diff options
Diffstat (limited to 'arch/mips/include/asm')
| -rw-r--r-- | arch/mips/include/asm/elf.h | 9 | ||||
| -rw-r--r-- | arch/mips/include/asm/fpu.h | 4 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/octeon-feature.h | 3 | ||||
| -rw-r--r-- | arch/mips/include/asm/processor.h | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/stackframe.h | 4 | ||||
| -rw-r--r-- | arch/mips/include/asm/syscall.h | 4 |
6 files changed, 17 insertions, 9 deletions
diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h index cefb7a5..e090fc3 100644 --- a/arch/mips/include/asm/elf.h +++ b/arch/mips/include/asm/elf.h @@ -227,7 +227,7 @@ struct mips_elf_abiflags_v0 { int __res = 1; \ struct elfhdr *__h = (hdr); \ \ - if (__h->e_machine != EM_MIPS) \ + if (!mips_elf_check_machine(__h)) \ __res = 0; \ if (__h->e_ident[EI_CLASS] != ELFCLASS32) \ __res = 0; \ @@ -258,7 +258,7 @@ struct mips_elf_abiflags_v0 { int __res = 1; \ struct elfhdr *__h = (hdr); \ \ - if (__h->e_machine != EM_MIPS) \ + if (!mips_elf_check_machine(__h)) \ __res = 0; \ if (__h->e_ident[EI_CLASS] != ELFCLASS64) \ __res = 0; \ @@ -285,6 +285,11 @@ struct mips_elf_abiflags_v0 { #endif /* !defined(ELF_ARCH) */ +#define mips_elf_check_machine(x) ((x)->e_machine == EM_MIPS) + +#define vmcore_elf32_check_arch mips_elf_check_machine +#define vmcore_elf64_check_arch mips_elf_check_machine + struct mips_abi; extern struct mips_abi mips_abi; diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h index 9cbf383..f06f97b 100644 --- a/arch/mips/include/asm/fpu.h +++ b/arch/mips/include/asm/fpu.h @@ -179,6 +179,10 @@ static inline void lose_fpu_inatomic(int save, struct task_struct *tsk) if (save) _save_fp(tsk); __disable_fpu(); + } else { + /* FPU should not have been left enabled with no owner */ + WARN(read_c0_status() & ST0_CU1, + "Orphaned FPU left enabled"); } KSTK_STATUS(tsk) &= ~ST0_CU1; clear_tsk_thread_flag(tsk, TIF_USEDFPU); diff --git a/arch/mips/include/asm/octeon/octeon-feature.h b/arch/mips/include/asm/octeon/octeon-feature.h index 8ebd3f57..3ed10a8 100644 --- a/arch/mips/include/asm/octeon/octeon-feature.h +++ b/arch/mips/include/asm/octeon/octeon-feature.h @@ -128,7 +128,8 @@ static inline int octeon_has_feature(enum octeon_feature feature) case OCTEON_FEATURE_PCIE: return OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX) - || OCTEON_IS_MODEL(OCTEON_CN6XXX); + || OCTEON_IS_MODEL(OCTEON_CN6XXX) + || OCTEON_IS_MODEL(OCTEON_CN7XXX); case OCTEON_FEATURE_SRIO: return OCTEON_IS_MODEL(OCTEON_CN63XX) diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h index 3f832c3..041153f 100644 --- a/arch/mips/include/asm/processor.h +++ b/arch/mips/include/asm/processor.h @@ -45,7 +45,7 @@ extern unsigned int vced_count, vcei_count; * User space process size: 2GB. This is hardcoded into a few places, * so don't change it unless you know what you are doing. */ -#define TASK_SIZE 0x7fff8000UL +#define TASK_SIZE 0x80000000UL #endif #define STACK_TOP_MAX TASK_SIZE diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h index a71da57..eebf395 100644 --- a/arch/mips/include/asm/stackframe.h +++ b/arch/mips/include/asm/stackframe.h @@ -289,7 +289,7 @@ .set reorder .set noat mfc0 a0, CP0_STATUS - li v1, 0xff00 + li v1, ST0_CU1 | ST0_IM ori a0, STATMASK xori a0, STATMASK mtc0 a0, CP0_STATUS @@ -330,7 +330,7 @@ ori a0, STATMASK xori a0, STATMASK mtc0 a0, CP0_STATUS - li v1, 0xff00 + li v1, ST0_CU1 | ST0_FR | ST0_IM and a0, v1 LONG_L v0, PT_STATUS(sp) nor v1, $0, v1 diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h index 6499d93..47bc45a 100644 --- a/arch/mips/include/asm/syscall.h +++ b/arch/mips/include/asm/syscall.h @@ -101,10 +101,8 @@ static inline void syscall_get_arguments(struct task_struct *task, /* O32 ABI syscall() - Either 64-bit with O32 or 32-bit */ if ((config_enabled(CONFIG_32BIT) || test_tsk_thread_flag(task, TIF_32BIT_REGS)) && - (regs->regs[2] == __NR_syscall)) { + (regs->regs[2] == __NR_syscall)) i++; - n++; - } while (n--) ret |= mips_get_syscall_arg(args++, task, regs, i++); |