 /* CTR */ + mtspr 22, %r31 /* DEC */ + mtspr 26, %r31 /* SRR0-1 */ + mtspr 27, %r31 + mtspr 54, %r31 /* DECAR */ + mtspr 58, %r31 /* CSRR0-1 */ + mtspr 59, %r31 + mtspr 61, %r31 /* DEAR */ + mtspr 256, %r31 /* USPRG0 */ + mtspr 272, %r31 /* SPRG1-7 */ + mtspr 273, %r31 + mtspr 274, %r31 + mtspr 275, %r31 + mtspr 276, %r31 + mtspr 277, %r31 + mtspr 278, %r31 + mtspr 279, %r31 + mtspr 285, %r31 /* TBU */ + mtspr 284, %r31 /* TBL */ + mtspr 318, %r31 /* DVC1-2 */ + mtspr 319, %r31 + mtspr 562, %r31 /* DBCNT */ + mtspr 570, %r31 /* MCSRR0 */ + mtspr 571, %r31 /* MCSRR1 */ + mtspr 604, %r31 /* SPRG8-9 */ + mtspr 605, %r31 + /* MSR initialization.*/ lis %r3, MSR_DEFAULT@h ori %r3, %r3, MSR_DEFAULT@l -- cgit v1.2.3