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Syntactic fixes, before rebase master

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This commit is contained in:
Florian Zaruba 2017-07-18 18:34:36 +02:00
parent 5fb1eea532
commit 84e83e32c5
2 changed files with 20 additions and 14 deletions
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15
include/ariane_pkg.sv
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@ -306,18 +306,7 @@ package ariane_pkg;
// Debug Unit
// ----------------------
typedef struct packed {
logic halt; // core is halted
logic sste; // single step enable
logic ssth; // single step hit
logic sleep; // core is sleeping
logic [63:0] ie; // enable interrupt/exception
logic [63:0] cause; // cause of encountered exception or interrupt
logic [63:0] npc; // next PC
logic [63:0] ppc; // previous PC
} debug_reg_t;
typedef enmu logic [14:0] {
typedef enum logic [14:0] {
DBG_CTRL = 15'h0,
DBG_HIT = 15'h4,
DBG_IE = 15'h8,
@ -338,6 +327,8 @@ package ariane_pkg;
DBG_BPDATA6 = 15'h74,
DBG_BPCTRL7 = 15'h78,
DBG_BPDATA7 = 15'h7C,
DBG_GPR = 15'h4xx,
DBG_CSR = 15'h5xx,
DBG_NPC = 15'h2000,
DBG_PPC = 15'h2004
} debug_reg_t;

19
src/debug_unit.sv
View file

@ -98,14 +98,22 @@ module debug_unit (
// we can immediately grant the request
debug_gnt_o = 1'b1;
// decode debug address
case (debug_addr_i)
casex (debug_addr_i)
DBG_CTRL: rdata_n = {32'b0, 15'b0, (CS == HALTED), 15'b0, (CS == SINGLE_STEP)};
DBG_HIT: rdata_n = {63'b0, sshit};
DBG_HIT: rdata_n = {64'b0};
DBG_IE: rdata_n = dbg_ie_q;
DBG_CAUSE: rdata_n = dbg_cause_q;
DBG_NPC: rdata_n = commit_instr_i.pc;
DBG_PPC: rdata_n = ppc_q;
DBG_GPR: begin
end
DBG_CSR: begin
end
endcase
// ----------
// Write
// ----------
@ -121,9 +129,16 @@ module debug_unit (
// enable/disable single step
ss_req = debug_wdata_i[0];
ss_resume_req = ~debug_wdata_i[0];
end
DBG_HIT:
DBG_IE: dbg_ie_n = debug_wdata_i;
DBG_CAUSE: dbg_cause_n = debug_wdata_i;
DBG_GPR: begin
end
DBG_CSR: begin
end
endcase
end