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Implement HALTSUM0 and HALTSUM1 registers

This commit is contained in:
Luke Wren 2021-07-16 17:58:28 +01:00
parent 62822b2e1d
commit ce5152a4f4
1 changed files with 11 additions and 1 deletions
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12
hdl/debug/dm/hazard3_dm.v
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@ -97,7 +97,9 @@ localparam ADDR_DATA0 = 8'h04;
localparam ADDR_DMCONTROL = 8'h10; localparam ADDR_DMCONTROL = 8'h10;
localparam ADDR_DMSTATUS = 8'h11; localparam ADDR_DMSTATUS = 8'h11;
localparam ADDR_HARTINFO = 8'h12; localparam ADDR_HARTINFO = 8'h12;
// No halt summary registers (assume no more than 32 harts) localparam ADDR_HALTSUM1 = 8'h13;
localparam ADDR_HALTSUM0 = 8'h40;
// No HALTSUM2+ registers (we don't support >32 harts anyway)
// No array mask select registers // No array mask select registers
localparam ADDR_ABSTRACTCS = 8'h16; localparam ADDR_ABSTRACTCS = 8'h16;
localparam ADDR_COMMAND = 8'h17; localparam ADDR_COMMAND = 8'h17;
@ -501,6 +503,14 @@ always @ (*) begin
4'h1, // datasize = 1, a single data CSR (data0) is available 4'h1, // datasize = 1, a single data CSR (data0) is available
12'h7b2 // dataaddr, same location where dscratch0 would be if implemented 12'h7b2 // dataaddr, same location where dscratch0 would be if implemented
}; };
ADDR_HALTSUM0: dmi_prdata = {
{XLEN - N_HARTS{1'b0}},
hart_halted & hart_available
};
ADDR_HALTSUM1: dmi_prdata = {
{XLEN - 1{1'b0}},
|(hart_halted & hart_available)
};
ADDR_ABSTRACTCS: dmi_prdata = { ADDR_ABSTRACTCS: dmi_prdata = {
3'h0, // reserved 3'h0, // reserved
5'd2, // progbufsize = 2 5'd2, // progbufsize = 2