Mirrors/opensbi
7
0
Fork 1
mirror of https://github.com/riscv-software-src/opensbi.git synced 2025-08-25 07:41:42 +01:00
Code Issues Packages Projects Releases Wiki Activity

include: sbi: Remove pmp_region callbacks from sbi_platform_operations

Browse Source 
The pmp_region_xyz() callbacks are not required in sbi_platform_operations
because we will be using OpenSBI domain memory regions to program the
PMP CSRs.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Anup Patel
2020-09-17 16:04:55 +05:30
committed by Anup Patel
parent dbeeacb878
commit a12d46a5e7
2 changed files with 1 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
lib/sbi/sbi_hart.c
View File

@@ -226,10 +226,8 @@ int sbi_hart_pmp_check_addr(struct sbi_scratch *scratch,
static int pmp_init(struct sbi_scratch *scratch, u32 hartid)
{
u32 i, pmp_idx = 0, pmp_count, count;
u32 pmp_idx = 0;
unsigned long fw_start, fw_size_log2;
ulong prot, addr, log2size;
const struct sbi_platform *plat = sbi_platform_ptr(scratch);
if (!sbi_hart_pmp_count(scratch))
return 0;
@@ -239,16 +237,6 @@ static int pmp_init(struct sbi_scratch *scratch, u32 hartid)
fw_start = scratch->fw_start & ~((1UL << fw_size_log2) - 1UL);
pmp_set(pmp_idx++, 0, fw_start, fw_size_log2);
/* Platform specific PMP regions */
count = sbi_platform_pmp_region_count(plat, hartid);
pmp_count = sbi_hart_pmp_count(scratch);
for (i = 0; i < count && pmp_idx < (pmp_count - 1); i++) {
if (sbi_platform_pmp_region_info(plat, hartid, i, &prot, &addr,
&log2size))
continue;
pmp_set(pmp_idx++, prot, addr, log2size);
}
/*
* Default PMP region for allowing S-mode and U-mode access to
* memory not covered by: