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lib: sbi_ecall: Remove mcause, scratch and hartid parameters

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We remove mcause, scratch and hartid parameters from various
functions for ecall handling because we can always get current
HART id and current scratch pointer using just one CSR access.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Anup Patel
2020-03-19 21:55:12 +05:30
committed by Anup Patel
parent fe37d7da29
commit 7487116b41
9 changed files with 33 additions and 39 deletions
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5
lib/sbi/sbi_ecall_legacy.c
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@@ -15,6 +15,7 @@
#include <sbi/sbi_error.h>
#include <sbi/sbi_hsm.h>
#include <sbi/sbi_ipi.h>
#include <sbi/sbi_scratch.h>
#include <sbi/sbi_system.h>
#include <sbi/sbi_timer.h>
#include <sbi/sbi_tlb.h>
@@ -39,14 +40,14 @@ static int sbi_load_hart_mask_unpriv(ulong *pmask, ulong *hmask,
return 0;
}
static int sbi_ecall_legacy_handler(struct sbi_scratch *scratch,
unsigned long extid, unsigned long funcid,
static int sbi_ecall_legacy_handler(unsigned long extid, unsigned long funcid,
unsigned long *args, unsigned long *out_val,
struct sbi_trap_info *out_trap)
{
int ret = 0;
struct sbi_tlb_info tlb_info;
u32 source_hart = current_hartid();
struct sbi_scratch *scratch = sbi_scratch_thishart_ptr();
ulong hmask = 0;
switch (extid) {