diff options
Diffstat (limited to 'include/asm-blackfin')
| -rw-r--r-- | include/asm-blackfin/Kbuild | 2 | ||||
| -rw-r--r-- | include/asm-blackfin/bfin-global.h | 12 | ||||
| -rw-r--r-- | include/asm-blackfin/cplbinit.h | 4 | ||||
| -rw-r--r-- | include/asm-blackfin/fixed_code.h | 20 |
4 files changed, 36 insertions, 2 deletions
diff --git a/include/asm-blackfin/Kbuild b/include/asm-blackfin/Kbuild index c68e1680da0..71f8fe78325 100644 --- a/include/asm-blackfin/Kbuild +++ b/include/asm-blackfin/Kbuild @@ -1 +1,3 @@ include include/asm-generic/Kbuild.asm + +header-y += fixed_code.h diff --git a/include/asm-blackfin/bfin-global.h b/include/asm-blackfin/bfin-global.h index 57f37ccdcdf..c4d6cbbf96d 100644 --- a/include/asm-blackfin/bfin-global.h +++ b/include/asm-blackfin/bfin-global.h @@ -67,6 +67,18 @@ extern void evt14_softirq(void); extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs); extern void bfin_gpio_interrupt_setup(int irq, int irq_pfx, int type); +extern asmlinkage void finish_atomic_sections (struct pt_regs *regs); +extern char fixed_code_start; +extern char fixed_code_end; +extern int atomic_xchg32(void); +extern int atomic_cas32(void); +extern int atomic_add32(void); +extern int atomic_sub32(void); +extern int atomic_ior32(void); +extern int atomic_and32(void); +extern int atomic_xor32(void); +extern void sigreturn_stub(void); + extern void *l1_data_A_sram_alloc(size_t); extern void *l1_data_B_sram_alloc(size_t); extern void *l1_inst_sram_alloc(size_t); diff --git a/include/asm-blackfin/cplbinit.h b/include/asm-blackfin/cplbinit.h index 3bad2d1e6a8..e14ea397cdb 100644 --- a/include/asm-blackfin/cplbinit.h +++ b/include/asm-blackfin/cplbinit.h @@ -101,8 +101,8 @@ struct s_cplb { static struct cplb_desc cplb_data[] = { { .start = 0, - .end = SIZE_4K, - .psize = SIZE_4K, + .end = SIZE_1K, + .psize = SIZE_1K, .attr = INITIAL_T | SWITCH_T | I_CPLB | D_CPLB, .i_conf = SDRAM_OOPS, .d_conf = SDRAM_OOPS, diff --git a/include/asm-blackfin/fixed_code.h b/include/asm-blackfin/fixed_code.h new file mode 100644 index 00000000000..e6df84ee155 --- /dev/null +++ b/include/asm-blackfin/fixed_code.h @@ -0,0 +1,20 @@ +/* This file defines the fixed addresses where userspace programs can find + atomic code sequences. */ + +#define FIXED_CODE_START 0x400 + +#define SIGRETURN_STUB 0x400 + +#define ATOMIC_SEQS_START 0x410 + +#define ATOMIC_XCHG32 0x410 +#define ATOMIC_CAS32 0x420 +#define ATOMIC_ADD32 0x430 +#define ATOMIC_SUB32 0x440 +#define ATOMIC_IOR32 0x450 +#define ATOMIC_AND32 0x460 +#define ATOMIC_XOR32 0x470 + +#define ATOMIC_SEQS_END 0x480 + +#define FIXED_CODE_END 0x480 |