GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

arm64 libhelpers: Add helper functions with el argument 

Allow read/write to registers at a given el. Also, make read/write registers at
current el call this newly added function.

BUG=chrome-os-partner:30785
BRANCH=None
TEST=Compiles successfully

Change-Id: I98f35b8d3eb5e292ac895102ad91b675325c08c7
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 11d90df1fd92e03c25bfc463429a5f6a8d9d411d
Original-Change-Id: I17de4c4f3bc1ee804422efe5f4703b4dd65b51f2
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/216904
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9063
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Furquan Shaikh 2014-09-07 18:23:18 -07:00 committed by Patrick Georgi
parent 2157ba76f2
commit e1b87a1032
4 changed files with 274 additions and 65 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
src/arch/arm64/armv8/lib/pstate.c
View File

@ -171,12 +171,24 @@ void raw_write_elr_el3(uint64_t elr_el3)
uint64_t raw_read_elr_current(void)
{
SWITCH_CASE_READ(raw_read_elr,elr,uint64_t);
uint32_t el = get_current_el();
return raw_read_elr(el);
}
void raw_write_elr_current(uint64_t elr)
{
SWITCH_CASE_WRITE(raw_write_elr,elr);
uint32_t el = get_current_el();
raw_write_elr(elr, el);
}
uint64_t raw_read_elr(uint32_t el)
{
SWITCH_CASE_READ(raw_read_elr, elr, uint64_t, el);
}
void raw_write_elr(uint64_t elr, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_elr, elr, el);
}
/* FPCR */
@ -372,12 +384,24 @@ void raw_write_spsr_el3(uint32_t spsr_el3)
uint32_t raw_read_spsr_current(void)
{
SWITCH_CASE_READ(raw_read_spsr,spsr,uint32_t);
uint32_t el = get_current_el();
return raw_read_spsr(el);
}
void raw_write_spsr_current(uint32_t spsr)
{
SWITCH_CASE_WRITE(raw_write_spsr,spsr);
uint32_t el = get_current_el();
raw_write_spsr(spsr, el);
}
uint32_t raw_read_spsr(uint32_t el)
{
SWITCH_CASE_READ(raw_read_spsr, spsr, uint32_t, el);
}
void raw_write_spsr(uint32_t spsr, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_spsr, spsr, el);
}
uint32_t raw_read_spsr_fiq(void)

194
src/arch/arm64/armv8/lib/sysctrl.c
View File

@ -72,12 +72,24 @@ void raw_write_actlr_el3(uint32_t actlr_el3)
uint32_t raw_read_actlr_current(void)
{
SWITCH_CASE_READ(raw_read_actlr,actlr,uint32_t);
uint32_t el = get_current_el();
return raw_read_actlr(el);
}
void raw_write_actlr_current(uint32_t actlr)
{
SWITCH_CASE_WRITE(raw_write_actlr,actlr);
uint32_t el = get_current_el();
raw_write_actlr(actlr, el);
}
uint32_t raw_read_actlr(uint32_t el)
{
SWITCH_CASE_READ(raw_read_actlr, actlr, uint32_t, el);
}
void raw_write_actlr(uint32_t actlr, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_actlr, actlr, el);
}
/* AFSR0 */
@ -125,12 +137,24 @@ void raw_write_afsr0_el3(uint32_t afsr0_el3)
uint32_t raw_read_afsr0_current(void)
{
SWITCH_CASE_READ(raw_read_afsr0,afsr0,uint32_t);
uint32_t el = get_current_el();
return raw_read_afsr0(el);
}
void raw_write_afsr0_current(uint32_t afsr0)
{
SWITCH_CASE_WRITE(raw_write_afsr0,afsr0);
uint32_t el = get_current_el();
raw_write_afsr0(afsr0, el);
}
uint32_t raw_read_afsr0(uint32_t el)
{
SWITCH_CASE_READ(raw_read_afsr0, afsr0, uint32_t, el);
}
void raw_write_afsr0(uint32_t afsr0, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_afsr0, afsr0, el);
}
/* AFSR1 */
@ -178,12 +202,24 @@ void raw_write_afsr1_el3(uint32_t afsr1_el3)
uint32_t raw_read_afsr1_current(void)
{
SWITCH_CASE_READ(raw_read_afsr1,afsr1,uint32_t);
uint32_t el = get_current_el();
return raw_read_afsr1(el);
}
void raw_write_afsr1_current(uint32_t afsr1)
{
SWITCH_CASE_WRITE(raw_write_afsr1,afsr1);
uint32_t el = get_current_el();
raw_write_afsr1(afsr1, el);
}
uint32_t raw_read_afsr1(uint32_t el)
{
SWITCH_CASE_READ(raw_read_afsr1, afsr1, uint32_t, el);
}
void raw_write_afsr1(uint32_t afsr1, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_afsr1, afsr1, el);
}
/* AIDR */
@ -241,12 +277,24 @@ void raw_write_amair_el3(uint64_t amair_el3)
uint64_t raw_read_amair_current(void)
{
SWITCH_CASE_READ(raw_read_amair,amair,uint64_t);
uint32_t el = get_current_el();
return raw_read_amair(el);
}
void raw_write_amair_current(uint64_t amair)
{
SWITCH_CASE_WRITE(raw_write_amair,amair);
uint32_t el = get_current_el();
raw_write_amair(amair, el);
}
uint64_t raw_read_amair(uint32_t el)
{
SWITCH_CASE_READ(raw_read_amair, amair, uint64_t, el);
}
void raw_write_amair(uint64_t amair, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_amair, amair, el);
}
/* CCSIDR */
@ -383,12 +431,24 @@ void raw_write_esr_el3(uint32_t esr_el3)
uint32_t raw_read_esr_current(void)
{
SWITCH_CASE_READ(raw_read_esr,esr,uint32_t);
uint32_t el = get_current_el();
return raw_read_esr(el);
}
void raw_write_esr_current(uint32_t esr)
{
SWITCH_CASE_WRITE(raw_write_esr,esr);
uint32_t el = get_current_el();
raw_write_esr(esr, el);
}
uint32_t raw_read_esr(uint32_t el)
{
SWITCH_CASE_READ(raw_read_esr, esr, uint32_t, el);
}
void raw_write_esr(uint32_t esr, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_esr, esr, el);
}
/* FAR */
@ -436,12 +496,24 @@ void raw_write_far_el3(uint64_t far_el3)
uint64_t raw_read_far_current(void)
{
SWITCH_CASE_READ(raw_read_far,far,uint64_t);
uint32_t el = get_current_el();
return raw_read_far(el);
}
void raw_write_far_current(uint64_t far)
{
SWITCH_CASE_WRITE(raw_write_far,far);
uint32_t el = get_current_el();
raw_write_far(far, el);
}
uint64_t raw_read_far(uint32_t el)
{
SWITCH_CASE_READ(raw_read_far, far, uint64_t, el);
}
void raw_write_far(uint64_t far, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_far, far, el);
}
/* HCR */
@ -514,12 +586,24 @@ void raw_write_mair_el3(uint64_t mair_el3)
uint64_t raw_read_mair_current(void)
{
SWITCH_CASE_READ(raw_read_mair,mair,uint64_t);
uint32_t el = get_current_el();
return raw_read_mair(el);
}
void raw_write_mair_current(uint64_t mair)
{
SWITCH_CASE_WRITE(raw_write_mair,mair);
uint32_t el = get_current_el();
raw_write_mair(mair, el);
}
uint64_t raw_read_mair(uint32_t el)
{
SWITCH_CASE_READ(raw_read_mair, mair, uint64_t, el);
}
void raw_write_mair(uint64_t mair, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_mair, mair, el);
}
/* MIDR */
@ -587,12 +671,24 @@ void raw_write_rmr_el3(uint32_t rmr_el3)
uint32_t raw_read_rmr_current(void)
{
SWITCH_CASE_READ(raw_read_rmr,rmr,uint32_t);
uint32_t el = get_current_el();
return raw_read_rmr(el);
}
void raw_write_rmr_current(uint32_t rmr)
{
SWITCH_CASE_WRITE(raw_write_rmr,rmr);
uint32_t el = get_current_el();
raw_write_rmr(rmr, el);
}
uint32_t raw_read_rmr(uint32_t el)
{
SWITCH_CASE_READ(raw_read_rmr, rmr, uint32_t, el);
}
void raw_write_rmr(uint32_t rmr, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_rmr, rmr, el);
}
/* RVBAR */
@ -640,15 +736,27 @@ void raw_write_rvbar_el3(uint64_t rvbar_el3)
uint64_t raw_read_rvbar_current(void)
{
SWITCH_CASE_READ(raw_read_rvbar,rvbar,uint64_t);
uint32_t el = get_current_el();
return raw_read_rvbar(el);
}
void raw_write_rvbar_current(uint64_t rvbar)
{
SWITCH_CASE_WRITE(raw_write_rvbar,rvbar);
uint32_t el = get_current_el();
raw_write_rvbar(rvbar, el);
}
/* SCR */
uint64_t raw_read_rvbar(uint32_t el)
{
SWITCH_CASE_READ(raw_read_rvbar, rvbar, uint64_t, el);
}
void raw_write_rvbar(uint64_t rvbar, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_rvbar, rvbar, el);
}
/* Scr */
uint32_t raw_read_scr_el3(void)
{
uint32_t scr_el3;
@ -708,12 +816,24 @@ void raw_write_sctlr_el3(uint32_t sctlr_el3)
uint32_t raw_read_sctlr_current(void)
{
SWITCH_CASE_READ(raw_read_sctlr,sctlr,uint32_t);
uint32_t el = get_current_el();
return raw_read_sctlr(el);
}
void raw_write_sctlr_current(uint32_t sctlr)
{
SWITCH_CASE_WRITE(raw_write_sctlr,sctlr);
uint32_t el = get_current_el();
raw_write_sctlr(sctlr, el);
}
uint32_t raw_read_sctlr(uint32_t el)
{
SWITCH_CASE_READ(raw_read_sctlr, sctlr, uint32_t, el);
}
void raw_write_sctlr(uint32_t sctlr, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_sctlr, sctlr, el);
}
/* TCR */
@ -804,12 +924,24 @@ void raw_write_ttbr0_el3(uint64_t ttbr0_el3)
uint64_t raw_read_ttbr0_current(void)
{
SWITCH_CASE_READ(raw_read_ttbr0,ttbr0,uint64_t);
uint32_t el = get_current_el();
return raw_read_ttbr0(el);
}
void raw_write_ttbr0_current(uint64_t ttbr0)
{
SWITCH_CASE_WRITE(raw_write_ttbr0,ttbr0);
uint32_t el = get_current_el();
raw_write_ttbr0(ttbr0, el);
}
uint64_t raw_read_ttbr0(uint32_t el)
{
SWITCH_CASE_READ(raw_read_ttbr0, ttbr0, uint64_t, el);
}
void raw_write_ttbr0(uint64_t ttbr0, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_ttbr0, ttbr0, el);
}
/* TTBR1 */
@ -872,10 +1004,22 @@ void raw_write_vbar_el3(uint64_t vbar_el3)
uint64_t raw_read_vbar_current(void)
{
SWITCH_CASE_READ(raw_read_vbar,vbar,uint64_t);
uint32_t el = get_current_el();
return raw_read_vbar(el);
}
void raw_write_vbar_current(uint64_t vbar)
{
SWITCH_CASE_WRITE(raw_write_vbar,vbar);
uint32_t el = get_current_el();
raw_write_vbar(vbar, el);
}
uint64_t raw_read_vbar(uint32_t el)
{
SWITCH_CASE_READ(raw_read_vbar, vbar, uint64_t, el);
}
void raw_write_vbar(uint64_t vbar, uint32_t el)
{
SWITCH_CASE_WRITE(raw_write_vbar, vbar, el);
}

16
src/arch/arm64/armv8/lib/tlb.c
View File

@ -44,7 +44,13 @@ void tlbiall_el3(void)
void tlbiall_current(void)
{
SWITCH_CASE_TLBI(tlbiall);
uint32_t el = get_current_el();
tlbiall(el);
}
void tlbiall(uint32_t el)
{
SWITCH_CASE_TLBI(tlbiall, el);
}
/* TLBIALLIS */
@ -65,7 +71,13 @@ void tlbiallis_el3(void)
void tlbiallis_current(void)
{
SWITCH_CASE_TLBI(tlbiallis);
uint32_t el = get_current_el();
tlbiallis(el);
}
void tlbiallis(uint32_t el)
{
SWITCH_CASE_TLBI(tlbiallis, el);
}
/* TLBIVAA */

47
src/arch/arm64/include/armv8/arch/lib_helpers.h
View File

@ -123,15 +123,16 @@
#else
#include <stdint.h>
#define DAIF_DBG_BIT (1<<3)
#define DAIF_ABT_BIT (1<<2)
#define DAIF_IRQ_BIT (1<<1)
#define DAIF_FIQ_BIT (1<<0)
#define SWITCH_CASE_READ(func,var,type) do { \
#define SWITCH_CASE_READ(func, var, type, el) do { \
type var = -1; \
uint8_t current_el = get_current_el(); \
switch(current_el) { \
switch(el) { \
case EL1: \
var = func##_el1(); \
break; \
@ -145,9 +146,8 @@
return var; \
} while(0)
#define SWITCH_CASE_WRITE(func,var) do { \
uint8_t current_el = get_current_el(); \
switch(current_el) { \
#define SWITCH_CASE_WRITE(func, var, el) do { \
switch(el) { \
case EL1: \
func##_el1(var); \
break; \
@ -160,9 +160,8 @@
} \
} while(0)
#define SWITCH_CASE_TLBI(func) do { \
uint8_t current_el = get_current_el(); \
switch(current_el) { \
#define SWITCH_CASE_TLBI(func, el) do { \
switch(el) { \
case EL1: \
func##_el1(); \
break; \
@ -200,6 +199,8 @@ uint64_t raw_read_elr_el3(void);
void raw_write_elr_el3(uint64_t elr_el3);
uint64_t raw_read_elr_current(void);
void raw_write_elr_current(uint64_t elr);
uint64_t raw_read_elr(uint32_t el);
void raw_write_elr(uint64_t elr, uint32_t el);
uint32_t raw_read_fpcr(void);
void raw_write_fpcr(uint32_t fpcr);
uint32_t raw_read_fpsr(void);
@ -226,6 +227,8 @@ uint32_t raw_read_spsr_el3(void);
void raw_write_spsr_el3(uint32_t spsr_el3);
uint32_t raw_read_spsr_current(void);
void raw_write_spsr_current(uint32_t spsr);
uint32_t raw_read_spsr(uint32_t el);
void raw_write_spsr(uint32_t spsr, uint32_t el);
uint32_t raw_read_spsr_fiq(void);
void raw_write_spsr_fiq(uint32_t spsr_fiq);
uint32_t raw_read_spsr_irq(void);
@ -242,6 +245,8 @@ uint32_t raw_read_actlr_el3(void);
void raw_write_actlr_el3(uint32_t actlr_el3);
uint32_t raw_read_actlr_current(void);
void raw_write_actlr_current(uint32_t actlr);
uint32_t raw_read_actlr(uint32_t el);
void raw_write_actlr(uint32_t actlr, uint32_t el);
uint32_t raw_read_afsr0_el1(void);
void raw_write_afsr0_el1(uint32_t afsr0_el1);
uint32_t raw_read_afsr0_el2(void);
@ -250,6 +255,8 @@ uint32_t raw_read_afsr0_el3(void);
void raw_write_afsr0_el3(uint32_t afsr0_el3);
uint32_t raw_read_afsr0_current(void);
void raw_write_afsr0_current(uint32_t afsr0);
uint32_t raw_read_afsr0(uint32_t el);
void raw_write_afsr0(uint32_t afsr0, uint32_t el);
uint32_t raw_read_afsr1_el1(void);
void raw_write_afsr1_el1(uint32_t afsr1_el1);
uint32_t raw_read_afsr1_el2(void);
@ -258,6 +265,8 @@ uint32_t raw_read_afsr1_el3(void);
void raw_write_afsr1_el3(uint32_t afsr1_el3);
uint32_t raw_read_afsr1_current(void);
void raw_write_afsr1_current(uint32_t afsr1);
uint32_t raw_read_afsr1(uint32_t el);
void raw_write_afsr1(uint32_t afsr1, uint32_t el);
uint32_t raw_read_aidr_el1(void);
uint64_t raw_read_amair_el1(void);
void raw_write_amair_el1(uint64_t amair_el1);
@ -267,6 +276,8 @@ uint64_t raw_read_amair_el3(void);
void raw_write_amair_el3(uint64_t amair_el3);
uint64_t raw_read_amair_current(void);
void raw_write_amair_current(uint64_t amair);
uint64_t raw_read_amair(uint32_t el);
void raw_write_amair(uint64_t amair, uint32_t el);
uint32_t raw_read_ccsidr_el1(void);
uint32_t raw_read_clidr_el1(void);
uint32_t raw_read_cpacr_el1(void);
@ -288,6 +299,8 @@ uint32_t raw_read_esr_el3(void);
void raw_write_esr_el3(uint32_t esr_el3);
uint32_t raw_read_esr_current(void);
void raw_write_esr_current(uint32_t esr);
uint32_t raw_read_esr(uint32_t el);
void raw_write_esr(uint32_t esr, uint32_t el);
uint64_t raw_read_far_el1(void);
void raw_write_far_el1(uint64_t far_el1);
uint64_t raw_read_far_el2(void);
@ -296,6 +309,8 @@ uint64_t raw_read_far_el3(void);
void raw_write_far_el3(uint64_t far_el3);
uint64_t raw_read_far_current(void);
void raw_write_far_current(uint64_t far);
uint64_t raw_read_far(uint32_t el);
void raw_write_far(uint64_t far, uint32_t el);
uint64_t raw_read_hcr_el2(void);
void raw_write_hcr_el2(uint64_t hcr_el2);
uint64_t raw_read_aa64pfr0_el1(void);
@ -307,6 +322,8 @@ uint64_t raw_read_mair_el3(void);
void raw_write_mair_el3(uint64_t mair_el3);
uint64_t raw_read_mair_current(void);
void raw_write_mair_current(uint64_t mair);
uint64_t raw_read_mair(uint32_t el);
void raw_write_mair(uint64_t mair, uint32_t el);
uint32_t raw_read_midr_el1(void);
uint64_t raw_read_mpidr_el1(void);
uint32_t raw_read_rmr_el1(void);
@ -317,6 +334,8 @@ uint32_t raw_read_rmr_el3(void);
void raw_write_rmr_el3(uint32_t rmr_el3);
uint32_t raw_read_rmr_current(void);
void raw_write_rmr_current(uint32_t rmr);
uint32_t raw_read_rmr(uint32_t el);
void raw_write_rmr(uint32_t rmr, uint32_t el);
uint64_t raw_read_rvbar_el1(void);
void raw_write_rvbar_el1(uint64_t rvbar_el1);
uint64_t raw_read_rvbar_el2(void);
@ -325,6 +344,8 @@ uint64_t raw_read_rvbar_el3(void);
void raw_write_rvbar_el3(uint64_t rvbar_el3);
uint64_t raw_read_rvbar_current(void);
void raw_write_rvbar_current(uint64_t rvbar);
uint64_t raw_read_rvbar(uint32_t el);
void raw_write_rvbar(uint64_t rvbar, uint32_t el);
uint32_t raw_read_scr_el3(void);
void raw_write_scr_el3(uint32_t scr_el3);
uint32_t raw_read_sctlr_el1(void);
@ -335,6 +356,8 @@ uint32_t raw_read_sctlr_el3(void);
void raw_write_sctlr_el3(uint32_t sctlr_el3);
uint32_t raw_read_sctlr_current(void);
void raw_write_sctlr_current(uint32_t sctlr);
uint32_t raw_read_sctlr(uint32_t el);
void raw_write_sctlr(uint32_t sctlr, uint32_t el);
uint64_t raw_read_tcr_el1(void);
void raw_write_tcr_el1(uint64_t tcr_el1);
uint32_t raw_read_tcr_el2(void);
@ -349,6 +372,8 @@ uint64_t raw_read_ttbr0_el3(void);
void raw_write_ttbr0_el3(uint64_t ttbr0_el3);
uint64_t raw_read_ttbr0_current(void);
void raw_write_ttbr0_current(uint64_t ttbr0);
uint64_t raw_read_ttbr0(uint32_t el);
void raw_write_ttbr0(uint64_t ttbr0, uint32_t el);
uint64_t raw_read_ttbr1_el1(void);
void raw_write_ttbr1_el1(uint64_t ttbr1_el1);
uint64_t raw_read_vbar_el1(void);
@ -359,6 +384,8 @@ uint64_t raw_read_vbar_el3(void);
void raw_write_vbar_el3(uint64_t vbar_el3);
uint64_t raw_read_vbar_current(void);
void raw_write_vbar_current(uint64_t vbar);
uint64_t raw_read_vbar(uint32_t el);
void raw_write_vbar(uint64_t vbar, uint32_t el);
/* Cache maintenance system instructions */
void dccisw(uint64_t cisw);
@ -378,10 +405,12 @@ void tlbiall_el1(void);
void tlbiall_el2(void);
void tlbiall_el3(void);
void tlbiall_current(void);
void tlbiall(uint32_t el);
void tlbiallis_el1(void);
void tlbiallis_el2(void);
void tlbiallis_el3(void);
void tlbiallis_current(void);
void tlbiallis(uint32_t el);
void tlbivaa_el1(uint64_t va);
#endif // __ASSEMBLY__