picorv32/firmware/start.S

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ArmAsm
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2015-06-06 08:01:37 -04:00
.section .text
.global start
.global sieve
.global stats
#define TEST(n) \
.global n; .global n ## _ret; \
jal zero,n; n ## _ret:
start:
TEST(lui)
TEST(auipc)
TEST(j)
TEST(jal)
TEST(jalr)
TEST(beq)
TEST(bne)
TEST(blt)
TEST(bge)
TEST(bltu)
TEST(bgeu)
TEST(lb)
TEST(lh)
TEST(lw)
TEST(lbu)
TEST(lhu)
TEST(sb)
TEST(sh)
TEST(sw)
TEST(addi)
TEST(slti) // also tests sltiu
TEST(xori)
TEST(ori)
TEST(andi)
TEST(slli)
TEST(srli)
TEST(srai)
TEST(add)
TEST(sub)
TEST(sll)
TEST(slt) // what is with sltu ?
TEST(xor)
TEST(srl)
TEST(sra)
TEST(or)
TEST(and)
TEST(simple)
/* set stack pointer */
lui sp,(64*1024)>>12
/* jump to sieve C code */
jal ra,sieve
/* jump to stats C code */
jal ra,stats
/* print "DONE\n" */
lui a0,0x10000000>>12
addi a1,zero,'D'
addi a2,zero,'O'
addi a3,zero,'N'
addi a4,zero,'E'
addi a5,zero,'\n'
sw a1,0(a0)
sw a2,0(a0)
sw a3,0(a0)
sw a4,0(a0)
sw a5,0(a0)
/* break */
sbreak