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sim: msp430: add basic SMP cpu init

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There's no need to assert there's only 1 CPU when setting them all
up here is trivial.
This commit is contained in:
Mike Frysinger
2022-12-25 00:49:11 -05:00
parent 21a0fa89d2
commit fc9b044582
1 changed files with 15 additions and 11 deletions
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26
sim/msp430/msp430-sim.c
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@@ -116,6 +116,7 @@ sim_open (SIM_OPEN_KIND kind,
SIM_DESC sd = sim_state_alloc (kind, callback);
struct msp430_cpu_state *msp430_cpu;
char c;
int i;
/* Initialise the simulator. */
@@ -141,11 +142,6 @@ sim_open (SIM_OPEN_KIND kind,
return 0;
}
CPU_PC_FETCH (STATE_CPU (sd, 0)) = msp430_pc_fetch;
CPU_PC_STORE (STATE_CPU (sd, 0)) = msp430_pc_store;
CPU_REG_FETCH (STATE_CPU (sd, 0)) = msp430_reg_fetch;
CPU_REG_STORE (STATE_CPU (sd, 0)) = msp430_reg_store;
/* Allocate memory if none specified by user.
Note - these values match the memory regions in the libgloss/msp430/msp430[xl]-sim.ld scripts. */
if (sim_core_read_buffer (sd, STATE_CPU (sd, 0), read_map, &c, 0x2, 1) == 0)
@@ -180,13 +176,21 @@ sim_open (SIM_OPEN_KIND kind,
}
/* CPU specific initialization. */
assert (MAX_NR_PROCESSORS == 1);
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
{
SIM_CPU *cpu = STATE_CPU (sd, i);
msp430_cpu = MSP430_SIM_CPU (STATE_CPU (sd, 0));
msp430_cpu->cio_breakpoint = trace_sym_value (sd, "C$$IO$$");
msp430_cpu->cio_buffer = trace_sym_value (sd, "__CIOBUF__");
if (msp430_cpu->cio_buffer == -1)
msp430_cpu->cio_buffer = trace_sym_value (sd, "_CIOBUF_");
CPU_PC_FETCH (cpu) = msp430_pc_fetch;
CPU_PC_STORE (cpu) = msp430_pc_store;
CPU_REG_FETCH (cpu) = msp430_reg_fetch;
CPU_REG_STORE (cpu) = msp430_reg_store;
msp430_cpu = MSP430_SIM_CPU (cpu);
msp430_cpu->cio_breakpoint = trace_sym_value (sd, "C$$IO$$");
msp430_cpu->cio_buffer = trace_sym_value (sd, "__CIOBUF__");
if (msp430_cpu->cio_buffer == -1)
msp430_cpu->cio_buffer = trace_sym_value (sd, "_CIOBUF_");
}
return sd;
}