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sys/riscv/riscv/exception.S
| Show First 20 Lines • Show All 219 Lines • ▼ Show 20 Lines | ENTRY(cpu_exception_handler_supervisor) | ||||
| mv a0, sp | mv a0, sp | ||||
| call _C_LABEL(do_trap_supervisor) | call _C_LABEL(do_trap_supervisor) | ||||
| load_registers 1 | load_registers 1 | ||||
| sret | sret | ||||
| END(cpu_exception_handler_supervisor) | END(cpu_exception_handler_supervisor) | ||||
| ENTRY(cpu_exception_handler_user) | ENTRY(cpu_exception_handler_user) | ||||
| save_registers 0 | save_registers 0 | ||||
| mv a0, sp | |||||
| call _C_LABEL(do_trap_user) | call _C_LABEL(do_trap_user) | ||||
| do_ast | do_ast | ||||
| load_registers 0 | load_registers 0 | ||||
| csrrw sp, sscratch, sp | csrrw sp, sscratch, sp | ||||
| sret | sret | ||||
| END(cpu_exception_handler_user) | END(cpu_exception_handler_user) | ||||