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riscv: sifive_u: Update PLIC hart topology configuration string

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With heterogeneous harts config, the PLIC hart topology configuration
string are "M,MS,.." because of the monitor hart #0.

Suggested-by: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This commit is contained in:
Bin Meng 2019-09-06 09:20:07 -07:00 committed by Palmer Dabbelt
parent ecdfe393b6
commit ef965ce239
No known key found for this signature in database
GPG key ID: EF4CA1502CCBAB41
1 changed files with 4 additions and 3 deletions
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7
hw/riscv/sifive_u.c
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@ -424,10 +424,11 @@ static void riscv_sifive_u_soc_realize(DeviceState *dev, Error **errp)
plic_hart_config = g_malloc0(plic_hart_config_len);
for (i = 0; i < ms->smp.cpus; i++) {
if (i != 0) {
strncat(plic_hart_config, ",", plic_hart_config_len);
strncat(plic_hart_config, "," SIFIVE_U_PLIC_HART_CONFIG,
plic_hart_config_len);
} else {
strncat(plic_hart_config, "M", plic_hart_config_len);
}
strncat(plic_hart_config, SIFIVE_U_PLIC_HART_CONFIG,
plic_hart_config_len);
plic_hart_config_len -= (strlen(SIFIVE_U_PLIC_HART_CONFIG) + 1);
}