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lib: sbi: alloc tlb fifo by sbi_malloc

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If the system is defined from tlb_fifo_num_entries, the scratch may be
too small to hold the fifo, so it is alloc through the heap.

Signed-off-by: Xiang W <wxjstz@126.com>
Signed-off-by: Xing Xiaoguang <xiaoguang.xing@sophgo.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Xiang W 2023-09-06 21:10:04 +08:00 • committed by Anup Patel
parent cacfba32cc
commit 5bd969477f
1 changed files with 10 additions and 3 deletions
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13
lib/sbi/sbi_tlb.c
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@ -14,6 +14,7 @@
#include <sbi/sbi_error.h>
#include <sbi/sbi_fifo.h>
#include <sbi/sbi_hart.h>
#include <sbi/sbi_heap.h>
#include <sbi/sbi_ipi.h>
#include <sbi/sbi_scratch.h>
#include <sbi/sbi_tlb.h>
@ -421,8 +422,7 @@ int sbi_tlb_init(struct sbi_scratch *scratch, bool cold_boot)
sbi_scratch_free_offset(tlb_sync_off);
return SBI_ENOMEM;
}
tlb_fifo_mem_off = sbi_scratch_alloc_offset(
sbi_platform_tlb_fifo_num_entries(plat) * SBI_TLB_INFO_SIZE);
tlb_fifo_mem_off = sbi_scratch_alloc_offset(sizeof(tlb_mem));
if (!tlb_fifo_mem_off) {
sbi_scratch_free_offset(tlb_fifo_off);
sbi_scratch_free_offset(tlb_sync_off);
@ -448,7 +448,14 @@ int sbi_tlb_init(struct sbi_scratch *scratch, bool cold_boot)
tlb_sync = sbi_scratch_offset_ptr(scratch, tlb_sync_off);
tlb_q = sbi_scratch_offset_ptr(scratch, tlb_fifo_off);
tlb_mem = sbi_scratch_offset_ptr(scratch, tlb_fifo_mem_off);
tlb_mem = sbi_scratch_read_type(scratch, void *, tlb_fifo_mem_off);
if (!tlb_mem) {
tlb_mem = sbi_malloc(
sbi_platform_tlb_fifo_num_entries(plat) * SBI_TLB_INFO_SIZE);
if (!tlb_mem)
return SBI_ENOMEM;
sbi_scratch_write_type(scratch, void *, tlb_fifo_mem_off, tlb_mem);
}
ATOMIC_INIT(tlb_sync, 0);