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| author | Andrew Waterman <waterman@s144.Millennium.Berkeley.EDU> | 2011-04-09 17:37:42 -0700 |
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| committer | Andrew Waterman <waterman@s144.Millennium.Berkeley.EDU> | 2011-04-09 17:37:42 -0700 |
| commit | 6e7fe98ea95c6da8c573fdc032b5269f08bbacc1 (patch) | |
| tree | e0f0f3c73ad8785a95a6e8d22c96b5430370bb56 /pk/riscv-pk.c | |
| parent | 666ae0c9e5355e578c2487b81f48b4b74cc16dda (diff) | |
| download | pk-6e7fe98ea95c6da8c573fdc032b5269f08bbacc1.zip pk-6e7fe98ea95c6da8c573fdc032b5269f08bbacc1.tar.gz pk-6e7fe98ea95c6da8c573fdc032b5269f08bbacc1.tar.bz2 | |
[xcc,pk,sim,opcodes] added first RVC instruction
Diffstat (limited to 'pk/riscv-pk.c')
| -rw-r--r-- | pk/riscv-pk.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/pk/riscv-pk.c b/pk/riscv-pk.c index df6e94b..5392100 100644 --- a/pk/riscv-pk.c +++ b/pk/riscv-pk.c @@ -4,7 +4,7 @@ void __attribute__((section(".boottext"))) __start() { extern char stack_top; - asm("move $sp,%0" : : "r"(&stack_top-64)); + asm volatile("move $sp,%0" : : "r"(&stack_top-64) : "memory"); extern char trap_entry; register void* te = &trap_entry; @@ -13,10 +13,9 @@ void __attribute__((section(".boottext"))) __start() mtpcr(0,PCR_COUNT); mtpcr(0,PCR_COMPARE); - register long sr0 = SR_S | SR_PS | SR_ET | SR_IM; - #ifdef PK_ENABLE_KERNEL_64BIT + register long sr0 = SR_S | SR_PS | SR_ET | SR_IM | SR_SC; + if(sizeof(void*) == 8) sr0 |= SR_SX; - #endif mtpcr(sr0 | SR_EF, PCR_SR); have_fp = mfpcr(PCR_SR) & SR_EF; |