diff options
Diffstat (limited to 'c/src/lib/libcpu/powerpc/mpc6xx/exceptions/raw_exception.c')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/mpc6xx/exceptions/raw_exception.c | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc6xx/exceptions/raw_exception.c b/c/src/lib/libcpu/powerpc/mpc6xx/exceptions/raw_exception.c index 1989a9bfb0..911031de44 100644 --- a/c/src/lib/libcpu/powerpc/mpc6xx/exceptions/raw_exception.c +++ b/c/src/lib/libcpu/powerpc/mpc6xx/exceptions/raw_exception.c @@ -1,7 +1,7 @@ /* * raw_exception.c - This file contains implementation of C function to - * Instanciate 60x ppc primary exception entries. - * More detailled information can be found on motorola + * Instantiate 60x ppc primary exception entries. + * More detailed information can be found on motorola * site and more precisely in the following book : * * MPC750 @@ -33,6 +33,17 @@ static rtems_raw_except_connect_data default_raw_except_entry; static rtems_raw_except_global_settings* local_settings; void * codemove(void *, const void *, unsigned int, unsigned long); + +void* mpc60x_get_vector_addr(rtems_vector vector) +{ + extern rtems_cpu_table Cpu_table; + + if ( Cpu_table.exceptions_in_RAM ) + return ((void*) (((unsigned) vector) << 8)); + + return ((void*) (((unsigned) vector) << 8) + 0xfff00000); +} + int mpc750_vector_is_valid(rtems_vector vector) { @@ -134,13 +145,17 @@ int mpc60x_vector_is_valid(rtems_vector vector) case PPC_603: case PPC_603e: case PPC_603ev: + case PPC_8260: + /* case PPC_8240: -- same value as 8260 */ + case PPC_8245: if (!mpc603_vector_is_valid(vector)) { return 0; } break; - default: - printk("Please complete libcpu/powerpc/mpc6xx/exceptions/raw_exception.c\n"); - printk("current_ppc_cpu = %x\n", current_ppc_cpu); + default: + printk("Please complete " + "libcpu/powerpc/mpc6xx/exceptions/raw_exception.c\n" + "current_ppc_cpu = %x\n", current_ppc_cpu); return 0; } return 1; @@ -151,6 +166,8 @@ int mpc60x_set_exception (const rtems_raw_except_connect_data* except) unsigned int level; if (!mpc60x_vector_is_valid(except->exceptIndex)) { + printk("mpc60x_set_exception: vector %d is not valid\n", + except->exceptIndex); return 0; } /* @@ -160,7 +177,11 @@ int mpc60x_set_exception (const rtems_raw_except_connect_data* except) * RATIONALE : to always have the same transition by forcing the user * to get the previous handler before accepting to disconnect. */ - if (memcmp(mpc60x_get_vector_addr(except->exceptIndex), (void*)default_raw_except_entry.hdl.raw_hdl,default_raw_except_entry.hdl.raw_hdl_size)) { + + if (memcmp(mpc60x_get_vector_addr(except->exceptIndex), + (void*)default_raw_except_entry.hdl.raw_hdl, + default_raw_except_entry.hdl.raw_hdl_size)) { + printk("mpc60x_set_exception: raw vector not installed\n"); return 0; } |