From 28b4c7acc4ef668488103a67341460caa862af36 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Fri, 20 Apr 2018 13:19:28 +0200 Subject: sparc: Move _CPU_Trap_slot_template The definition of _CPU_Trap_slot_template is BSP-independent. A potential para-virtualization support may use . This patch is a part of the BSP source reorganization. Update #3285. --- cpukit/score/cpu/sparc/cpu.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'cpukit/score/cpu/sparc/cpu.c') diff --git a/cpukit/score/cpu/sparc/cpu.c b/cpukit/score/cpu/sparc/cpu.c index 8916a7d988..cb94b14c71 100644 --- a/cpukit/score/cpu/sparc/cpu.c +++ b/cpukit/score/cpu/sparc/cpu.c @@ -145,6 +145,22 @@ RTEMS_STATIC_ASSERT( CPU_Interrupt_frame_alignment ); +/* + * This initializes the set of opcodes placed in each trap + * table entry. The routine which installs a handler is responsible + * for filling in the fields for the _handler address and the _vector + * trap type. + * + * The constants following this structure are masks for the fields which + * must be filled in when the handler is installed. + */ +const CPU_Trap_table_entry _CPU_Trap_slot_template = { + 0xa1480000, /* mov %psr, %l0 */ + 0x29000000, /* sethi %hi(_handler), %l4 */ + 0x81c52000, /* jmp %l4 + %lo(_handler) */ + 0xa6102000 /* mov _vector, %l3 */ +}; + /* * _CPU_Initialize * -- cgit v1.2.3