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Another bugfix regarding compressed ISA and unaligned insns

This commit is contained in:
Clifford Wolf 2016-11-18 15:36:59 +01:00
parent bc47b91260
commit f82af97595
1 changed files with 2 additions and 2 deletions
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picorv32.v
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@ -316,7 +316,7 @@ module picorv32 #(
assign mem_la_write = resetn && !mem_state && mem_do_wdata; assign mem_la_write = resetn && !mem_state && mem_do_wdata;
assign mem_la_read = resetn && ((!mem_la_use_prefetched_high_word && !mem_state && (mem_do_rinst || mem_do_prefetch || mem_do_rdata)) || assign mem_la_read = resetn && ((!mem_la_use_prefetched_high_word && !mem_state && (mem_do_rinst || mem_do_prefetch || mem_do_rdata)) ||
(COMPRESSED_ISA && mem_xfer && mem_la_firstword && !mem_la_secondword && &mem_rdata_latched[1:0])); (COMPRESSED_ISA && mem_xfer && (!last_mem_valid ? mem_la_firstword : mem_la_firstword_reg) && !mem_la_secondword && &mem_rdata_latched[1:0]));
assign mem_la_addr = (mem_do_prefetch || mem_do_rinst) ? {next_pc[31:2] + mem_la_firstword_xfer, 2'b00} : {reg_op1[31:2], 2'b00}; assign mem_la_addr = (mem_do_prefetch || mem_do_rinst) ? {next_pc[31:2] + mem_la_firstword_xfer, 2'b00} : {reg_op1[31:2], 2'b00};
assign mem_rdata_latched_noshuffle = (mem_xfer || LATCHED_MEM_RDATA) ? mem_rdata : mem_rdata_q; assign mem_rdata_latched_noshuffle = (mem_xfer || LATCHED_MEM_RDATA) ? mem_rdata : mem_rdata_q;
@ -536,7 +536,7 @@ module picorv32 #(
`assert(mem_valid == !mem_la_use_prefetched_high_word); `assert(mem_valid == !mem_la_use_prefetched_high_word);
`assert(mem_instr == (mem_do_prefetch || mem_do_rinst)); `assert(mem_instr == (mem_do_prefetch || mem_do_rinst));
if (mem_xfer) begin if (mem_xfer) begin
if (COMPRESSED_ISA && mem_la_read && (!last_mem_valid ? mem_la_firstword : mem_la_firstword_reg)) begin if (COMPRESSED_ISA && mem_la_read) begin
mem_valid <= 1; mem_valid <= 1;
mem_la_secondword <= 1; mem_la_secondword <= 1;
if (!mem_la_use_prefetched_high_word) if (!mem_la_use_prefetched_high_word)