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lib: utils/sys: Extend HTIF library to allow custom base address

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Some of RISC-V emulators provide HTIF at fixed base address so for
such emulators users have to hard-code HTIF base address in the
linker script.

To address this problem, we let users optionally provide fixed HTIF
base address via platform support (or device tree).

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Dong Du <Dd_nirvana@sjtu.edu.cn>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
This commit is contained in:
Anup Patel
2022-01-06 09:16:55 +05:30
committed by Anup Patel
parent 5b9960379f
commit 6dde43584f
4 changed files with 103 additions and 14 deletions
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8
include/sbi_utils/sys/htif.h
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@@ -10,8 +10,12 @@
#include <sbi/sbi_types.h>
int htif_serial_init(void);
int htif_serial_init(bool custom_addr,
unsigned long custom_fromhost_addr,
unsigned long custom_tohost_addr);
int htif_system_reset_init(void);
int htif_system_reset_init(bool custom_addr,
unsigned long custom_fromhost_addr,
unsigned long custom_tohost_addr);
#endif