diff options
Diffstat (limited to 'tests/test-progs/asmtest/src/riscv/env/p/riscv_test.h')
| -rw-r--r-- | tests/test-progs/asmtest/src/riscv/env/p/riscv_test.h | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/tests/test-progs/asmtest/src/riscv/env/p/riscv_test.h b/tests/test-progs/asmtest/src/riscv/env/p/riscv_test.h new file mode 100644 index 000000000..3fbcb500c --- /dev/null +++ b/tests/test-progs/asmtest/src/riscv/env/p/riscv_test.h @@ -0,0 +1,215 @@ +// See LICENSE for license details. + +#ifndef _ENV_PHYSICAL_SINGLE_CORE_H +#define _ENV_PHYSICAL_SINGLE_CORE_H + +#include "../encoding.h" + +//----------------------------------------------------------------------- +// Begin Macro +//----------------------------------------------------------------------- + +#define RVTEST_RV64U \ + .macro init; \ + .endm + +#define RVTEST_RV64UF \ + .macro init; \ + RVTEST_FP_ENABLE; \ + .endm + +#define RVTEST_RV32U \ + .macro init; \ + .endm + +#define RVTEST_RV32UF \ + .macro init; \ + RVTEST_FP_ENABLE; \ + .endm + +#define RVTEST_RV64M \ + .macro init; \ + RVTEST_ENABLE_MACHINE; \ + .endm + +#define RVTEST_RV64S \ + .macro init; \ + RVTEST_ENABLE_SUPERVISOR; \ + .endm + +#define RVTEST_RV32M \ + .macro init; \ + RVTEST_ENABLE_MACHINE; \ + .endm + +#define RVTEST_RV32S \ + .macro init; \ + RVTEST_ENABLE_SUPERVISOR; \ + .endm + +#if __riscv_xlen == 64 +# define CHECK_XLEN li a0, 1; slli a0, a0, 31; bgez a0, 1f; RVTEST_PASS; 1: +#else +# define CHECK_XLEN li a0, 1; slli a0, a0, 31; bltz a0, 1f; RVTEST_PASS; 1: +#endif + +#define INIT_PMP \ + la t0, 1f; \ + csrw mtvec, t0; \ + li t0, -1; /* Set up a PMP to permit all accesses */ \ + csrw pmpaddr0, t0; \ + li t0, PMP_NAPOT | PMP_R | PMP_W | PMP_X; \ + csrw pmpcfg0, t0; \ + .align 2; \ +1: + +#define INIT_SATP \ + la t0, 1f; \ + csrw mtvec, t0; \ + csrwi sptbr, 0; \ + .align 2; \ +1: + +#define DELEGATE_NO_TRAPS \ + la t0, 1f; \ + csrw mtvec, t0; \ + csrwi medeleg, 0; \ + csrwi mideleg, 0; \ + csrwi mie, 0; \ + .align 2; \ +1: + +#define RVTEST_ENABLE_SUPERVISOR \ + li a0, MSTATUS_MPP & (MSTATUS_MPP >> 1); \ + csrs mstatus, a0; \ + li a0, SIP_SSIP | SIP_STIP; \ + csrs mideleg, a0; \ + +#define RVTEST_ENABLE_MACHINE \ + li a0, MSTATUS_MPP; \ + csrs mstatus, a0; \ + +#define RVTEST_FP_ENABLE \ + li a0, MSTATUS_FS & (MSTATUS_FS >> 1); \ + csrs mstatus, a0; \ + csrwi fcsr, 0 + +#define RISCV_MULTICORE_DISABLE \ + csrr a0, mhartid; \ + 1: bnez a0, 1b + +#define EXTRA_TVEC_USER +#define EXTRA_TVEC_MACHINE +#define EXTRA_INIT +#define EXTRA_INIT_TIMER + +#define INTERRUPT_HANDLER j other_exception /* No interrupts should occur */ + +#define RVTEST_CODE_BEGIN \ + .section .text.init; \ + .align 6; \ + .weak stvec_handler; \ + .weak mtvec_handler; \ + .globl _start; \ +_start: \ + /* reset vector */ \ + j reset_vector; \ + .align 2; \ +trap_vector: \ + /* test whether the test came from pass/fail */ \ + csrr t5, mcause; \ + li t6, CAUSE_USER_ECALL; \ + beq t5, t6, write_tohost; \ + li t6, CAUSE_SUPERVISOR_ECALL; \ + beq t5, t6, write_tohost; \ + li t6, CAUSE_MACHINE_ECALL; \ + beq t5, t6, write_tohost; \ + /* if an mtvec_handler is defined, jump to it */ \ + la t5, mtvec_handler; \ + beqz t5, 1f; \ + jr t5; \ + /* was it an interrupt or an exception? */ \ + 1: csrr t5, mcause; \ + bgez t5, handle_exception; \ + INTERRUPT_HANDLER; \ +handle_exception: \ + /* we don't know how to handle whatever the exception was */ \ + other_exception: \ + /* some unhandlable exception occurred */ \ + 1: ori TESTNUM, TESTNUM, 1337; \ + write_tohost: \ + sw TESTNUM, tohost, t5; \ + j write_tohost; \ +reset_vector: \ + RISCV_MULTICORE_DISABLE; \ + INIT_SATP; \ + INIT_PMP; \ + DELEGATE_NO_TRAPS; \ + li TESTNUM, 0; \ + la t0, trap_vector; \ + csrw mtvec, t0; \ + CHECK_XLEN; \ + /* if an stvec_handler is defined, delegate exceptions to it */ \ + la t0, stvec_handler; \ + beqz t0, 1f; \ + csrw stvec, t0; \ + li t0, (1 << CAUSE_LOAD_PAGE_FAULT) | \ + (1 << CAUSE_STORE_PAGE_FAULT) | \ + (1 << CAUSE_FETCH_PAGE_FAULT) | \ + (1 << CAUSE_MISALIGNED_FETCH) | \ + (1 << CAUSE_USER_ECALL) | \ + (1 << CAUSE_BREAKPOINT); \ + csrw medeleg, t0; \ + csrr t1, medeleg; \ + bne t0, t1, other_exception; \ +1: csrwi mstatus, 0; \ + init; \ + EXTRA_INIT; \ + EXTRA_INIT_TIMER; \ + la t0, 1f; \ + csrw mepc, t0; \ + csrr a0, mhartid; \ + mret; \ +1: + +//----------------------------------------------------------------------- +// End Macro +//----------------------------------------------------------------------- + +#define RVTEST_CODE_END \ + unimp + +//----------------------------------------------------------------------- +// Pass/Fail Macro +//----------------------------------------------------------------------- + +#define RVTEST_PASS \ + fence; \ + li TESTNUM, 1; \ + ecall + +#define TESTNUM gp +#define RVTEST_FAIL \ + fence; \ +1: beqz TESTNUM, 1b; \ + sll TESTNUM, TESTNUM, 1; \ + or TESTNUM, TESTNUM, 1; \ + ecall + +//----------------------------------------------------------------------- +// Data Section Macro +//----------------------------------------------------------------------- + +#define EXTRA_DATA + +#define RVTEST_DATA_BEGIN \ + EXTRA_DATA \ + .pushsection .tohost,"aw",@progbits; \ + .align 6; .global tohost; tohost: .dword 0; \ + .align 6; .global fromhost; fromhost: .dword 0; \ + .popsection; \ + .align 4; .global begin_signature; begin_signature: + +#define RVTEST_DATA_END .align 4; .global end_signature; end_signature: + +#endif |