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hw/intc: Move mtimer/mtimecmp to aclint

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Historically, The mtime/mtimecmp has been part of the CPU because
they are per hart entities. However, they actually belong to aclint
which is a MMIO device.

Move them to the ACLINT device. This also emulates the real hardware
more closely.

Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Message-Id: <20220824221357.41070-2-atishp@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Atish Patra 2022-08-24 15:13:55 -07:00 • committed by Alistair Francis
parent dc9acc9ce4
commit 7cbcc538f4
6 changed files with 47 additions and 30 deletions
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2
target/riscv/cpu.h
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@ -307,7 +307,6 @@ struct CPUArchState {
/* temporary htif regs */
uint64_t mfromhost;
uint64_t mtohost;
uint64_t timecmp;
/* physical memory protection */
pmp_table_t pmp_state;
@ -362,7 +361,6 @@ struct CPUArchState {
float_status fp_status;
/* Fields from here on are preserved across CPU reset. */
QEMUTimer *timer; /* Internal timer */
hwaddr kernel_addr;
hwaddr fdt_addr;