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authorGraf Yang <graf.yang@analog.com>2008-11-18 17:48:22 +0800
committerBryan Wu <cooloney@kernel.org>2008-11-18 17:48:22 +0800
commit8f65873e47784a390949f0d61e5692dbf2a8253e (patch)
tree4d9509bf5e52ebac190d79de04b783829d44f49e /arch/blackfin/kernel/asm-offsets.c
parentb8a989893cbdeb6c97a7b5af5f38fb0e480235f9 (diff)
Blackfin arch: SMP supporting patchset: Blackfin kernel and memory management code
Blackfin dual core BF561 processor can support SMP like features. https://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:smp-like In this patch, we provide SMP extend to Blackfin kernel and memory management code Singed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/kernel/asm-offsets.c')
-rw-r--r--arch/blackfin/kernel/asm-offsets.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c
index 9bb85dd5ccb3..b5df9459d6d5 100644
--- a/arch/blackfin/kernel/asm-offsets.c
+++ b/arch/blackfin/kernel/asm-offsets.c
@@ -56,6 +56,9 @@ int main(void)
/* offsets into the thread struct */
DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
+ DEFINE(THREAD_SR, offsetof(struct thread_struct, seqstat));
+ DEFINE(PT_SR, offsetof(struct thread_struct, seqstat));
+ DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
DEFINE(THREAD_PC, offsetof(struct thread_struct, pc));
DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE);
@@ -128,5 +131,31 @@ int main(void)
DEFINE(SIGSEGV, SIGSEGV);
DEFINE(SIGTRAP, SIGTRAP);
+ /* PDA management (in L1 scratchpad) */
+ DEFINE(PDA_SYSCFG, offsetof(struct blackfin_pda, syscfg));
+#ifdef CONFIG_SMP
+ DEFINE(PDA_IRQFLAGS, offsetof(struct blackfin_pda, imask));
+#endif
+ DEFINE(PDA_IPDT, offsetof(struct blackfin_pda, ipdt));
+ DEFINE(PDA_IPDT_SWAPCOUNT, offsetof(struct blackfin_pda, ipdt_swapcount));
+ DEFINE(PDA_DPDT, offsetof(struct blackfin_pda, dpdt));
+ DEFINE(PDA_DPDT_SWAPCOUNT, offsetof(struct blackfin_pda, dpdt_swapcount));
+ DEFINE(PDA_EXIPTR, offsetof(struct blackfin_pda, ex_iptr));
+ DEFINE(PDA_EXOPTR, offsetof(struct blackfin_pda, ex_optr));
+ DEFINE(PDA_EXBUF, offsetof(struct blackfin_pda, ex_buf));
+ DEFINE(PDA_EXIMASK, offsetof(struct blackfin_pda, ex_imask));
+ DEFINE(PDA_EXSTACK, offsetof(struct blackfin_pda, ex_stack));
+#ifdef ANOMALY_05000261
+ DEFINE(PDA_LFRETX, offsetof(struct blackfin_pda, last_cplb_fault_retx));
+#endif
+ DEFINE(PDA_DCPLB, offsetof(struct blackfin_pda, dcplb_fault_addr));
+ DEFINE(PDA_ICPLB, offsetof(struct blackfin_pda, icplb_fault_addr));
+ DEFINE(PDA_RETX, offsetof(struct blackfin_pda, retx));
+ DEFINE(PDA_SEQSTAT, offsetof(struct blackfin_pda, seqstat));
+#ifdef CONFIG_SMP
+ /* Inter-core lock (in L2 SRAM) */
+ DEFINE(SIZEOF_CORELOCK, sizeof(struct corelock_slot));
+#endif
+
return 0;
}