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lib: sbi: Replace sbi_hart_pmp_xyz() and sbi_hart_map/unmap_addr()

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The sbi_hart_pmp_xyz() and sbi_hart_map/unmap_addr() functions can
now be replaced by various sbi_hart_protection_xyz() functions.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20251209135235.423391-5-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Anup Patel
2025-12-09 19:22:34 +05:30
committed by Anup Patel
parent b6da690ffb
commit 42139bb9b7
9 changed files with 58 additions and 83 deletions
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8
include/sbi/sbi_hart.h
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@@ -117,8 +117,8 @@ enum sbi_hart_csrs {
* When shared memory access is required, the physical address
* should be programmed into the first PMP entry with R/W
* permissions to the M-mode. Once the work is done, it should be
* unmapped. sbi_hart_map_saddr/sbi_hart_unmap_saddr function
* pair should be used to map/unmap the shared memory.
* unmapped. sbi_hart_protection_map_range/sbi_hart_protection_unmap_range
* function pair should be used to map/unmap the shared memory.
*/
#define SBI_SMEPMP_RESV_ENTRY 0
@@ -149,10 +149,6 @@ unsigned int sbi_hart_pmp_log2gran(struct sbi_scratch *scratch);
unsigned int sbi_hart_pmp_addrbits(struct sbi_scratch *scratch);
unsigned int sbi_hart_mhpm_bits(struct sbi_scratch *scratch);
bool sbi_hart_smepmp_is_fw_region(unsigned int pmp_idx);
int sbi_hart_pmp_configure(struct sbi_scratch *scratch);
void sbi_hart_pmp_unconfigure(struct sbi_scratch *scratch);
int sbi_hart_map_saddr(unsigned long base, unsigned long size);
int sbi_hart_unmap_saddr(void);
int sbi_hart_priv_version(struct sbi_scratch *scratch);
void sbi_hart_get_priv_version_str(struct sbi_scratch *scratch,
char *version_str, int nvstr);