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Developing debug test

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This commit is contained in:
David Harris 2023-02-04 08:31:47 -08:00
parent 8e9183962d
commit 1bb5599806
3 changed files with 3 additions and 5 deletions
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4
src/fpu/unpackinput.sv
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@ -56,7 +56,6 @@ module unpackinput (
assign ExpMax = &In[`FLEN-2:`NF]; // is the exponent all 1's assign ExpMax = &In[`FLEN-2:`NF]; // is the exponent all 1's
end else if (`FPSIZES == 2) begin // if there are 2 floating point formats supported end else if (`FPSIZES == 2) begin // if there are 2 floating point formats supported
//***need better names for these constants
// largest format | smaller format // largest format | smaller format
//---------------------------------- //----------------------------------
// `FLEN | `LEN1 length of floating point number // `FLEN | `LEN1 length of floating point number
@ -104,7 +103,6 @@ module unpackinput (
end else if (`FPSIZES == 3) begin // three floating point precsions supported end else if (`FPSIZES == 3) begin // three floating point precsions supported
//***need better names for these constants
// largest format | larger format | smallest format // largest format | larger format | smallest format
//--------------------------------------------------- //---------------------------------------------------
// `FLEN | `LEN1 | `LEN2 length of floating point number // `FLEN | `LEN1 | `LEN2 length of floating point number
@ -196,7 +194,7 @@ module unpackinput (
// Check NaN boxing // Check NaN boxing
always_comb always_comb
case (Fmt) case (Fmt)
2'b11: BadNaNBox = 0; 2'b11: BadNaNBox = 0;
2'b01: BadNaNBox = ~&In[`Q_LEN-1:`D_LEN]; 2'b01: BadNaNBox = ~&In[`Q_LEN-1:`D_LEN];
2'b00: BadNaNBox = ~&In[`Q_LEN-1:`S_LEN]; 2'b00: BadNaNBox = ~&In[`Q_LEN-1:`S_LEN];
2'b10: BadNaNBox = ~&In[`Q_LEN-1:`H_LEN]; 2'b10: BadNaNBox = ~&In[`Q_LEN-1:`H_LEN];

2
tests/custom/debug/Makefile
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@ -11,7 +11,7 @@ TARGET = debug
$(TARGET).objdump: $(TARGET).elf $(TARGET).objdump: $(TARGET).elf
riscv64-unknown-elf-objdump -D $(TARGET).elf > $(TARGET).objdump riscv64-unknown-elf-objdump -D $(TARGET).elf > $(TARGET).objdump
$(TARGET): $(TARGET).S Makefile $(TARGET).elf: $(TARGET).S Makefile
riscv64-unknown-elf-gcc -g -o $(TARGET).elf -march=rv64gc -mabi=lp64 -mcmodel=medany \ riscv64-unknown-elf-gcc -g -o $(TARGET).elf -march=rv64gc -mabi=lp64 -mcmodel=medany \
-nostartfiles -T../../link/link.ld $(TARGET).S -nostartfiles -T../../link/link.ld $(TARGET).S

2
tests/custom/debug/debug.S
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@ -6,7 +6,7 @@
# openhwgroup/cvw Issue #55 # openhwgroup/cvw Issue #55
li x1, 0x7ff0000000000001 li x1, 0x7ff0000000000001
fmv.w.x f4, x1 fmv.w.x f4, x1
li x1, 7ff8000000000000 li x1, 0x7ff8000000000000
fmv.w.x f9, x1 fmv.w.x f9, x1
fsgnjx.s f12,f9,f4 # expected f 0xffffffff7fc00000 fsgnjx.s f12,f9,f4 # expected f 0xffffffff7fc00000