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rebase master update

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This commit is contained in:
Blaise Tine
2021-07-30 21:03:14 -07:00
parent 79fd92a1b4
commit bb1ceffadd
86 changed files with 6111 additions and 132 deletions
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44
hw/rtl/VX_csr_data.v
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@@ -12,7 +12,11 @@ module VX_csr_data #(
`endif
VX_cmt_to_csr_if cmt_to_csr_if,
VX_fpu_to_csr_if fpu_to_csr_if,
VX_fpu_to_csr_if fpu_to_csr_if,
`ifdef EXT_TEX_ENABLE
VX_tex_csr_if tex_csr_if,
`endif
input wire read_enable,
input wire[`CSR_ADDR_BITS-1:0] read_addr,
@@ -22,7 +26,7 @@ module VX_csr_data #(
input wire write_enable,
input wire[`CSR_ADDR_BITS-1:0] write_addr,
input wire[`NW_BITS-1:0] write_wid,
input wire[`CSR_WIDTH-1:0] write_data,
input wire[31:0] write_data,
input wire busy
);
@@ -57,26 +61,33 @@ module VX_csr_data #(
`CSR_FRM: fcsr[write_wid][`FRM_BITS+`FFG_BITS-1:`FFG_BITS] <= write_data[`FRM_BITS-1:0];
`CSR_FCSR: fcsr[write_wid] <= write_data[`FFG_BITS+`FRM_BITS-1:0];
`CSR_SATP: csr_satp <= write_data;
`CSR_MSTATUS: csr_mstatus <= write_data;
`CSR_MEDELEG: csr_medeleg <= write_data;
`CSR_MIDELEG: csr_mideleg <= write_data;
`CSR_MIE: csr_mie <= write_data;
`CSR_MTVEC: csr_mtvec <= write_data;
`CSR_MEPC: csr_mepc <= write_data;
`CSR_PMPCFG0: csr_pmpcfg[0] <= write_data;
`CSR_PMPADDR0: csr_pmpaddr[0] <= write_data;
`CSR_SATP: csr_satp <= write_data[`CSR_WIDTH-1:0];
`CSR_MSTATUS: csr_mstatus <= write_data[`CSR_WIDTH-1:0];
`CSR_MEDELEG: csr_medeleg <= write_data[`CSR_WIDTH-1:0];
`CSR_MIDELEG: csr_mideleg <= write_data[`CSR_WIDTH-1:0];
`CSR_MIE: csr_mie <= write_data[`CSR_WIDTH-1:0];
`CSR_MTVEC: csr_mtvec <= write_data[`CSR_WIDTH-1:0];
`CSR_MEPC: csr_mepc <= write_data[`CSR_WIDTH-1:0];
`CSR_PMPCFG0: csr_pmpcfg[0] <= write_data[`CSR_WIDTH-1:0];
`CSR_PMPADDR0: csr_pmpaddr[0] <= write_data[`CSR_WIDTH-1:0];
default: begin
assert(~write_enable) else $error("%t: invalid CSR write address: %0h", $time, write_addr);
assert (write_addr >= `CSR_TEX_BEGIN(0) && write_addr < `CSR_TEX_BEGIN(`CSR_TEX_STATES))
else $error("%t: invalid CSR write address: %0h", $time, write_addr);
end
endcase
end
end
`UNUSED_VAR (write_data)
// TEX CSRs
`ifdef EXT_TEX_ENABLE
assign tex_csr_if.write_enable = write_enable;
assign tex_csr_if.write_addr = write_addr;
assign tex_csr_if.write_data = write_data;
`endif
always @(posedge clk) begin
if (reset) begin
csr_cycle <= 0;
@@ -201,7 +212,8 @@ module VX_csr_data #(
default: begin
if (!((read_addr >= `CSR_MPM_BASE && read_addr < (`CSR_MPM_BASE + 32))
| (read_addr >= `CSR_MPM_BASE_H && read_addr < (`CSR_MPM_BASE_H + 32)))) begin
|| (read_addr >= `CSR_MPM_BASE_H && read_addr < (`CSR_MPM_BASE_H + 32)
|| (read_addr >= `CSR_TEX_BEGIN(0) && read_addr < `CSR_TEX_BEGIN(`CSR_TEX_STATES))))) begin
read_addr_valid_r = 0;
end
end